This protocol is a data link layer protocol see

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Unformatted text preview: e Telemetry (TM) Space Data Link Protocol. This protocol is a Data Link Layer protocol (see reference [1]) to be used over space-to-ground or space-to-space communications links by space missions. 1.2 SCOPE This Recommendation defines the TM Space Data Link Protocol in terms of: a) the services provided to the users of this protocol; b) the protocol data units employed by the protocol; and c) the procedures performed by the protocol. It does not specify: a) individual implementations or products; b) the implementation of service interfaces within real systems; c) the methods or technologies required to perform the procedures; or d) the management activities required to configure and control the protocol. 1.3 APPLICABILITY This Recommendation applies to the creation of Agency standards and to future data communications over space links between CCSDS Agencies in cross-support situations. The Recommendation includes comprehensive specification of the services and protocol for interAgency cross support. It is neither a specification of, nor a design for, real systems that may be implemented for existing or future missions. The Recommendation specified in this document is to be invoked through the normal standards programs of each CCSDS Agency and is applicable to those missions for which cross support based on capabilities described in this Recommendation is anticipated. Where mandatory capabilities are clearly indicated in sections of the Recommendation, they must be implemented when this document is used as a basis for cross support. Where options are allowed or implied, implementation of these options is subject to specific bilateral cross support agreements between the Agencies involved. CCSDS 132.0-B-1 Page 1-1 September 2003 CCSDS RECOMMENDATION FOR TM SPACE DATA LINK PROTOCOL 1.4 RATIONALE The CCSDS believes it is important to document the rationale underlying the recommendations chosen, so that future evaluations of proposed changes or improvements will not lose...
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This document was uploaded on 03/06/2014.

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