Abstract
The Consultative Committee for Space Data Systems (CCSDS) file delivery protocol, also known as CFDP, is a new standard protocol designed to meet a comprehensive set of file transfer requirements in space communications, especially for deep space missions. However, the performance of CFDP in cislunar space has not yet been evaluated, although the protocol has been particularly developed for deep space communications. In this work, we discuss an experimental investigation of the core file-delivery operation of unreliable CFDP in cislunar space communications. Presented is an experimental performance evaluation of unreliable CFDP operating with reliable transmission control protocol (TCP) and reliable CDFP operating with UDP over the simulated cislunar communication link with intermittent link connectivity.
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