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Unformatted text preview: be passed from the service provider to the VCF Service
user at the receiving end to deliver a Frame.
220.127.116.11.4 Effect On Receipt The effect of receipt of the VCF.indication primitive by the VCF Service user is undefined. CCSDS 132.0-B-1 Page 3-17 September 2003 CCSDS RECOMMENDATION FOR TM SPACE DATA LINK PROTOCOL 18.104.22.168.5 Additional Comments
The VCF.indication primitive shall be used to deliver Transfer Frames of a Virtual Channel
to the VCF Service user identified by the GVCID.
3.8 MASTER CHANNEL FRAME SECONDARY HEADER (MC_FSH) SERVICE 3.8.1 OVERVIEW OF MC_FSH SERVICE
The Master Channel Frame Secondary Header (MC_FSH) Service provides synchronous
transfer of fixed-length data units in the Transfer Frame Secondary Header (FSH) of Transfer
Frames of a Master Channel. The service is unidirectional and sequence-preserving. The
transfer is synchronized with the release of Transfer Frames of a Master Channel. The
service does not guarantee completeness, but it may signal gaps in the sequence of service
data units delivered to a receiving user.
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.
3.8.2 MC_FSH SERVICE PARAMETERS
22.214.171.124 General The parameters used by the MC_FSH Service primitives shall conform to the specifications
contained in subsections 126.96.36.199 through 188.8.131.52.
184.108.40.206 FSH_SDU NOTE – The FSH_SDU parameter is the service data unit transferred by the MC_FSH
Service in the Frame Secondary Header of Transfer Frames of a Master Channel.
For restrictions on the FSH_SDU transferred by the MC_FSH Service, see 3.2.4.
220.127.116.11 MCID The MCID parameter shall contain an MCID that indicates the Master Channel through
which the FSH_SDU is to be transferred.
NOTE – The MCID parameter is the SAP address of the MC_FSH Service.
18.104.22.168 FSH_SDU Loss Flag The FSH_SDU Loss Flag is an optional parameter that may be used to notify the user at the
receiving end of the MC_FSH Service...
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- Spring '14