From: Sebastian Riemer <sebastian.riemer-EIkl63zCoXaH+58JC4qpiA@public.gmane.org>
To: Alex Netes <alexne-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: Basics of congestion control?
Date: Tue, 31 Jul 2012 13:53:51 +0200 [thread overview]
Message-ID: <5017C74F.6010207@profitbricks.com> (raw)
In-Reply-To: <20120731110856.GD2077@calypso>
On 31.07.2012 13:08, Alex Netes wrote:
> Congestion control isn't a credit based mechanism. While InfiniBand flow
> control is defined between two ports of the same link, congestion control is
> working across the fabric between a congestion point (a switch) and a reaction
> point (source node). Reaction point implements a Congestion Control Table that
> contains an array of values of injection rate delay used to control
> congestion. You can find more information in the IBTA LWG Errata document
> 3Q2010.
Nice, thank you very much!
I've found the IBTA spec and the errata.
Cheers,
Sebastian
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prev parent reply other threads:[~2012-07-31 11:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-31 9:37 Basics of congestion control? Sebastian Riemer
[not found] ` <5017A740.4020205-EIkl63zCoXaH+58JC4qpiA@public.gmane.org>
2012-07-31 11:08 ` Alex Netes
2012-07-31 11:53 ` Sebastian Riemer [this message]
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