Open AccessJoint Architecture Standard (JAS) Reliable Data Delivery Protocol (RDDP) specification.
Author(s) -
Justin Wayne Enderle,
James Daniels,
M. Gardner,
John Eldridge,
Richard D. Hunt,
Daniel Gallegos
Publication year - 2011
Language(s) - English
Resource type - Reports
DOI - 10.2172/1018467
Subject(s) - protocol (science) , computer science , network packet , geostationary orbit , data link , host (biology) , architecture , satellite , computer network , engineering , biology , aerospace engineering , medicine , art , ecology , alternative medicine , pathology , visual arts
The Joint Architecture Standard (JAS) program at Sandia National Laboratories requires the use of a reliable data delivery protocol over SpaceWire. The National Aeronautics and Space Administration at the Goddard Spaceflight Center in Greenbelt, Maryland, developed and specified a reliable protocol for its Geostationary Operational Environment Satellite known as GOES-R Reliable Data Delivery Protocol (GRDDP). The JAS program implemented and tested GRDDP and then suggested a number of modifications to the original specification to meet its program specific requirements. This document details the full RDDP specification as modified for JAS. The JAS Reliable Data Delivery Protocol uses the lower-level SpaceWire data link layer to provide reliable packet delivery services to one or more higher-level host application processes. This document specifies the functional requirements for JRDDP but does not specify the interfaces to the lower- or higher-level processes, which may be implementation-dependent
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