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<FONT face=Tahoma size=2><B>From:</B> openib-general-bounces@openib.org
[mailto:openib-general-bounces@openib.org] <B>On Behalf Of </B>Michael
Krause<BR><B>Sent:</B> Wednesday, October 12, 2005 8:24 AM<BR><B>To:</B> Hal
Rosenstock; Sean Hefty<BR><B>Cc:</B> Openib<BR><B>Subject:</B> RE:
[openib-general] [RFC] IB address translation using ARP<BR></FONT><BR></DIV>
<DIV></DIV><FONT size=3>At 07:45 AM 10/10/2005, Hal Rosenstock wrote:<BR>
<BLOCKQUOTE class=cite cite="" type="cite">On Sun, 2005-10-09 at 10:19, Sean
Hefty wrote: <BR>> >I think iWARP can be on top of TCP or SCTP. But
why wouldn't it care ?<BR>> <BR>> I'm referring to the case that iWarp
is running over TCP. I know that it can<BR>> run over SCTP, but I'm
not familiar with the details of that protocol. With<BR>> TCP, this
is an end-to-end connection, so layering iWarp over it, only the<BR>>
endpoints need to deal with it. I believe the same is true for
SCTP.<BR><BR>Yes, SCTP is similar in those regards.</FONT></BLOCKQUOTE>
<DIV><BR>SCTP creates a connection and then multiplexes a set of sessions over
it. You can conceptually think of it as akin to IB RD but where all QP
are bound to the same EEC.<BR><BR><BR><SPAN
class=159245616-12102005></SPAN></DIV></BLOCKQUOTE>
<DIV><FONT face=Arial><FONT size=2><FONT color=#0000ff><SPAN
class=159245616-12102005>SCTP preserves all QP to QP semantics, including
buffers posted to specific</SPAN></FONT></FONT></FONT></DIV>
<DIV><FONT face=Arial><FONT size=2><FONT color=#0000ff><SPAN
class=159245616-12102005>buffers and credits. So SCTP will allows multiple
in-flight messages for each</SPAN></FONT></FONT></FONT></DIV>
<DIV><FONT face=Arial><FONT size=2><FONT color=#0000ff><SPAN
class=159245616-12102005>RDMA stream in the
association.</SPAN></FONT></FONT></FONT></DIV>
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