From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sebastian Riemer Subject: Re: Basics of congestion control? Date: Tue, 31 Jul 2012 13:53:51 +0200 Message-ID: <5017C74F.6010207@profitbricks.com> References: <5017A740.4020205@profitbricks.com> <20120731110856.GD2077@calypso> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20120731110856.GD2077@calypso> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Alex Netes Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-rdma@vger.kernel.org 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 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html