CCSDS 734.2-R-1, CCSDS Bundle Protocol Specification (Red ...

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DRAFT CCSDS RECOMMENDED STANDARD FOR CCSDS BUNDLE PROTOCOL SPECIFICATIONCONTENTS (continued)SectionPageANNEX A CONVERGENCE LAYER ADAPTERS (NORMATIVE) ...................... A-1ANNEX B EXTENDED CLASS OF SERVICE EXTENSIONSPECIFICATION (NORMATIVE) .............................................................B-1ANNEX C BP MANAGED INFORMATION (NORMATIVE) ................................. C-1ANNEX D PROTOCOL IMPLEMENTATION CONFORMANCESTATEMENT PROFORMA (NORMATIVE) .......................................... D-1ANNEX E SECURITY, SANA, AND PATENT CONSIDERATIONS(INFORMATIVE) ..........................................................................................E-1ANNEX F INFORMATIVE REFERENCES (INFORMATIVE) ............................... F-1ANNEX G ABBREVIATIONS AND ACRONYMS (INFORMATIVE) ................... G-1Figure1-1 Graphical Representation of a Bundle Node ................................................................ 1-32-1 The Bundling Protocols Sit at or above the Link Layer ............................................... 2-1Table3-1 CCSDS BP CBHE Node Number Registry .................................................................. 3-23-2 Initial CCSDS BP CBHE Service Number Registry .................................................... 3-4C-1 Bundle State Information ..............................................................................................C-2C-2 Error and Reporting Information ..................................................................................C-3C-3 Registration Information ...............................................................................................C-5C-4 CLA Information ..........................................................................................................C-7D-1 PICS Notation .............................................................................................................. D-2D-2 PICS Conditional Status Notation ............................................................................... D-2D-3 Symbols for PICS ‘Protocol Feature’ Column ............................................................ D-3D-4 Symbols for PICS ‘Support’ Column .......................................................................... D-3CCSDS 734.2-R-1 Page viii February 2012
DRAFT CCSDS RECOMMENDED STANDARD FOR CCSDS BUNDLE PROTOCOL SPECIFICATION1 INTRODUCTION1.1 PURPOSEThis document defines a Recommended Standard for the CCSDS Bundle Protocol, based onthe Bundle Protocol of RFC 5050 (reference [1]), and which defines end-to-end protocol,block formats, and abstract service descriptions for the exchange of messages (bundles) thatsupport Delay Tolerant Networking (DTN). BP provides network-layer service toapplications allowing them to utilize BP’s capabilities.– custody-based retransmission;– ability to cope with intermittent connectivity;– ability to take advantage of scheduled, predicted, and opportunistic connectivity (inaddition to continuous connectivity);– notional data accountability with built-in status reporting.1.2 SCOPEThis Recommended Standard is designed to be applicable to any kind of space mission orinfrastructure that is communication-resource poor and is subject to long latencies and/ortemporary network partitions, regardless of complexity. It is intended that this RecommendedStandard become a uniform standard among all CCSDS Agencies. In addition, thisspecification exists to utilize the underlying service of various internetworking protocolsboth onboard and in transit between ground and space-based assets.This Recommended Standard is intended to be applied to all systems that claim conformanceto the CCSDS Bundle Protocol. It is agnostic to the choice of underlying transmissionprotocol in that BP can function over AOS, Space Packet, Proximity-1 Space Link Protocol,and various Internet (IP) and ground based protocols.The CCSDS believes it is important to document the rationale underlying therecommendations chosen, so that future evaluations of proposed changes or improvementswill not lose sight of previous decisions. The concept and rationale for the use of a bundleprotocol in space links may be found in reference [F1].1.3 ORGANIZATION OF THIS RECOMMENDED STANDARDThis Recommended Standard is organized as follows:– Section 2 contains an overview of the Bundle Protocol and the references from whichit is derived.– Section 3 contains the CCSDS modification to RFC 5050.– Section 4 contains the service descriptions.CCSDS 734.2-R-1 Page 1-1 February 2012
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