CCSDS File Delivery Protocol (CFDP) is a file transfer protocol for use in

space Space is a three-dimensional continuum containing positions and directions. In classical physics, physical space is often conceived in three linear dimensions. Modern physicists usually consider it, with time, to be part of a boundless ...

, e.g. between Earth and spacecraft in Earth orbit or between Earth and spacecraft on interplanetary missions. The protocol is defined by CCSDS active recommended standard 727.0-B-5. It is also available as

ISO The International Organization for Standardization (ISO ; ; ) is an independent, non-governmental, international standard development organization composed of representatives from the national standards organizations of member countries. Me ...

standard 17355:2007.

References

Network file transfer protocols {{compu-network-stub