8.72 MBMS Flow Identifier
29.2743GPP3GPP Evolved Packet System (EPS)Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C)Release 18Stage 3TS
The MBMS Flow Identifier is defined in 3GPP TS 23.246 [37]. In broadcast mode, the MBMS Flow Identifier information element is included in MBMS Session Management messages to differentiate the different sub-sessions of an MBMS user service (identified by the TMGI) providing location-dependent content. The payload shall be encoded as per the MBMS‑Flow-Identifier AVP defined in 3GPP TS 29.061 [38], excluding the AVP Header fields (as defined in IETF RFC 3588 [39], clause 4.1).
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Bits |
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Octets |
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
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1 |
Type = 141 (decimal) |
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2 to 3 |
Length = n |
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4 |
Spare |
Instance |
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5 to 6 |
MBMS Flow Identifer |
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7 to (n+4) |
These octet(s) is/are present only if explicitly specified |
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Figure 8.72-1: MBMS Flow Identifier