Date: Thu, 17 Jan 2008 00:21:02 +0200 From: Alexander Motin <mav@FreeBSD.org> To: Michael MacLeod <mikemacleod@gmail.com> Cc: freebsd-net@freebsd.org, Julian Elischer <julian@elischer.org>, Nikos Vassiliadis <nvass@teledomenet.gr> Subject: Re: Multilink PPP Download Speeds With Round-Robin Packets Message-ID: <478E834E.4080302@FreeBSD.org> In-Reply-To: <1200518607.00010486.1200507002@10.7.7.3> References: <1200479046.00010232.1200466203@10.7.7.3> <1200479105.00010249.1200468002@10.7.7.3> <1200482587.00010258.1200469801@10.7.7.3> <1200489793.00010290.1200478201@10.7.7.3> <1200518607.00010486.1200507002@10.7.7.3>
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Michael MacLeod wrote: > So there are lots of out of order packets, but that's to be expected > with round-robin multilink ppp. I ran these after downloading three > copies of the linux kernel in parallel, and there are no packets that > were reassembled. Even working in round-robin mode ppp avoids packet reordering as it may lead to problems with compression/encryption protocols. Multilink header includes serial number especially for this purpose. > I seem to recall that mpd did not support either > packet splitting or round-robin (I forget which, and I forget where I > read it), and since my connection to TekSavvy uses both of these, it > might be a non-starter. Mpd supports both. There were some mistakes in multilink transmission part of ng_ppp kernel module working in splitting mode that in some cases could lead to ineffective packet distribution, but they were fixed 8 months ago at 6-STABLE. -- Alexander Motin
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