31024 frame loss flag the frame loss flag is an

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Unformatted text preview: d, the flag shall be derived by examining the Master Channel Frame Count in the Transfer Frames. 3.10.3 MCF SERVICE PRIMITIVES 3.10.3.1 General The service primitives associated with the MCF Service are: CCSDS 132.0-B-1 Page 3-24 September 2003 CCSDS RECOMMENDATION FOR TM SPACE DATA LINK PROTOCOL a) MCF.request; b) MCF.indication. 3.10.3.2 MCF.request 3.10.3.2.1 Function At the sending end, the MCF Service user shall pass an MCF.request primitive to the service provider to request that a Frame be transferred to the user at the receiving end through the specified Master Channel. NOTE – The MCF.request primitive is the service request primitive for the MCF Service. 3.10.3.2.2 Semantics The MCF.request primitive shall provide parameters as follows: MCF.request (Frame, MCID) 3.10.3.2.3 When Generated The MCF.request primitive shall be passed to the service provider to request it to send the Frame. 3.10.3.2.4 Effect On Receipt Receipt of the MCF.request primitive shall cause the service provider to transfer the Frame. 3.10.3.2.5 Additional Comments The MCF.request primitive shall be used to transfer Transfer Frames of a Master Channel across the space link. 3.10.3.3 MCF.indication 3.10.3.3.1 Function At the sending end, the service provided shall pass an MCF.indication to the MCF Service user at the receiving end to deliver a Frame. NOTE – The MCF.indication primitive is the service indication primitive for the MCF Service. CCSDS 132.0-B-1 Page 3-25 September 2003 CCSDS RECOMMENDATION FOR TM SPACE DATA LINK PROTOCOL 3.10.3.3.2 Semantics The MCF.indication primitive shall provide parameters as follows: MCF.indication (Frame, MCID, Frame Loss Flag (optional)) 3.10.3.3.3 When Generated The MCF.indication primitive shall be passed from the service provider to the MCF Service user at the receiving end to deliver a Frame. 3.10.3.3.4 Effect On Receipt The effect of receipt of the MCF.indication primitive by the MCF Service user is undefined. 3.10.3.3.5 Additional Comments The MCF.indication pri...
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This document was uploaded on 03/06/2014.

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