3325 packet quality indicator 33251 the packet quality

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Unformatted text preview: or 3.3.2.5.1 The Packet Quality Indicator is an optional parameter that may be used to notify the user at the receiving end of the Packet Service whether the Packet delivered by the primitive is complete or partial. 3.3.2.5.2 This parameter shall be used when the service provider is required to deliver incomplete Packets to the user at the receiving end. CCSDS 132.0-B-1 Page 3-4 September 2003 CCSDS RECOMMENDATION FOR TM SPACE DATA LINK PROTOCOL 3.3.3 PACKET SERVICE PRIMITIVES 3.3.3.1 General The service primitives associated with the Packet Service are: a) PACKET.request; b) PACKET.indication. 3.3.3.2 PACKET.request 3.3.3.2.1 Function At the sending end, the Packet Service user shall pass a PACKET.request primitive to the service provider to request that a Packet be transferred to the user at the receiving end through the specified Virtual Channel. NOTE – The PACKET.request primitive shall be the service request primitive for the Packet Service. 3.3.3.2.2 Semantics The PACKET.request primitive shall provide parameters as follows: PACKET.request 3.3.3.2.3 (Packet, GVCID, Packet Version Number) When Generated The PACKET.request primitive shall be passed to the service provider to request it to send the Packet. 3.3.3.2.4 Effect On Receipt Receipt of the PACKET.request primitive shall cause the service provider to transfer the Packet. 3.3.3.2.5 Additional Comments The PACKET.request primitive shall be used to transfer Packets across the space link on the specified Virtual Channel. CCSDS 132.0-B-1 Page 3-5 September 2003 CCSDS RECOMMENDATION FOR TM SPACE DATA LINK PROTOCOL 3.3.3.3 PACKET.indication 3.3.3.3.1 Function At the sending end, the service provider shall pass a PACKET.indication to the Packet Service user at the receiving end to deliver a Packet. NOTE – The PACKET.indication primitive shall be the service indication primitive for the Packet Service. 3.3.3.3.2 Semantics The PACKET.indication primitive shall provide parameters as follows: PACKET.indication (Packet, GVCID, Packet Version Number, Packet...
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This document was uploaded on 03/06/2014.

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