Date: Fri, 20 Jul 2007 15:34:29 -0700 From: "Artem Belevich" <fbsdlist@src.cx> To: "Eli Dart" <dart@es.net> Cc: freebsd-net@freebsd.org, Julian Elischer <julian@elischer.org> Subject: Re: 6.2 mtu now limits size of incomming packet Message-ID: <ed91d4a80707201534q6e32a9c5j8803ec96fa7f6515@mail.gmail.com> In-Reply-To: <46A10860.50804@es.net> References: <200707150237.l6F2bAgZ011098@redrock.karels.net> <469E0FFF.8070802@seclark.us> <20070720172021.8EA3D13C4B3@mx1.freebsd.org> <46A10063.9010902@elischer.org> <46A10860.50804@es.net>
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Here's one example where MTU!=MRU would be useful. Think of asymmetric bandwith-limited ADSL links. Lower MTU would allow lower TX latency for high priority packets when upstream is saturated, yet large MRU on the downstream would be great for downloads. Right now with 6.2 one has to trade off lower latency for faster download. --Artem
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