Indication ocfsdu mcid ocfsdu loss flag optional

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Unformatted text preview: e MC_OCF.indication primitive by the MC_OCF Service user is undefined. 3.9.3.3.5 Additional Comments The MC_OCF.indication primitive shall be used to deliver OCF_SDUs to the MC_OCF Service user identified by the MCID. 3.10 MASTER CHANNEL FRAME (MCF) SERVICE 3.10.1 OVERVIEW OF MCF SERVICE The Master Channel Frame (MCF) Service provides transfer of a sequence of fixed-length TM Transfer Frames of a Master Channel, created by an independent protocol entity, across a space link. The service is unidirectional, either asynchronous or periodic, and sequencepreserving. The service does not guarantee completeness, but it may signal gaps in the sequence of service data units delivered to a receiving user. CCSDS 132.0-B-1 Page 3-23 September 2003 CCSDS RECOMMENDATION FOR TM SPACE DATA LINK PROTOCOL Only one user, identified with the MCID of the Master Channel, can use this service on a Master Channel. Service data units from different users are not multiplexed together within one Master Channel. 3.10.2 MCF SERVICE PARAMETERS 3.10.2.1 General The parameters used by the MCF Service primitives shall conform to the specifications contained in subsections 3.10.2.2 through 3.10.2.4. 3.10.2.2 Frame The Frame parameter shall be a TM Transfer Frame of the Master Channel specified by the parameter MCID. NOTES 1 The Frame parameter is the service data unit transferred by the MCF Service. 2 The format of the MCID parameter is defined in 4.1. 3 For restrictions on the TM Transfer Frames transferred by the MCF Service, see 3.2.6. 3.10.2.3 MCID The MCID parameter shall contain an MCID that indicates the Master Channel through which the Frame is to be transferred. NOTE – The MCID parameter is the SAP address of the MCF Service. 3.10.2.4 Frame Loss Flag The Frame Loss Flag is an optional parameter that may be used to notify the user at the receiving end of the MCF Service that a sequence discontinuity has been detected, and that one or more Transfer Frames of the specified Master Channel have been lost. If implemente...
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This document was uploaded on 03/06/2014.

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