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From: Or Gerlitz <ogerlitz-smomgflXvOZWk0Htik3J/w@public.gmane.org>
To: Amir Vadai <amirv-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
Cc: Eli Cohen <eli-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>,
	RDMA list <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Eldad Zinger <eldadz-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
Subject: Re: [PATCHv10 0/11] IBoE support to Infiniband
Date: Sun, 10 Oct 2010 10:44:52 +0200	[thread overview]
Message-ID: <4CB17D04.1080509@voltaire.com> (raw)
In-Reply-To: <4CB16892.5070708-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>

Amir Vadai wrote:
> It is from the days that SDP over RoCE wasn't stable. In addition, when customers had a very long delay before TCP connection established, in the following scenario:
>    1. in libsdp.conf, setting mode to 'both' (Try SDP and fallback to TCP)
>    2. application tries to open socket to a remote peer connected using 10G ethernet
>    3. Remote host don't support RoCE.
> It took few seconds till the CMA gave up trying to connect, and SDP connection failed, and TCP connection was established.
>   
thanks for the clarification re remote host not supporting IBoE, anyway, 
I don't see if/what this has to do with sdp stability, its just a delay 
on the connection establishment and you say the default is to be changed 
to off for this param.

Or.
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  parent reply	other threads:[~2010-10-10  8:44 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-26 14:16 [PATCHv10 0/11] IBoE support to Infiniband Eli Cohen
2010-08-26 19:16 ` Christoph Lameter
2010-10-07 13:57 ` Or Gerlitz
     [not found]   ` <4CADD1C1.90700-hKgKHo2Ms0FWk0Htik3J/w@public.gmane.org>
2010-10-10  7:17     ` Amir Vadai
     [not found]       ` <4CB16892.5070708-VPRAkNaXOzVS1MOuV/RT9w@public.gmane.org>
2010-10-10  8:44         ` Or Gerlitz [this message]
     [not found]           ` <4CB17D04.1080509-smomgflXvOZWk0Htik3J/w@public.gmane.org>
2010-10-10  9:14             ` Amir Vadai

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