Date: Mon, 31 May 1999 09:38:23 -0400 (EDT) From: David Gilbert <dgilbert@velocet.ca> To: Luigi Rizzo <luigi@labinfo.iet.unipi.it> Cc: dgilbert@velocet.ca (David Gilbert), wollman@khavrinen.lcs.mit.edu, freebsd-net@FreeBSD.ORG Subject: Re: Linux and Solaris tcp beating FreeBSD 4:1 Message-ID: <14162.37071.546060.298675@trooper.velocet.ca> In-Reply-To: <199905310300.FAA18044@labinfo.iet.unipi.it> References: <14161.65132.912907.525115@trooper.velocet.ca> <199905310300.FAA18044@labinfo.iet.unipi.it>
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>>>>> "Luigi" == Luigi Rizzo <luigi@labinfo.iet.unipi.it> writes: Luigi> If you have access to both sides of the adsl link, i think you Luigi> might more effectively implement link-level retransmits (i am Luigi> not sure, but it might be that ppp already does this). >> Luigi> It could be a relatively simple project to implement within a Luigi> FreeBSD-based router or bridge >> Unfortunately, I don't have access to the link layer. The routers >> are ascend --- but I do have control of both ends. Luigi> so you can still do the job -- just put two FBSD bridges next Luigi> to the ethernet port of the ascend's and let them implement the Luigi> local retransmit. I'm not positive how to do this. PPP does do retransmits, but it will only (AFAIK) use TCP as it's own transport --- which would suck. You'd need some udp transport for tunnels --- which would be writing your own retransmit code --- which would be rather like fixing the problem. Dave. -- ============================================================================ |David Gilbert, Velocet Communications. | Two things can only be | |Mail: dgilbert@velocet.net | equal if and only if they | |http://www.velocet.net/~dgilbert | are precisely opposite. | =========================================================GLO================ To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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