| Connection-oriented |
yes |
yes |
no |
| Full duplex |
yes |
yes |
yes |
| Reliable data transfer |
yes |
yes |
no |
| Partial-reliable data transfer |
optional |
no |
no |
| Ordered data delivery |
yes |
yes |
no |
| Unordered data delivery |
yes |
no |
yes |
| Flow control |
yes |
yes |
no |
| Congestion control |
yes |
yes |
no |
| ECN capable |
yes |
yes |
no |
| Selective ACKs |
yes |
optional |
no |
| Preservation of message boundaries |
yes |
no |
yes |
| Path MTU discovery |
yes |
yes |
no |
| Application PDU fragmentation |
yes |
yes |
no |
| Application PDU bundling |
yes |
yes |
no |
| Multistreaming |
yes |
no |
no |
| Multihoming |
yes |
no |
no |
| Protection against SYN flooding attacks |
yes |
no |
n/a |
| Allows half-closed connections |
no |
yes |
n/a |
| Reachability check |
yes |
yes |
no |
| Psuedo-header for checksum |
no (uses vtags) |
yes |
yes |
| Time wait state |
for vtags |
for 4-tuple |
n/a |
