Date: Mon, 26 Nov 2007 09:43:07 -0600 (CST) From: Mike Silbersack <silby@silby.com> To: Ian FREISLICH <ianf@clue.co.za> Cc: Kip Macy <kip.macy@gmail.com>, current@freebsd.org Subject: Re: TCP RST+data! Message-ID: <20071126094008.P7699@odysseus.silby.com> In-Reply-To: <E1IwYhE-000G7M-7Y@clue.co.za> References: <E1IwYhE-000G7M-7Y@clue.co.za>
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On Mon, 26 Nov 2007, Ian FREISLICH wrote: > Yet, a colleague managed to configure the phone using his Mac over > that very slow link - analog leased line at 28.8kbps. I do > occasionally see resets even when not using delayed ack. Hrm. Maybe the phone determines the RTT based on how quickly the SYN-ACK was acknowledged, then drops the connection after 2xRTT? Sounds crazy, but it would be no more crazy than the rest of the phone's TCP stack. :) > I'm in communication with the vendor, so hopefully this will get > fixed. Interestingly, this is one of the few phones that I've been > able to interact with web and telnet while it's busy on a call. > Guess you win some... and loose some. > > Thanks for confirming my suspicions. > > Ian Ah, good. I hope that you are able to convince them to improve the phone; it sounds like it should not be that difficult for them to fix the RST-related issues. The lack of sliding window is just a performance issue, so they can live without that. -Mike
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