Date: Fri, 02 Sep 2016 16:39:24 +0200 (CEST) From: sthaug@nethelp.no To: slw@zxy.spb.ru Cc: vegeta@tuxpowered.net, freebsd-net@freebsd.org Subject: Re: 60G+ network connection Message-ID: <20160902.163924.74698300.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>
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> > 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
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