SCTP is in the Tree :-)

[Vlad Galu]

On 11/8/06, Ivan Voras <ivoras at fer.hr> wrote:
> Randall Stewart wrote:
>
> > Stream Control Transmission Protocol (SCTP) - is a reliable message
> > oriented transport protocol which provides network fault tolerance
> > It supports multiple streams and multihoming. A very good overview
> > of the protocol is given in RFC 3268.
>
> Looks cool :)
>
> It's under IP so it's routable, but I imagine it probably needs routers
> along the way to know about it in order to use the more advanced features?
>

   SCTP is also transported in IP datagrams. The only difference
between it and TCP, for instance, is that it allows you to establish
multiple full-duplex streams between the participating peers so that,
in case of retransmissions or reordering, the connection is not
blocked waiting for the packets. The implementation is also
message-based rather than packet based, thus moving most of the logic
that the programmer has to implement for TCP software in the kernel.
UNP has a fairly nice chapter on SCTP.

   One very nice use case for SCTP is emulating the lower layers of
the SS7 stack due to its very reliable nature. But I've a feeling that
having it deployed on a large scale basis would  allow developing of
some very nice p2p protocols.

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