| UDP | TCP | DCCP | SCTP | |
|---|---|---|---|---|
| Packet header size | 8 Bytes | 20 Bytes | Varies | 12 Bytes + Variable Chunk Header |
| Transport layer packet entity | Datagram | Segment | Datagram | Datagram |
| Port numbering | Yes | Yes | Yes | Yes |
| Error detection | Optional | Yes | Yes | Yes |
| Reliability: Error recovery by automatic repeat request (ARQ) | No | Yes | No | Yes |
| Virtual circuits: Sequence numbering and reordering | No | Yes | Yes | Optional |
| Flow control | No | Yes | Yes | Yes |
| Congestion avoidance: Variable congestion window, slow start, time outs | No | Yes | Yes | Yes |
| Multiple streams | No | No | No | Yes |
Thursday, January 10, 2008
Transport Protocol comparison table
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