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1st-Jul-2007 05:52 pm
good morning sfo
This is a pretty awesome looking protocol-- sort of like a TCP/UDP frankenstein with what they call "mult-homing" and "multi-streaming" and a couple of other goodies.

Mult-homing is the ability to split SCTP connections across networks, so like you could aggregate a bunch of networks together even if they had different IPs.

Multi-streaming is multiple streams within an association, or connection.

There are places where overhead is much higher than TCP, but also places where it's much lower. It's also included in Linux 2.6. Check out the article here: http://www.ibm.com/developerworks/linux/library/l-sctp/
1st-Jul-2007 10:36 pm (UTC)
that does look awesome. their example of seamlessly switching between an 802.11 and an ethernet connection is particularly apropos.
2nd-Jul-2007 02:50 am (UTC)
sctp is great -- i've started using it in applications this year, where applicable. the linux implementation is stable; the iptables surrounding it, however, not so much. as of 2.6.21, though, things are pretty much shored up. watch out when interfacing with boxes running sctp+iptables on anything between 2.6.16 and 2.6.20 -- bugs may well be the kernel's.
2nd-Jul-2007 04:55 am (UTC)
Do you mean SCTP?
2nd-Jul-2007 06:26 am (UTC)
whoa dyslexia- yeah sctp.
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