becker at scyld.com
Mon Mar 8 20:44:52 EST 2004
On Mon, 8 Mar 2004, Nathan Littlepage wrote:
> Has anyone looked into incorporating SCTP in the cluster environment?
What advantage would it provide for a SAN- or LAN-based cluster?
Not that TCP is especially light-weight. TCP implementations are
WAN-oriented and have increasingly costly features (look at the CPU cost
of iptables/ipchains) and defenses against spoofing (TCP stream start-up
is much more costly than the early BSD implementations). The only
reason SCTP would be a better cluster protocol is that it hasn't yet
accumulated the cruft ("features") of a typical TCP stack. But if it
became popular, that would change pretty much instantly.
Donald Becker becker at scyld.com
Scyld Computing Corporation http://www.scyld.com
914 Bay Ridge Road, Suite 220 Scyld Beowulf cluster systems
Annapolis MD 21403 410-990-9993
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