8.2.154 MPTCP Control Information
29.2443GPPInterface between the Control Plane and the User Plane nodesRelease 17TS
The MPTCP Control Information IE shall provide details of the required MPTCP functionality. It shall be encoded as shown in Figure 8.2.154-1.
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Bits |
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Octets |
8 |
7 |
6 |
5 |
4 |
3 |
2 |
1 |
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1 to 2 |
Type = 222 (decimal) |
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3 to 4 |
Length = n |
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5 |
Spare |
TCI |
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m to (n+4) |
These octet(s) is/are present only if explicitly specified |
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Figure 8.2.154-1: MPTCP Control Information
The following flags are coded within Octet 5:
– Bit 1 – TCI (Transport Converter Indication): If this bit is set to "1", it indicates that the required MPTCP steering functionality is of type Transport Converter (see IETF RFC 8803 [60]) and the UPF shall allocate relevant resource as specified in clause 5.20.2.1.
– Bit 2 to 8 Spare, for future use and set to "0".