This Report provides information to assist implementers in understanding the details of the protocol and in the selection of appropriate options, and contains suggestions and recommendations about implementation-specific subjects. This Report also contains implementation reports from various member Agencies, reports on testing of the implementations and protocol, and the requirements upon which the CFDP is based.

This document issue was superseded by CCSDS 720.2-G-4, CCSDS File Delivery Protocol (CFDP)—Part 2: Implementers Guide (Green Book, Issue 4), released May 2021.