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File	232x0b4e1c1.pdf
Document Number	CCSDS 232.0-B-4
Document Title	TC Space Data Link Protocol
Issue Number	4
Published Date	October 2021
Description	The Recommended Standard for TC Space Data Link Protocol specifies the protocol, services, and procedures pertaining to the CCSDS Version-1 Asynchronous Transfer Frame. The current update adds corrections and clarifications. The current version of this document contains all updates through technical corrigendum 1, dated October 2023.
Book Type	Blue Book
Area	SLS
Working Group	SLS-SLP

CCSDS Associates Benefits and Limitations

Would be invited to submit comments in the form of Review Item Discrepancy (RID) sheets on any documents distributed for Agency review. These RIDs would be submitted through the sponsoring agency and, if approved by that agency, become part of the Agency’s RID set; the CCSDS Secretariat would not accept RIDs directly from an Associate.

Would be invited to submit proposals for new areas of standards development that they perceive are needed. These proposals would be submitted though their sponsoring agency.

Would be invited to participate in periodic CCSDS/Industry Symposia at which tutorials on CCSDS topics would be presented and announcements/demonstrations of CCSDS-compatible products given.

Would be entitled to send representatives to CCSDS Area and Working Group Meetings as a part of their sponsoring agency’s delegation (provided sponsoring agency concurs).

Would NOT have a direct input into the consensus process for approving CCSDS Green and Blue Books; however, Associates can have a significant influence by either their work during the Recommendation development process or by persuading a Management Council member to their point of view.

NOTE: There is no charge to the CCSDS Associates for the services they receive.

Space Informatics Domain

The Space Informatics Domain is the web of applications, distributed across the spacecraft and their ground support systems, that are used to fly missions (mission planning, navigation, mission control, scientific data processing, etc.). Typically, the Informatics domain is concerned primarily with the semantic interpretation of information rather than how it is physically moved from place to place. The Informatics domain is the rough “space analog” of the diverse and complex set of applications that form the terrestrial World Wide Web (cf. Space Telematics Domain).

Space Systems Domain

The Space Systems Domain encompasses the high level functions that cut across both of the Space Telematics and Space Informatics Domains, e.g., the global architecture of how space mission information systems are constructed and how information is represented, and cross-cutting issues such as security.

Space Telematics Domain

The Space Telematics Domain consists of the communications protocols by which the applications of the Space Informatics Domain exchange information. It is assumed that nearly all ground communications are commercially based, with more specialized protocols being employed when crossing into space regions. Typically, the Telematics domain is concerned primarily with how data units are moved from place to place rather than how they are converted into user information within the applications. The Telematics domain is the “space analog” of the communications networks by which the Web applications exchange information over the terrestrial Internet.

Customer Relations

The Customer Relations function acts as a source of advice and guidance to customers concerning architectural, procedural, and (where appropriate) policy matters pertaining to international space mission cross support and its enabling technologies. It focuses on two-way information exchange, explaining existing CCSDS capabilities to potential customers and sponsors and gathering requirements from them for expanding the suite of CCSDS standards to meet their needs. Customer inputs that are gathered via this function are translated into a proposed work item and often cause a BOF to be initiated. The BOF develops the work proposal and resource estimates so that customer deliverables can be negotiated and resources can be lined up to support the necessary development. Throughout the development process, this function provides the formal interface between the developer and the customer, so that customer satisfaction can be both measured and assured.

Space Mission Support Infrastructure Providers

Design, operate, and maintain the worldwide tracking, data acquisition, mission control, data processing, and data archiving networks that are exposed to Space Mission organizations for the purposes of cross support.

CCSDS Stakeholders

Primary stakeholders in the work of CCSDS are:

“Space Mission” organizations that directly execute scientific and applications space missions or “Space Mission Support Infrastructure Provider” organizations that design, operate, and maintain the worldwide tracking, data acquisition, mission control, data processing, and data archiving networks that are exposed to Space Mission organizations for the purposes of cross support;
“Space Data User” organizations representing the utilization community who consume the information generated by the Space Mission.

CCSDS Red Book

A Red Book (RB) is a draft of a CCSDS technical Recommendation. It describes the technical consensus within a panel and may incorporate unofficial Agency comments received at the “working level.” A Red-Book status indicates that the CCSDS believes that the document is technically mature and ready for extensive and formal review by appropriate technical organizations within each Member Agency. Official Member Agency comments about, or approval of, the RB is sought. Several iterations of an RB may occur in response to iterations in the Agency review process.

CCSDS White Book

A White Book (WB) is a preliminary draft of a planned CCSDS Recommendation or Report. All such documents under development are given a white cover to indicate their preliminary status. White Books are generated in response to concept papers or New Work Item (NWI) proposals. CCSDS White Books are preliminary documents and as such are not necessarily endorsed by any CCSDS Member or Observer Agency or given any CCSDS-external distribution.

CCSDS Concept Papers

CCSDS Concept Papers are working documents of the Consultative Committee for Space Data Systems (CCSDS), its Areas, and its Working Groups. Note that other groups may also distribute working documents as CCSDS Concept Papers.

CCSDS Concept Papers have no official status and are simply the vehicle by which technical suggestions are made visible to the CCSDS. They are not an archival document series and these documents should not be cited or quoted in any formal document. Unrevised documents placed in the CCSDS Concept Papers directories have a maximum life of nine months. After that time, they must be updated, or they will be deleted. If a document progresses to a CCSDS Proposed Standard, it will be replaced in the CCSDS Concept Papers Directories with an announcement to that effect.

CCSDS Administrative Track

This Track includes all CCSDS administrative documents such as CCSDS charters, procedures and meeting minutes. They are given the designation of “CCSDS Record” (Yellow Book). Only the approval of the organizational unit that produces the document (BOF, WG, AD, CESG, CMC) is required prior to approving its publication. The CCSDS Secretariat will log the item and issue document numbers as necessary.

Non Standards Track

Not every specification is on the Standards Track. A specification may not be intended to be a CCSDS Recommended Standard or BCP, or it may be intended for eventual standardization but may not yet be ready to enter the Standards Track because a hard requirement does not currently exist for its use by the mission or mission support infrastructure communities. Alternatively an in-use specification may have been superseded by a more recent CCSDS Standard, or may have otherwise fallen into disuse or disfavor and needs to be retired. The CESG decides which work items should be on the Non-Standards Track and the CMC must approve those recommendations prior to their initiation. Specifications that are on the Non-Standards Track are labeled with one of three “off-track” levels and documents bearing these labels are not CCSDS standards in any sense

Experimental;
Informational;
Historic

CCSDS Standards Track

Standards Track documents are those that are intended to directly influence and enhance the international installed base of CCSDS-compatible space mission support infrastructure. Generally, they are developed in response to a direct mission or operational need (a “hard requirement”) that has been identified via the CMC Customer Interface function and approved by a customer group (such as the IOAG). In order to enter the Standards Track, the WG charter must demonstrate to an AD that the work has broad support across the CCSDS community – normally by showing that multiple Agencies or other organizations are willing to participate in the development.

Standards Track specifications normally must not depend on other Standards Track specifications that are at a lower maturity level, or on non-Standards Track specifications other than referenced specifications from other standards bodies. The CESG makes recommendations for which work items should enter the Standards Track when chartering a WG and the CMC must approve those recommendations prior to the initiation of work.

SANA Steering Group (SSG)

The SANA Steering Group (SSG) is appointed by the CMC to provide the SANA operator with technical and programmatic guidance related to ongoing operational and policy matters. The Membership of the SANA Steering Group is determined and approved by the CMC.

The SSG is delegated responsibility for oversight of SANA operations, validation and confirmation of SANA operations, and acts as the first level of appeal for issues. In the event of issues with registries, policies, or practices, CCSDS working group members or the SANA operator may ask the SSG for guidance. SANA issues to be resolved by the SSG should be sent to ssg@sanaregistry.org.

POINTS OF CONTACT

Chair: Peter Shames
NASA/Jet Propulsion Laboratory
M/S: 301-265
4800 Oak Grove Drive
Pasadena, CA 91109-8099
USA

Telephone: +1 818 354 5740
FAX: +1 818 393 1333
E-mail: Peter.M.Shames@jpl.nasa.gov
Bio: Click Here

MAILING LIST
ssg@mailman.ccsds.org

Space Assigned Numbers Authority (SANA)

The CMC approves the organization that will act as the SANA. Its public interface is focused through web-based services provided by the Secretariat. The SANA is the CCSDS operational core registrar for the CMC’s activities. The day-to-day operation of the SANA is conducted by the SANA Operator as defined in the SANA Procedures Yellow Book, CCSDS 313.0-Y-0.3. Technical oversight of the activities of the SANA Operator are delegated to the SANA Steering Group (SSG).

Many space mission protocols require that someone keep track of key protocol numbering assignments that were added after the protocol came out. Typical examples of the kinds of registries needed are for Spacecraft IDs, protocol version numbers, reserved APIDs and SFDU Control Authorities. The SANA provides this key configuration management service for CCSDS.

There are many different data objects that need to be globally accessible within the CCSDS in order to support mission planning and operations and the activities of CCSDS itself. A “Data Object”, within this context, is defined as any known or imagined participant in mission communications, planning, and operations or trajectory propagation, tracking, attitude determination and orbit determination.

POINTS OF CONTACT

SANA Operator: Cofomo
Main Point of Contact: Julien Bernard
128-825 Lebourgneuf
Quebec, Quebec
Canada
G2J 0B9

Telephone: +1 418 780 8718
Email: info@sanaregistry.org

CCSDS SECRETARIAT

The CCSDS Secretariat edits, formats, and publishes CCSDS Recommendations (in their various stages of maturity) and provides one definitive repository for all CCSDS documentation. The Secretariat also assists in scheduling and supporting all CCSDS meetings.

An important role of the Secretariat is to support the CMC process of formal Agency review. The vehicle for such review is the ‘Review Item Disposition’ or ‘RID’. When a document requires formal review, the Secretariat will announce the review opportunity to the CCSDS Agencies and will provide instructions that define how, when, and to whom the Agency comments (in the form of completed RIDs) are to be submitted.

The Secretariat provided a wide range of Web-based information services in support of the technical development work of CCSDS. These include archived mailing lists, document manipulation and sharing services, document libraries, electronic balloting facilities and a system to log and distribute Concept Papers that are derived early in the development process. The Secretariat shall also provide Web-based information services that cater to the two-way flow of information between CCSDS and its customers and industrial suppliers.

PUBLICATIONS
All CCSDS Approved Publications can be accessed by clicking here.

POINTS OF CONTACT

CCSDS Secretariat
Space Communications and Navigation Office, Mail Code 7X62
Space Operations Mission Directorate
NASA Headquarters
Washington, DC 20546-0001
Office: (+1) 202-358-5221
E-mail: Secretariat@mailman.ccsds.org

General Secretary: Sami Asmar
Jet Propulsion Laboratory
4800 Oak Grove Drive Mail-Stop 301-450
Pasadena, CA 91109-8099

Telephone: 818-354-6288
Email: sami.w.asmar@jpl.nasa.gov
Bio: Click Here

MAILING LIST
Secretariat@mailman.ccsds.org

SIS-UCE

The SIS-UCE Working Group is retired. If you have any questions, then please visit the SIS Area homepage for contacts.

SLS-TCC

The SLS-TCC Working Group is retired. If you have any questions, then please visit the SLS Area homepage for contacts.

OPTICAL COMMUNICATIONS WORKING GROUP (SLS-OPT)

The Optical Communications Working Group (SLS-OPT) falls under the Space Link Services (SLS) Areas of the CCSDS.

POINTS OF CONTACT

Chair: Dr. Jon Hamkins
NASA/Jet Propulsion Laboratory
4800 Oak Grove Drive
Pasadena, CA 91109-8099
USA

Telephone: NA
E-mail: Jon.Hamkins@jpl.nasa.gov

Deputy Chair: Dr. Clemens Heese
ESA/ESOC
Robert-Bosch-Str. 5, 64293 Darmstadt
Germany

Telephone: NA
E-mail: clemens.heese@esa.int

MAILING LIST
sls-opt@mailman.ccsds.org
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SPACE DATA LINK LAYER SECURITY WORKING GROUP (SLS-SEA-DLS)

The Space Data Link Layer Security Working Group (SLS-SEA-DLS) falls under the Space Link Services (SLS) Areas of the CCSDS.

The objectives of this Working Group is to develop a recommendation for a security protocol operating at the data link layer of CCSDS spacelinks. Target missions are civilian missions (science, earth observation, telecommunications, …). This security protocol should provide authentication and/or encryption both for uplink and downlink. It should be compatible with CCSDS TM, TC and AOS data link protocols and be independent from any specific cryptographic algorithm.

POINTS OF CONTACT

Chair: Bruno Saba
CNES/Centre National d’Etudes Spatiales
18, Avenue Edouard Belin
31401 Toulouse Cedex 4
France

Telephone: +33 5 61 28 28 76
E-mail: bruno.saba@cnes.fr

Deputy Chair: Howard Weiss
Parsons
7110 Samuel Morse Drive
Columbia, MD 20146

Telephone: +1.443.430.8089
FAX: +1.443.430.8238
E-mail: howard.weiss@parsons.com

MAILING LIST
sls-sea-dls@mailman.ccsds.org
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SPACE LINK PROTOCOLS WORKING GROUP (SLS-SLP)

The Space Link Protocols Working Group (SLS-SLP) falls under the Space Link Services (SLS) Areas of the CCSDS.

This WG develops and adapts wherever possible link layer protocols for new mission environments (proximity communication, formation flying, optical communication, missions utilizing high rate telemetry and telecommand.

In line with the evolutions in the CCSDS link layer protocols which occurred in the recent years, e.g. development of the Proximity-1 Space Link Protocol, it has become necessary to update and complete the Green Books related to these protocols.

POINTS OF CONTACT

Greg Kazz

Chair: Greg Kazz
NASA/Marshall Space Flight Center
Huntsville, AL
Telephone: 626.720.7583
E-mail: greg.j.kazz@nasa.gov

Deputy Chair: Matthew Cosby
Goonhilly Earth Station Ltd

Goonhilly Downs,

Helston, Cornwall, UK, TR12 6LQ.
Telephone: NA
E-mail: matt.cosby@goonhilly.org

MAILING LIST
sls-slp@mailman.ccsds.org
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DATA COMPRESSION WORKING GROUP (SLS-DC)

The Data Compression Working Group (SLS-MHDC) falls under the Space Link Services (SLS) Areas of the CCSDS.

On-board data compression is needed to make full use of limited spacecraft resources like data storage and downlink capacity. Multispectral & hyperspectral images can occupy enormous data volumes, and so compression algorithms specifically designed to exploit the three-dimensional structure of such images can provide tremendous benefit to space missions.

The Multispectral & Hyperspectral Data Compression working group has developed the CCSDS-123.0-B-1 standard, a state-of-the-art low-complexity lossless compressor.

The working group is now working on extending the CCSDS-122.0-B-1 (two-dimensional) image compressor by adding a spectral transform stage to provide multispectral and hyperspectral (three-dimensional) image compression.

POINTS OF CONTACT

Chair: Aaron Kiely
NASA/Jet Propulsion Laboratory
Mail Stop 238-420
4800 Oak Grove Drive
Pasadena, CA 91109-8099

Telephone: +18183939048
E-mail: aaron.b.kiely@jpl.nasa.gov

Deputy Chair: Lucana Santos
ESA/European Space Research and Technology Centre
Keplerlaan 1 NL-2201
AZ Noordwijk
The Netherlands

Telephone: NA
E-mail: lucana.santos@esa.int

MAILING LIST
sls-dc@mailman.ccsds.org
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Click here to view old SLS-MHDC archives

SPACE LINK CODING & SYNCHRONIZATION WORKING GROUP (SLS-C&S)

The Space Link Coding & Synchronization Working Group (SLS-C&S) falls under the Space Link Services (SLS) Areas of the CCSDS.

Agencies’ new generations of space missions require telecommand and telemetry capabilities beyond current technologies to interconnect a spacecraft with its ground support system, or with another spacecraft. These new needs are for higher data rates, better link performances, together with lower cost, mass and power and higher security.

The wide range of environment (space-Earth or space-space, near Earth congested bands and deep space link operations in extreme conditions of SNR, links dependent of atmospheric conditions in the new high frequency bands, optical links) requires coding systems with different levels of power efficiency and bandwidth efficiency, or different levels of link reliability or delivered data quality;

This work will concentrate on updating the existing set of Channel Coding Blue Books to incorporate recommended coding scheme for new bandwidth efficient codes with low complexity. The update work includes also the extraction of the coding layer out of CCSDS 211.0-B Prox-1 Protocol.

POINTS OF CONTACT

Chair: Andrea Modenini
ESA/European Space Agency
ESTEC
Keplerlaan 1
2200AZ Noordwijk
Netherlands

Telephone: +31 71 565 3439
E-mail: andrea.modenini@esa.int

Deputy Chair: Kenneth Andrews
NASA/Propulsion Laboratory
Mail stop 238-420
4800 Oak Grove Drive
Pasadena, CA 91109

Telephone: NA
E-mail: Kenneth.S.Andrews@jpl.nasa.gov

MAILING LIST
sls-cc@mailman.ccsds.org
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RF MODULATION WORKING GROUP (SLS-RFM)

The RF Modulation Working Group (SLS-RFM) falls under the Space Link Services (SLS) Areas of the CCSDS.

Agencies’ new generations of space missions require telecommand and telemetry capabilities beyond current technologies to interconnect a spacecraft with its ground support system, or with another spacecraft. These new needs are for higher data rates, better link performances, more performing ranging systems, together with lower cost, mass and power and higher security.

POINTS OF CONTACT

Chair: Dennis Lee
NASA/Jet Propulsion Laboratory
9800 Oak Grove Dr
Pasadena, CA 91109
Telephone: (818) 354-6908
E-mail: Dennis.K.Lee@jpl.nasa.gov

Deputy Chair: Gunther Sessler
ESA/European Space Agency
Robert Bosch Strasse No. 5
64293 Darmstadt
Germany
Telephone:
E-mail: Gunther.Sessler@esa.int

MAILING LIST
sls-rfm@mailman.ccsds.org
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SLS-MHDC

The SLS-MHDC Working Group is retired. If you have any questions, then please visit the SLS Area homepage for contacts.

SLS-NGU

The SLS-NGU Working Group is retired. If you have any questions, then please visit the SLS Area homepage for contacts.

MOIMS-TEL

The MOIMS-TEL Working Group is retired. If you have any questions, then please visit the MOIMS Area homepage for contacts.

NAVIGATION WORKING GROUP (MOIMS-NAV)

The Navigation Working Group (MOIMS-NAV) falls under the Mission Operations and Information Management Services (MOIMS) Areas of the CCSDS.

The Navigation Working Group provides a discipline-oriented forum for detailed discussions and development of technical flight dynamics standards.

POINTS OF CONTACT

Chair: David Berry
NASA/Jet Propulsion Laboratory
4800 Oak Grove Drive Pasadena
CA 91109 MS 301-121
USA

Telephone: +1-818-354-0764
FAX: 1-818-393-6388
E-mail:david.s.berry@jpl.nasa.gov

Deputy Chair: Frank Dreger
Space Operations Centre
Robert-Bosch-Str. 5
64293 Darmstadt – Germany

Telephone: +49 (0)6151-90-2284
Email: Frank.Dreger@esa.int

MAILING LIST
moims-nav@mailman.ccsds.org
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MISSION PLANNING AND SCHEDULING WORKING GROUP (MOIMS-MP)

The Mission Planning and Scheduling Working Group (MOIMS-MP) falls under the Mission Operations and Information Management Services (MOIMS) Areas of the CCSDS.

POINTS OF CONTACT

Chair: Peter van der Plas
ESA/ESTEC
Keplerlaan 1
2201 AZ Noordwijk
The Netherlands

Telephone: +31 71 565 5848
Fax: +31 71 565 5420
E-mail: Peter.van.der.Plas@esa.int

MAILING LIST
moims-mp@mailman.ccsds.org
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CSS-DTS

The CSS-DTS Working Group is retired. If you have any questions, then please visit the CSS Area homepage for contacts.

CLOUD DATA DELIVERY STANDARDS WORKING GROUP (CSS-CLOUD)

The Cloud Data Delivery Standards Working Group (CSS-CLOUD) falls under the Cross Support Services (CSS) Area of the CCSDS.

POINTS OF CONTACT

Chair: Holger Dreihahn
Ground Station Back-end Section (OPS-GIB)
European Space Agency ESA/ESOC
Robert-Bosch-Str. 5
D-64293 Darmstadt – Germany

Telephone: +49 6151 90 2233
E-mail: Holger.Dreihahn@esa.int

Deputy Chair: Erik Barkley
NASA/Jet Propulsion Laboratory
4800 Oak Grove Drive
Pasadena, CA 91109-8099
USA

MAILING LIST
css-cloud@mailman.ccsds.org
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SERVICE MANAGEMENT WORKING GROUP (CSS-SM)

The Service Management Working Group (CSS-SM) falls under the Cross Support Services (CSS) Area of the CCSDS

The use of Space Link Extension services require the exchange of information that will allow a space flight mission to acquire those services from SLE service providers. The current ad hoc mechanisms for arranging, scheduling, control, and monitoring of SLE services are fragile and manually intensive. Production of the currently-specified suite of SLE services is coupled to the underlying radio frequency, modulation, coding, and link characteristics. There are no current standards for arranging, scheduling, control, and monitoring of TT&C services. The potential user base for a service management standard for arranging, scheduling, control, and monitoring of SLE and TT&C services is larger than the space Agencies that constitute the CCSDS membership.

POINTS OF CONTACT

Chair: Erik Barkley
NASA/Jet Propulsion Laboratory
4800 Oak Grove Drive
Pasadena, CA 91109-8099
USA

Telephone: +1 818 393 4972
FAX: +1 818 393 5088
E-mail: Erik.Barkley@jpl.nasa.gov

Deputy Chair: Marcin Gnat
Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR)
Oberpfaffenhofen
82234 Wessling
Germany

Telephone: +49 8153 28 3201
E-Mail: Marcin.Gnat@dlr.de

MAILING LIST
smwg@mailman.ccsds.org
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TRANSFER SERVICES WORKING GROUP (CSS-CSTS)

The Transfer Services Working Group (CSS-CSTS) falls under the Cross Support Services (CSS) Area of the CCSDS.

POINTS OF CONTACT

Chair: Alexander Kalkhof
DLR
Münchener Straße 20
82234 Weßling

Telephone: +49 1525 5910396
E-mail: alexander.kalkhof@dlr.de

MAILING LIST
css-csts@mailman.ccsds.org
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SEA-IA

The SEA-IA Working Group is retired. If you have any questions, then please visit the SEA Area homepage for contacts.

SEA-XSG

The SEA-XSG Working Group is retired. If you have any questions, then please visit the SEA Area homepage for contacts.

Space Assigned Numbers Authority (SANA) Steering Group (SSG)

The SANA Steering Group (SSG) is appointed by the CMC to provide the SANA operator with technical and programmatic guidance related to ongoing operational and policy matters. The Membership of the SANA Steering Group is determined and approved by the CMC.

The SSG is delegated responsibility for oversight of SANA operations, validation and confirmation of SANA operations, and acts as the first level of appeal for issues. In the event of issues with registries, policies, or practices, CCSDS working group members or the SANA operator may ask the SSG for guidance. SANA issues to be resolved by the SSG should be sent to ssg@sanaregistry.org.

POINTS OF CONTACT

Chair: Peter Shames
NASA/Jet Propulsion Laboratory
M/S: 301-265
4800 Oak Grove Drive
Pasadena, CA 91109-8099
USA

Telephone: +1 818 354 5740
FAX: +1 818 393 1333
E-mail: Peter.M.Shames@jpl.nasa.gov
Bio: Click Here

MAILING LIST
ssg@mailman.ccsds.org

CSS-RASG

The CSS-RASG Working Group is retired. If you have any questions, then please visit the CSS Area homepage for contacts.

CSS-CSA

The CSS-CSA Working Group is retired. If you have any questions, then please visit the CSS Area homepage for contacts.

SIS-AMS

The SIS-AMS Working Group is retired. If you have any questions, then please visit the SIS Area homepage for contacts.

SIS-CIT

The SIS-CIT Working Group is retired. If you have any questions, then please visit the SIS Area homepage for contacts.

SIS-CSI

The SIS-CSI Working Group is retired. If you have any questions, then please visit the SIS Area homepage for contacts.

SIS-IPO Retired

The SIS-IPO Working Group is retired. If you have any questions, then please visit the SIS Area homepage for contacts.

CCSDS FILE DELIVERY PROTOCOL REVISIONS WORKING GROUP (SIS-CFDPV1)

The CCSDS File Delivery Protocol Revisions Working Group (SIS-CFDPV1) falls under the Space Internetworking Services (SIS) Areas of the CCSDS.

The objective of the WG is to introduce revisions to the CCSDS File Delivery Protocol (SIS-CFDPV1) that will enhance the protocol’s suitability for deployment in upcoming space flight missions. Among the proposed revisions are an increase in the limit on the size of file that may be transmitted, a mechanism for attaching metadata to each file data segment individually, and improved support for record structures in transmitted files.

POINTS OF CONTACT

Chair: Felix Flentge
ESA/European Space Agency
ESOC Robert-Bosch-Str.5
D-64293 Darmstadt, Germany

Telephone: +33 1 53 69 76 54
E-mail: felix.flentge@esa.int

Deputy Chair: Dai Stanton
5 Sherwood Road
Hampton Hill
TW12 1DF
United Kingdom

Telephone: +44 208 979 0234
FAX: +44 208 979 0234
E-mail: dstanton@keltik.co.uk

MAILING LIST
sis-cfdpv1@mailman.ccsds.org
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VOICE WORKING GROUP (SIS-VOICE)

The Voice Working Group (SIS-VOICE) falls under the Space Internetworking Services (SIS) Areas of the CCSDS.

POINTS OF CONTACT

Chair: Osvaldo Peinado
DLR/German Aerospace Center
Oberpfaffenhofen 82234
Wessling Germany

Telephone: +49 8153 28 3010
Fax: +49 8153 28 1456
E-mail: osvaldo.peinado@dlr.de

Deputy Chair: Ivan Antonov
FRSA/Russian Federal Space Agency
TsNIImash (Mission Control Centre)
Deputy IT-Division Chief

E-mail: aid@mcc.rsa.ru

MAILING LIST
sis-voice@mailman.ccsds.org
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DELAY TOLERANT NETWORKING WORKING GROUP (SIS-DTN)

Delay Tolerant Networking Working Group (SIS-DTN) falls under the Space Internetworking Services (SIS) Areas of the CCSDS.

The Delay Tolerant Networking Working Group is specifying the protocols needed to implement the Solar System Internetwork (SSI) concept. These protocols support the portion of the SIS communication domain where large delays, intermittent connectivity, and/or unidirectional communications links may be present.

The main internetworking protocol in the Solar System Internet is the Bundle Protocol (BP). BP is a message-oriented store-and-forward communication protocol with optional reliability that is suitable for use when contemporaneous end-to-end connectivity cannot be guaranteed. BP routers may store data (bundles) before forwarding them, possibly for long periods of time. This allows routers to forward data even if the outbound communication link is not available when the data arrives. The Bundle Protocol and all the supporting protocols in the SSI suite are designed for these conditions. This is in contrast to many of the protocols in the Internet Protocol (IP) suite that at least implicitly assume low delays and end-to-end connectivity. The working group is specifying a profile of the Bundle Protocol as specified in Internet RFC5050 for use by CCSDS.

BP has been demonstrated in a number of experiments both on the ground and with spacecraft, including the Deep-Space Networking Experiment (DINET), the Earth-Observing Mission-1 (EO-1) spacecraft, and various single- and multi-agency experiments on the International Space Station (ISS).

In addition to the Bundle Protocol, the working group is specifying a profile of the Licklider Transmission Protocol (LTP, RFC5326) for use in CCSDS missions, as well as network management and security protocols.

The group works with and leverages work done in the terrestrial DTN community, including the Internet Research Task Force’s DTN Research Group (http://www.dtnrg.org).

POINTS OF CONTACT

Chair: Robert Durst
MITRE Corporation
M/S H400
7515 Colshire Drive
McLean, VA 22102
USA

E-mail: durst@mitre.org

Deputy Chair: Felix Flentge
ESA/European Space Agency
ESOC Robert-Bosch-Str.5
D-64293 Darmstadt, Germany

Telephone: +33 1 53 69 76 54
E-mail: felix.flentge@esa.int

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sis-dtn@mailman.ccsds.org
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MOTION IMAGERY AND APPLICATIONS WORKING GROUP (SIS-MIA)

Motion Imagery and Applications Voice Working Group (SIS-MIVA) falls under the Space Internetworking Services (SIS) Areas of the CCSDS.

Voice communications are an enabler of mission success and mission safety, which are crucial for all kinds of space-related tasks. Moreover, video and imagery applications are necessary parts of space missions and will become even more important in future space applications and when exploring deeper into space.

POINTS OF CONTACT

Chair: Falk Schiffner
German Aerospace Center (DLR e.V.)
Space Operations & Astronaut Training | Communication & Ground Stations
Rutherfordstrasse 2 | 12489 Berlin

Telephone: NA
E-mail: falk.schiffner@dlr.de

Deputy Chair: Beth St. Peter
NASA/Marshall Space Flight Center (MSFC)
Mail Code: HP10
Huntsville, AL 35812

Telephone: NA
E-mail: elizabeth.m.stpeter@nasa.gov

MAILING LIST
sis-miva@mailman.ccsds.org
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SUBNETWORK WORKING GROUP (SOIS-SUBNET)

The Subnetork Services Working Group (SOIS-SUBNET) falls under the Spacecraft Onboard Interface Services (SOIS) Areas of the CCSDS.
The Subnetwork Services Working Group is concerned with the transfer of information onboard a spacecraft between its constituent subsystem components. In practice this involves both hardwired systems and wireless systems.
The mission of the Subnetwork Services Working Groups to serve as a CCSDS focus group for onboard network technologies. The goals of the WG are to define services and make recommendations pursuant to standardization of applicable data link protocols and related subnetwork services, ensuring inter-operability of independently developed space vehicles and spacecraft onboard networks.

POINTS OF CONTACT

Chair: Glenn Rakow
NASA/GSFC
8800 Greenbelt Rd.
Greenbelt, MD 20771 USA

Telephone: NA
E-mail: Glenn.P.Rakow@nasa.gov

Deputy Chair: Marco Rovatti
ESA/ESTEC
Keplerlaan 1 2201AZ
Noordwijk the Netherlands

Telephone: NA
E-mail: marco.rovatti@esa.int

MAILING LIST
sois-subnet@mailman.ccsds.org
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ONBOARD WIRELESS WORKING GROUP (SOIS-WIR)

The Onboard Wireless Working Group (SOIS-WIR) falls under the Spacecraft Onboard Interface Services (SOIS) Areas of the CCSDS.

The short term aims of the Onboard Wireless Working Group will be:

Identify scenarios in future missions where the use of wireless interfaces are of interest and offer advantages.
Document the experiences and best current practices in developing wireless interfaces for spacecraft.
Based on lessons learned and experience in implementing wireless interfaces (optical and RF) in past and current space projects, identify the key issues that need to be addressed when implementing wireless interfaces for future spacecraft.
Examine existing activities in the SOIS area and in CCSDS to see which of these issues are already being addressed, and which still need to be addressed.
Examine the areas that are not currently being addressed, and if necessary generate a proposal for new work items to address them.

POINTS OF CONTACT

Chair: Kevin Gifford
University of Colorado
Engineering Center, Rm. ECOT-313
Interdisciplinary Telecommunications Department
Boulder, Colorado USA 80309-0530

Telephone: +1.303.735.4536
E-mail: kevin.gifford@colorado.edu

Deputy Chair: Yuriy Sheynin
St. Petersburg State University of Aerospace Instrumentation
67, Bolshay Morskaya str.
190 000, St. Petersburg Russia

Telephone: +7 812 710 6234
Fax: +7 812 315 77 78
E-mail: sheynin@aanet.ru

MAILING LIST
sois-wir@mailman.ccsds.org
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APPLICATION SUPPORT SERVICES WORKING GROUP (SOIS-APP)

The Applications Support Services Working Group (SOIS-APP) falls under the Spacecraft Onboard Interface Services (SOIS) Areas of the CCSDS.

The Applications Support Services Working Group defines standard services that are provided to onboard software applications. These services isolate the flight software from the underlying hardware details and thereby increase the portability and reuse potential of the flight software. Furthermore, the service access points constitute cross support interfaces.

The standard services that are addressed by this working group are those that have been identified during previous CCSDS SOIF activities as being common requirements in all spacecraft missions, and providing the maximum benefit for flight software development. Furthermore, it is explicitly recognized that interoperability and cross support capabilities need to be provided throughout the project lifecycle, and particularly during application development, integration, and testing, not just during operations.

POINTS OF CONTACT

Chair: Simon Singh
NASA/Goddard Space Flight Center
8800 Greenbelt Rd
Greenbelt Maryland, 20771

Telephone: NA
E-mail: simon.singh@nasa.gov

Deputy Chair: Richard Melvin
SCISYS Clothier Road
Bristol BS4 5SS UK

Telephone: +44 7952 674 324
E-mail: richard.melvin@scisys.co.uk

MAILING LIST
sois-app@mailman.ccsds.org
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DATA ARCHIVE INTEROPERABILITY WORKING GROUP (MOIMS-DAI)

The Data Archive Interoperability Working Group (MOIMS-DAI) falls under the Mission Operations and Information Management Services (MOIMS) Areas of the CCSDS.

Agencies need to reduce the cost and increase the automation associated with acquiring and ingesting data and metadata to archives. Archives, including both mission and final, need appropriate metadata to accompany data objects to facilitate long term preservation. Currently submission requirements are usually totally ad hoc by mission, or by a given multi-mission archive or final archive. Producers of information for archives often seek guidance on how to submit such information. The OAIS reference model and the Producer-Archive Interface Methodology Abstract Standard set a context for all archives. Further, registries are of increasing importance as the holders of re-usable metadata in the exchange of information. This work will establish an extensible framework for a Submission Information Package (SIP). It will include mandatory and optional elements, with the ability to recognize categories of information and relationships.

POINTS OF CONTACT

Chair: David Giaretta
UK Space Agency/STFC
Rutherford Appleton Laboratory
Chilton, Didcot Oxon OX11 0QX UK

Telephone: +44 1235 446235
FAX: +44 1235 445848
E-mail:david@giaretta.org

Chair: John Garrett
Garrett Software
10703 Cordage Walk
Columbia, MD 21044

Telephone: +1 410 992 3545
E-mail:garrett@his.com

MAILING LIST
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SPACECRAFT MONITOR AND CONTROL WORKING GROUP (MOIMS-SM&C)

The Spacecraft Monitor and Control Working Group (MOIMS-SC) falls under the Mission Operations and Information Management Services (MOIMS) Areas of the CCSDS.

There is a general trend toward increasing mission complexity at the same time as increasing pressure to reduce the cost of mission operations, both in terms of initial deployment and recurrent expenditure. Current closed, or monolithic¹, mission operations system architectures do not allow the re-distribution of functionality between space and ground, or between nodes of the ground system. The SM&C WG is defining a service oriented architecture consisting of set of standard services, which constitutes a framework that enables many similar systems to be assembled from compliant plug-in¹ components. These components may be located anywhere, provided they are connected via a common infrastructure. This allows components to be re-used in different mission-specific deployments: between agencies, between missions, and between systems. By layering the services themselves, the service specifications can be made independent of the underlying technology and the application coding language. Specific technology adapters enable the deployment of the service framework over a given technology. This in turn makes it possible to replace the infrastructure implementation as well as component implementations. It is also possible to transparently bridge between different infrastructure implementations, where these are appropriate to different communications environments (e.g., space or ground) or simply reflect different agencies deployment choices. More info under http://en.wikipedia.org/wiki/SM&C.

POINTS OF CONTACT

Chair: Olivier Churlaud
CNES/Centre national d’études spatiales
18 avenue Edouard Belin 31401
Toulouse Cedex 9, France

Telephone: +33 (0)5 61 28 19 08
E-mail: olivier.churlaud@cnes.fr

Deputy Chair: Costin Radulescu
NASA/Jet Propulsion Laboratory
4800 Oak Grove Drive
M/S 168-300
Pasadena CA 91109-8099

Telephone: NA
E-mail: costin.radulescu@jpl.nasa.gov

MAILING LIST
moims-sc@mailman.ccsds.org
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Reproduction Permission Statement for Publications

In general, reasonable reuse of materials published in CCSDS documents is permitted with attribution, and reprint permission can be provided in writing for those organizations that require formal permission statements. Reprint requests should be submitted to secretariat@mailman.ccsds.org.

Space Internetworking Services Area (SIS)

The objective of the Space Internetworking Services (SIS) Area is to address the communications services and protocols supporting end-to-end communications among applications, particularly where those communications may span multiple heterogeneous physical and data link technologies. Areas addressed by SIS include the networking infrastructure to support application-to-application communication onboard a single spacecraft, communications among multiple spacecraft, and communications between space-based applications and their counterparts on Earth and/or other planetary bodies.
The SIS Area deals with communication services and protocols that are independent of specific link technology (as a lower layer bound) and independent of application-specific semantics (as an upper bound). Thus the SIS area covers essentially the network through application layers of the OSI reference model.

SIS protocols use the underlying communication and infrastructure services provided by the Space Link Services (SLS) and Spacecraft Onboard Interface Services (SOIS) areas and any other onboard networks, and provide the networked connectivity needed by applications developed in other CCSDS areas such as Mission Operations and Information Management Services (MOIMS) and Spacecraft Onboard Interface Services (SOIS). The SIS services provide hardware-independent mechanisms for identifying end systems, and provide communications services that allow users to disregard whether the communication is over a single data link layer or over multiple hops. The suite of capabilities developed by the SIS Area accommodates all ranges of delay, interactivity, and directionality, although not all protocols are appropriate for all environments.

The services provided by SIS protocols free applications from having to have intimate knowledge of the underlying communications protocols and mechanisms, and from having to know the physical location(s) of the entities with which they are communicating. This enables applications to focus on the application-specific protocols and interactions necessary to achieve their goals.

PUBLICATIONS
SIS Area Approved Publications can be accessed by clicking here. All CCSDS Approved Publications can be accessed by clicking here.

POINTS OF CONTACT

Area Director: Tomaso de Cola
DLR/German Aerospace Center
Institute of Communications and Navigation
Satellite Networks
Münchner Straße 20
82234 Oberpfaffenhofen-Wessling

Telephone: +49 8153 28-2156
Fax: +49 8153 28-2844
E-mail: tomaso.decola@dlr.de
Bio: Click Here

Deputy Area Director: ‘Vinny’ Ivica Ristovski
NASA/Marshal Space Flight Center
Mail Code EO50
Marshall Space Flight Center, AL 35812

Telephone: +1 256 544-3646
E-mail: ivica.ristovski@nasa.gov
Bio: Click Here

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sis@mailman.ccsds.org
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Space Link Services Area (SLS)

The Space Link services area is in charge, within CCSDS, to develop efficient space link communications systems common to all participating agencies. A space link interconnects a spacecraft with its ground support system or with another spacecraft. Agencies’ new generations of space missions require telecommand and telemetry capabilities beyond current technologies. These new needs are for higher data rates, better link performances, more performing ranging systems, together with lower cost, mass and power and higher security.

More specifically, SLS area concentrates on layers 1 & 2 (of OSI protocol stack), namely : RF & modulation, channel coding and data link layer, for both long-haul (e.g.: spacecraft to ground) and proximity links (e.g.: orbiter to lander). Two additional functions are also covered by the SLS area : data compression for end to end data transfer optimization, and ranging for accurate orbit determination.

The area is composed of specialized working group whose objective is to develop specific recommendations. One recommendation will typically cover one OSI layer or sub-layer. This layering of recommendations maximizes flexibility and interoperability with other commercial protocols (e.g. : TCP/IP).

PUBLICATIONS
SLS Area Approved Publications can be accessed by clicking here. All CCSDS Approved Publications can be accessed by clicking here.

POINTS OF CONTACT

Area Director: Dr. Clemens Heese
ESA/ESOC
Robert-Bosch-Str. 5, 64293 Darmstadt
Germany

Telephone: NA
E-mail: clemens.heese@esa.int

Deputy Area Director: Jean-Luc Issler
CNES/Centre National d’Etudes Spatiales
18, Avenue Edouard Belin
31401 Toulouse Cedex 4
France

Telephone: +33 5 61 27 36 57
E-mail: jean-luc.issler@cnes.fr

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Spacecraft Onboard Interface Services Area (SOIS)

The primary objective of the CCSDS SOIS standard development activities is to radically improve the spacecraft flight segment data systems design and development process by defining generic services that will simplify the way flight software interacts with flight hardware and permitting interoperability and reusability both for the benefit of Agencies and Industrial contractors.

PUBLICATIONS
SOIS Area Approved Publications can be accessed by clicking here. All CCSDS Approved Publications can be accessed by clicking here.

POINTS OF CONTACT

Chair: Simon Singh
NASA/GSFC
Code 582
Greenbelt Maryland, 20771
E-mail: simon.singh@nasa.gov

Deputy Area Director: Xiongwen He
CAST
Beijing Institute of Spacecraft System Engineering
China Academy of Space Technology

E-mail: hexw501@hotmail.com
Bio: Click Here

MAILING LIST
sois@mailman.ccsds.org
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Cross Support Services Area (CSS)

The Cross Support Services (CSS) Area addresses how space network resources are made available by one organization to another for the purpose of “Cross Support”. The objective of the CSS Area is therefore to define what services are required at various cross-support interface points, and how those services are exposed, scheduled and used by organizations that want to confederate their infrastructure in order to execute a mission.

PUBLICATIONS
CSS Area Approved Publications can be accessed by clicking here. All CCSDS Approved Publications can be accessed by clicking here.

POINTS OF CONTACT

Area Director: Erik Barkley
NASA/Jet Propulsion Laboratory
4800 Oak Grove Drive
Pasadena, CA 91109-8099
USA

Telephone: +1 818 393 4972
FAX: +1 818 393 5088
E-mail: Erik.Barkley@jpl.nasa.gov
Bio: Click Here

Deputy Area Director: Holger Dreihahn
Ground Station Back-end Section (OPS-GIB)
European Space Agency ESA/ESOC
Robert-Bosch-Str. 5
D-64293 Darmstadt – Germany

Telephone: +49 6151 90 2233
E-mail: Holger.Dreihahn@esa.int

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css@mailman.ccsds.org
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Mission Operations Management Area (MOIMS)

The objective of the Mission Operations and Information Management Services (MOIMS) Area is to address all of the flight execution phase applications that are required to operate the spacecraft and its ground system in response to mission objectives, and their associated detailed information management standards and processes. The focus of this Area is primarily on the “mission operations” functions that occur on a timescale driven by the flight path of the space vehicle. In many cases a dedicated community conducts these mission operations, while “mission utilization” occurs on a timescale that is convenient for users and is often conducted by a separate community. The MOIMS Area ensures that application standards exist which facilitate the smooth transition of space mission information between the “mission operations” systems and the “mission utilization” systems.

PUBLICATIONS
MOIMS Area Approved Publications can be accessed by clicking here. All CCSDS Approved Publications can be accessed by clicking here.

POINTS OF CONTACT

Area Director: Mehran Sarkarati
ESA/European Space Operations Centre
Robert-Bosch-Str. 5 64293
Darmstadt Germany

Telephone: NA
E-mail: mehran.sarkarati@esa.int

Deputy Area Director: Stefan Gärtner
DLR/German Aerospace Center
German Space Operations Center, Mission Technology
Münchener Straße 20
82234 Weßling, Germanyy

Telephone: +49 8153 28 3308
E-mail:stefan.gaertner@dlr.de
Bio: Click Here

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moims@mailman.ccsds.org
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Time Management Working Group (SEA-TIME)

The Time Management Working Group (SEA-TIME) falls under the Systems Engineering (SEA) Areas of the CCSDS.

The Time Management Working Group will concentrate on creating and maintaining standards relating to time transfer, time correlation, and time synchronization in space operations contexts. The activities will be coordinated under the Systems Engineering Area (SEA).

POINTS OF CONTACT

Chair: Sinda Mejri
ESA/ESOC
Robert-Bosch-Str. 5
64293 Darmstadt, Germany
Telephone: +496151902303
Fax: +496151902178
E-mail: Sinda.Mejri@esa.int

Deputy: Yukio Yamamoto
JAXA<NEED ADDRESS>
Telephone: <NEED PHONE>
E-mail:

MAILING LIST
sea-time@mailman.ccsds.org
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Delta-DOR Working Group (SEA-D-DOR)

The Delta-DOR Working Group (SEA-D-DOR) falls under the Systems Engineering (SEA) Areas of the CCSDS.

This working group is intended to provide a forum for developing an integrated approach for delta differential one way ranging (D-DOR) end to end services.
– Develop detailed requirements for delta differential one-way ranging (Delta-DOR) service
– Coordinate work in other WGs (SIS/Ranging, CSS/CSTS, MOIMS/Nav)
– Develop integrated vision of service and interoperability points
– Develop any over-arching documents, as needed

POINTS OF CONTACT

Chair: Javier de Vicente
ESA/ESOC
Robert-Bosch-Str. 5
64293 Darmstadt
Germany

Telephone: NA
E-mail: javier.devicente@esa.int

Deputy Chair: Christopher Volk
NASA/JPL
4800 Oak Grove Drive
Pasadena CA 91009
United States

Telephone: +16263752151
E-mail: christopher.p.volk@jpl.nasa.gov

MAILING LIST
sea-d-dor@mailman.ccsds.org
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Security Working Group (SEA-SEC)

The Security Working Group (SEA-SEC) falls under the Systems Engineering (SEA) Areas of the CCSDS.

CCSDS develops communications and mission operation standards that support inter and intra agency operations and cross support. CCSDS standards include elements of flight and ground systems that are developed and operated by different agencies and organizations.

Over the years, ubiquitous network connectivity among principal investigators and mission operations has become the norm, which makes mission operations more dangerous than in the past when operations were carried out over closed, mission-only networks. The security risks to both spacecraft and ground systems have increased to the point where CCSDS must adopt existing or develop (as necessary) Information Security standards in order to protect both flight and ground mission critical resources and protect sensitive mission information.

As a result, a mission threat statement for CCSDS should be developed in order to allow mission planners to better understand the threats that they should plan to counter via security requirements. CCSDS also requires a Security Architecture as part of its overall System Architecture. CCSDS must promote secure interoperability for space missions. CCSDS also requires Information Security standards as part of, or as an accompaniment to its communications and mission operations standards.

POINTS OF CONTACT

Chair: Howard Weiss
Parsons
7110 Samuel Morse Drive
Columbia, MD 20146
USA

Telephone: +1.443.430.8089
FAX: +1.443.430.8238
E-mail:howard.weiss@parsons.us

Deputy Chair: Marcus Wallum
ESA/ESOC
Robert-Bosch-Str. 5
D-64392
Darmstadt, Germany

E-mail:marcus.wallum@esa.int

MAILING LIST
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System Architecture Working Group (SEA-SA)

The Systems Architecture Working Group (SEA-SA) falls under the Systems Engineering (SEA) Areas of the CCSDS.

The work done in the other Working Groups is focused upon services and protocols provided by specific components of space data systems. In order for these Working Groups to generate standards in such a way that every standard is consistent and coherent with any other standard generated by CCSDS, CCSDS requires a reference architecture that can be used as a common framework by all the Working Groups of CCSDS and also by engineers in the member Agencies who use CCSDS standards to build systems and to provide services. The reference architecture should encompass both informatics and telematics aspects of space data systems and cover all problem areas associated with space data systems (such as organizational, functional, operational and cross support issues).

POINTS OF CONTACT

Chair: Shelbun Cheng
NASA/Jet Propulsion Laboratory
M/S: 301-265
4800 Oak Grove Drive
Pasadena, CA 91109-8099
USA

Telephone: +1 626 773 6743
E-mail: shelbun.k.cheng@jpl.nasa.gov

Deputy Chair: Paul Thompson

Redspace LTD

Westmead House

Westmead, Farnborough

Hampshire, England, GU14 7LP

E-mail: paul@redspace.ltd

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Systems Engineering Area (SEA)

The System Engineering Area (SEA) supports the work of the CCSDS by providing :
– Overall architecture for space mission communications, operations, and cross-support
– Coordination and collaboration with the other areas about architectural choices and options
– Supporting the CESG in evaluating consistency of all area programs of work with the defined architecture
– Creating such working groups and BoFs as are required to progress the work of CCSDS

PUBLICATIONS
SEA Area Approved Publications can be accessed by clicking here All CCSDS Approved Publications can be accessed by clicking here.

POINTS OF CONTACT

Area Director: Jim Lux
NASA/Jet Propulsion Laboratory
M/S: 161-213
4800 Oak Grove Drive
Pasadena, CA 91109-8099
USA

Telephone: +1(818)354-2075

E-mail: jimlux@jpl.nasa.gov

Deputy Area Director: Matthew Cosby
Goonhilly Earth Station Ltd

Goonhilly Downs,

Helston, Cornwall, UK, TR12 6LQ.
Telephone: NA
E-mail: matt.cosby@goonhilly.org

MAILING LIST
sea@mailman.ccsds.org
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CCSDS ENGINEERING STEERING GROUP (CESG)

The CCSDS Engineering Steering Group (CESG) provides technical management across the various CCSDS Areas and ensures top-level technical coordination of the overall international standardization process. It ensures that all developments occur in accordance with procedures, schedules, and resources that have been negotiated with the CMC. To do its job the CESG adopts and applies uniform architectural views that guide the systems protocols, policies and procedures used for international space mission cross support. The CESG is directly responsible for executing the actions associated with entry into and movement along the CCSDS standardization tracks, including making recommendations to the CMC for approval of specifications as they progress through the various stages of standardization.

PUBLICATIONS
All CCSDS Approved Publications can be accessed by clicking here.

POINTS OF CONTACT

CESG Chair: Daniel Fischer
ESA/European Space Agency
Robert-Bosch-Str.5
64392 Darmstadt

Telephone: +49 6151 90 2718
E-mail:Daniel.Fischer@esa.int
Bio: Click Here

CESG Deputy Chair: Tim Pham
NASA/Jet Propulsion Laboratory
4800 Oak Grove
Pasadena, CA 91214, USA

Telephone: NA
E-mail: timothy.t.pham@jpl.nasa.gov
Bio: Click Here

MAILING LIST
cesg@mailman.ccsds.org
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OVERVIEW - CCSDS MANAGEMENT COUNCIL (CMC)

The CCSDS Management Council (CMC) is the executive management oversight group of the organization. The CMC is populated by Principal Delegates who are independently supported by each of the Members (one per agency). The CMC is responsible for staying technically and politically informed about important long-term issues in the field of international space mission cross support and for keeping an eye on the “big picture” of the CCSDS program of work. It therefore focuses on long-range planning and coordination among the various CCSDS discipline-oriented domains, on making sure that adequate resources exist to do work, and that customer requirements are satisfied in a timely manner.

PUBLICATIONS
All CCSDS Approved Publications can be accessed by clicking here.

POINTS OF CONTACT

General Secretary: Sami Asmar
Jet Propulsion Laboratory
4800 Oak Grove Drive Mail-Stop 301-450
Pasadena, CA 91109-8099

Telephone: 818-354-6288
Email: sami.w.asmar@jpl.nasa.gov
Bio: Click Here

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cmc@mailman.ccsds.org
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