Date: Thu, 18 Apr 2002 05:36:44 -0500 (CDT) From: Mike Silbersack <silby@silby.com> To: Mark Delany <markd@BushWire.Net> Cc: Bill Fenner <fenner@research.att.com>, <freebsd-net@FreeBSD.ORG> Subject: Re: What does FreeBSD do when listen queue is full ? Message-ID: <20020418053441.L17827-100000@patrocles.silby.com> In-Reply-To: <20020418011320.60326.qmail@prefix.bushwire.net>
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On 18 Apr 2002, Mark Delany wrote: > It raises the question as to the purpose of backlog. Is it really only > intended as a resource hint or does it represent a firm threshold > beyond which the OS should act differently? > > If the latter, then the purpose of the threshold can only be of real > benefit to the client as the server can trivially track its own > resource usage, true? Well, the problem with being fast and free with RSTs is that I don't think many clients react well to them. Hence, in the standalone server case I suspect that Bill's idea of ignoring the ACK and waiting for it to be retransmitted is the better idea. After that is done, adding a sysctl which enables the RST functionality wouldn't be a problem if you think that it may be beneficial for those using load balancers. Mike "Silby" Silbersack To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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