From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from nm11.access.bullet.mail.sp2.yahoo.com (nm11.access.bullet.mail.sp2.yahoo.com [98.139.44.138]) by huchra.bufferbloat.net (Postfix) with SMTP id 4F27F21F094 for ; Wed, 6 Jun 2012 05:29:01 -0700 (PDT) Received: from [98.139.44.99] by nm11.access.bullet.mail.sp2.yahoo.com with NNFMP; 06 Jun 2012 12:28:58 -0000 Received: from [98.139.44.83] by tm4.access.bullet.mail.sp2.yahoo.com with NNFMP; 06 Jun 2012 12:28:58 -0000 Received: from [127.0.0.1] by omp1020.access.mail.sp2.yahoo.com with NNFMP; 06 Jun 2012 12:28:58 -0000 X-Yahoo-Newman-Id: 234897.8530.bm@omp1020.access.mail.sp2.yahoo.com Received: (qmail 11710 invoked from network); 6 Jun 2012 12:28:57 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=rogers.com; h=DKIM-Signature:X-Yahoo-Newman-Property:X-YMail-OSG:X-Yahoo-SMTP:Received:Message-ID:Date:From:Reply-To:User-Agent:MIME-Version:To:Subject:References:In-Reply-To:X-Enigmail-Version:Content-Type:Content-Transfer-Encoding; b=W9YSy0r2Q/QTSQFtlHG6t2SgU+M9amSMznbFDXVRnfFJgyuOBTPUVJUInA10QVFBQQkd4ehxcoJWXYKDN2XCkxpNR+wf3IzPoFEoCL6YYxjCqm7DZV5Cuu8qLGw/SjQO8IBDQTnG7Zl6h2u4Jg8fyLHVx9NTxCvjW5XWAc3PxvY= ; DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rogers.com; s=s1024; t=1338985737; bh=07isWVi+Sd+Uvt3rcEgiKiqvZKmmzTDSpvwQPTzHa7s=; h=X-Yahoo-Newman-Property:X-YMail-OSG:X-Yahoo-SMTP:Received:Message-ID:Date:From:Reply-To:User-Agent:MIME-Version:To:Subject:References:In-Reply-To:X-Enigmail-Version:Content-Type:Content-Transfer-Encoding; b=lQeHGVJ4x2L5i0ELqsB/AFZpadE9d/Iaf0getrfBzB63wG6CcUMXQKfXfntL0KWZ91iyT3d4UDFJmLPJ/aoRf5/r/ynYc4ILEHrcWkyMhXF2pWCT6zyLGIT+gcG1zj/9iwCp0q9qhApmJvWMEhScrddyOWuH4RdgAPZAgo58w+U= X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: dCvJILEVM1lRfBe9bc60sbskLT4pDamJfnuOiglsTPt2qo5 86Whx3Q9TUvuYothdSOpHdppZmlbn0OM6HCTuJjuCnc3IE1YQwKlc.GSPxos AZWNC67cPoDH_zni8RLpjKLpowCn3OvYj3ITEUl9kwjN8_LSFBYnyFnZ04yb dpqj5jAOPU_I7eV8VXtbuOLl3L1ZOJkTxWzRokg8yoot9dfBhBgDPp7P0r4k 14CDDAt1GLr5tr2aHPkKrsI0eKAupyZxPRArqm4ojmj2J4aCxJsnYndCfyoX NBYDDhXpUHHPiO7QSYQUfLjUeEwOf4Jkxi8LJKDbelRWZThcCgpdybZLZtDe B9de8S8ZFSnPE9PgJQE5FktY4.VzHVIkRY.bEHtcC8i_gPnSEjBvOV0WraVD UpaFY.pkBvutlJ_TcuJqDfR2jlBLyeFS26Fx.Qxv3 X-Yahoo-SMTP: sltvjZWswBCRD.ElTuB1l9j6s9wRYPpuyTNWOE5oEg-- Received: from [192.168.11.40] (davec-b@216.13.131.9 with plain) by smtp101.rog.mail.gq1.yahoo.com with SMTP; 06 Jun 2012 05:28:57 -0700 PDT Message-ID: <4FCF4D51.6040208@rogers.com> Date: Wed, 06 Jun 2012 08:30:09 -0400 From: David Collier-Brown User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1 MIME-Version: 1.0 To: bloat@lists.bufferbloat.net References: In-Reply-To: X-Enigmail-Version: 1.4.2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Bloat] Tackling bufferbloat in 3G/4G networks: A receiver-based, TCP solution X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.13 Precedence: list Reply-To: davecb@spamcop.net List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 06 Jun 2012 12:29:01 -0000 On 06/05/2012 03:00 PM, Ingemar s Johansson wrote: > And thanks for an interesting report. I must say that this resembles LEDBAT quite a lot, with the exception that LEDBAT is a (mainly) sender based modification and may thus be easier to deploy. Like commented on this list (by Jonathan Morton for instance) it could be interesting to see how they compare. > One flaw with delay based algos (which LEDBAT tries to solve) is the sensitivity to reverse path delay (similar issue with Vegas I believe), I guess your algorithm can have the same problem or. Does not mean that LEDBAT is free of problem... > > Regards > /Ingemar Johansson > > I wonder how the two schemes would interact, and if it would make sense for the sender to adjust the send window in a similar manner? --dave -- David Collier-Brown, | Always do right. This will gratify System Programmer and Author | some people and astonish the rest davecb@spamcop.net | -- Mark Twain (416) 223-8968