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NASA NTRS · 20080022117

Asynchronous Message Service for Deep Space Mission Operations

Burleigh, Scott C.
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Abstract

AMS is in early stages of standardization. a) CCSDS "white book" (Proposed Standard) has been published. b) A single implementation has been developed and is being tested. No major obstacles encountered so far. a) Protocol has changed since original concept paper, but not radically. b) Design concepts seem to be sound. AMS capabilities seem to be broadly applicable. a) On-board, proximity, and deep-space communications for spacecraft. b) Suitable underlying messaging protocol for proposed CCSDS Spacecraft Monitor and Control protocols. c) Terrestrial applications designed for operation over a message bus. AMS Working Group within CCSDS is on schedule, so far.

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asynchronous message exchangesThe Consultative Committee for Space Data Systems (CCSDS)

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BibTeXRIS

Burleigh, Scott C.. 2006-06-22. Asynchronous Message Service for Deep Space Mission Operations. https://ntrs.nasa.gov/citations/20080022117

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NASA NTRS2006

Asynchronous Message Service for Deep Space Mission Operations

While the CCSDS (Consultative Committee for Space Data Systems) File Delivery Protocol (CFDP) provides internationally standardized file transfer functionality that can offer significant benefits for deep space mission operations, not all spacecraft communication requirements are necessarily best met by file transfer. In particular, continuous event-driven asynchronous message exchange may also be useful for communications with, among, and aboard spacecraft. CCSDS has therefore undertaken the development of a new Asynchronous Message Service (AMS) standard, designed to provide common functionality over a wide variety of underlying transport services, ranging from shared memory message queues to CCSDS telemetry systems. The present paper discusses the design concepts of AMS, their applicability to deep space mission operations problems, and the results of preliminary performance testing obtained from exercise of a prototype implementation.

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