From owner-freebsd-net@freebsd.org Fri Sep 2 14:39:27 2016 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id EDF3FBCC893 for ; Fri, 2 Sep 2016 14:39:27 +0000 (UTC) (envelope-from sthaug@nethelp.no) Received: from bizet.nethelp.no (bizet.nethelp.no [195.1.209.33]) by mx1.freebsd.org (Postfix) with SMTP id 47B2ABC0 for ; Fri, 2 Sep 2016 14:39:26 +0000 (UTC) (envelope-from sthaug@nethelp.no) Received: (qmail 53895 invoked from network); 2 Sep 2016 14:39:24 -0000 Received: from bizet.nethelp.no (HELO localhost) (195.1.209.33) by bizet.nethelp.no with SMTP; 2 Sep 2016 14:39:24 -0000 Date: Fri, 02 Sep 2016 16:39:24 +0200 (CEST) Message-Id: <20160902.163924.74698300.sthaug@nethelp.no> To: slw@zxy.spb.ru Cc: vegeta@tuxpowered.net, freebsd-net@freebsd.org Subject: Re: 60G+ network connection From: sthaug@nethelp.no In-Reply-To: <20160902140711.GC34394@zxy.spb.ru> References: <20160902100203.GK88122@zxy.spb.ru> <6699041.g38mlsGLrS@energia> <20160902140711.GC34394@zxy.spb.ru> X-Mailer: Mew version 3.3 on Emacs 21.3 / Mule 5.0 (SAKAKI) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 02 Sep 2016 14:39:28 -0000 > > Plase note that by using link aggregation you can not achieve full speed over > > a single TCP stream. Onle when multiple streams are in operation you will > > really get the aggregated speed. > > NP, I am have more then 40K TCP stream. > > PS: link aggregation with round-roubin policy can achieve full speed. Link aggregation with round-robin policy cannot guarantee that packets won't be reordered. Reordering is a *big* no-no for most ISPs, and is the reason why LAGs are often used with hash-based packet distributions which ensure that packets within one *flow* (for instance a single TCP stream) won't be reordered. Steinar Haug, Nethelp consulting, sthaug@nethelp.no