[ofa-general] minutes from socket over RDMA discussion at workshop

Tue May 1 21:48:26 PDT 2007

No, this is not right.  SDP has better latency and better throughput
than IPoIB CM, but also uses more CPU.

Scott Weitzenkamp
SQA and Release Manager
Server Virtualization Business Unit
Cisco Systems

________________________________

	From: general-bounces at lists.openfabrics.org
[mailto:general-bounces at lists.openfabrics.org] On Behalf Of Kanevsky,
Arkady
	Sent: Tuesday, May 01, 2007 9:39 PM
	To: openib-general
	Subject: [ofa-general] minutes from socket over RDMA discussion
at workshop

	Dear,
	group enclosed is the discussion we had at Sonoma workshop.

	Here are rough minutes.

	We had not tried submission SDP to kernel.org.
	The current SDP performance is not very good.
	IPOIB connection mode has much better bandwidth.
	But SDP has better latency and less overhead.
	IPOIB connection mode scalability was not stressed yet.

	What are API requirements?
	Socket over RDMA sounds like RDS for financial services.

	Thanks,

	Arkady Kanevsky                       email: arkady at netapp.com

	Network Appliance Inc.               phone: 781-768-5395

	1601 Trapelo Rd. - Suite 16.        Fax: 781-895-1195

	Waltham, MA 02451                   central phone: 781-768-5300

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