| M3UA, MTP3-User Adaptation |
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Description | Glossary | RFCs | Publications | Obsolete RFCs |
| Protocol suite: | TCP/IP. |
| Protocol type: | Application layer protocol. |
| Ports: | 2905 (SCTP, TCP). |
| MIME subtype: | |
| SNMP MIBs: | |
| Working groups: | sigtran, Signaling Transport. |
| Links: |
| MAC header | IP header | SCTP | TCP header | M3UA header | Data ::: |
M3UA header:
| 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Version | 0 | Class | Type | ||||||||||||||||||||||||||||
| Length | |||||||||||||||||||||||||||||||
| Data ::: | |||||||||||||||||||||||||||||||
Version.
8 bits.
Version number of this protocol.
Class.
8 bits.
Message class.
| Class | Description |
|---|---|
| 0 | MGMT, Management message. |
| 1 | Transfer message. |
| 2 | SSNM, SS7 Signalling Network Management message. |
| 3 | ASPSM, ASP State Maintenance message. |
| 4 | ASPTM, ASP Traffic Maintenance message. |
| 5 - 8 | reserved for Other Sigtran Adaptation Layers. |
| 9 | RKM, Routing Key Management message. |
| 10 - 127 | reserved. |
| 128 - 255 | reserved for IETF-Defined Message Class extensions. |
Type.
8 bits.
Message type.
Length.
32 bits, unsigned integer.
The length of the message in bytes, including the header.
The length MUST include parameter padding bytes, if any.
A receiver SHOULD accept the message whether or not the final parameter padding is included in the message length.
Data. Variable length.
RFCs:
[RFC 3332] Signaling System 7 (SS7) Message Transfer Part 3 (MTP3) - User Adaptation Layer (M3UA).
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Description | Glossary | RFCs | Publications | Obsolete RFCs |