network protocols - How is Multistreaming in SCTP different from opening Multiple Connections in TCP? -


how multiple streams in sctp reside in single association while in tcp have have multiple ports involved.is sctp, multistreaming involves ports in way. rfc 6525 says 65k+ streams possible seems equal number of ports possible.

the use of multiple streams not require use of multiple ports, sctp association has single port (or 1 local port , 1 remote port) may use many streams.

the intent of using multiple streams messages don't require in sequence delivery may sent on different streams , avoid unnecessary head of line blocking. if using sctp telecoms signaling messages independent telephone calls can sent on different streams. messages particular call delivered in sequence retransmission of message 1 call need not delay delivery of messages call.

the use of streams allows achieved without creation of new associations typically require considerable system resources tx , rx buffers in addition association establishment costs.

the choice of stream send message on made sctp user , communicated sctp across sctp api.


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