Messages in this thread |  | | Subject | Re: storage over IP (was Re: [PLEASE-TESTME] Zerocopy networking patch, | Date | Wed, 10 Jan 2001 03:05:45 +0000 (GMT) | From | Alan Cox <> |
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> fixed length headers). i've never investigated the actual protocols > though so maybe the solution used was to just push a lot of the detail > down into the controllers.
The stuff I have access to (MPT fusion) pushes the FC handling down onto the board. Basically you talk scsi and IP to it (See drivers/message/fusion in -ac)
> <http://www.ietf.org/internet-drafts/draft-ietf-ips-fcovertcpip-01.txt> > show that both use TCP/IP. TCP/IP has variable length headers (or am i on > crack?), which totally complicates the receive path.
TCP has variable length headers. It also prevents you re-ordering commands in the stream which would be beneficial. I've not checked if the draft uses multiple TCP streams but then you have scaling questions.
Alan
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