Date: Thu, 20 Aug 2009 16:35:54 +0200 From: Michelle Konzack <bsd4michelle@tamay-dogan.net> To: freebsd-isp@freebsd.org Subject: Re: PPPoE server (high traffic in WDM network) Message-ID: <20090820143554.GB28649@tamay-dogan.net> In-Reply-To: <002a01ca2178$3745bdb0$1e010a0a@in72.ru> References: <002a01ca2178$3745bdb0$1e010a0a@in72.ru>
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Am 2009-08-20 15:25:50, schrieb Дмитрий Замураев: > Hello, Michelle > >> The main problem with the bandwidth is, that even the VOD/IPTV and VoIP >> traffic goes throug the PPPoE server which is very bad. > I don't think so, yes it is bad and not very bad. It depends on BRAS > hardware. Hmmm... >> I do not want to count the traffic to a specific /25 which hold the >> storage servers,If you want this, you may use the MPD-specific RADIUS > attributes described in: > http://mpd.sourceforge.net/doc5/mpd30.html#30 > see last paragraph. I have tried this but it does not work. >> mean, the VOD/IPTV and VoIP traffic must bypass the >> PPPoE server. > If VOD/IPTV is uses multicast - yes else you must set the pipe for this > kind of traffic Ehm, noy, VOD is unicast, because the user can view videos whenever she/he want. Currently we do not know whether we support TV channels over IPTV. >> My idea is/was, to put the PPPoE server diretly byside the FTTH DSLAM's, >> which mean, each 96port DSLAM has an upstrem of 1 GE and even if I put >> 10 of them in a 42RU, it would normaly not fill the 10 GE ports of a >> professionel Server. And of corse, I can put always two or three >> together parallel. > Yes, it is good idea. I will see... It seems, that even 96 FTTH ports with 100 MBit each do not hit the limit of a 1GE upstream, so the now I could test the "Sun Fire X4100M2" becaus it has four 1GE ports, which mean, I can use one as upstream and then connect the three others to up to three FTTH DSLAMS... Transforming a 1400 US$ Server into a pppoe server/router which has not more then 2 GByte of memory and the smallest CPU available. This could work. >> The problem is only, that I can not install 10 (or 20 redunant) 1U Sun >> Fire X4100M2, even if I can get up to 60% rebat of the listprice. >> I have not the place to put 20 additiona servers into, nor I like the >> power consumation ~70 Watt with the smalles CPU and only 4 GByte of RAM. > I have't Sun servers and i can't compare Sun with i386 usage with this task > I use i386 servers. See below. The X4100M2 is a Opteron > the SMP with many NIC helps, and so much I know, the smallest Quad-Core CPU with 4 threads/core could be enough > I use usb flash drive in read-write mode as full replace of hard drive I do not know whether the X4100 can boot from USB-Flash, but it seems, a SATA/CF adaptor is working or even a very cheap SATA HDD. The X4100 is not bound to SAS drives. > for the driver see: people. yandex . ru/~wawa OK > 2. FreeBSD 7.2, mpd5.3 + ng_car + ng_bpf (rate-limiting > on this machine - the perfomance of traffic processing is very good, > because ng_car & ng_bpf is in kernel space, but have trouble > described in PR kern/137881, i think on FBSD 7.0 it may be works fine, > but no test are made, i'm busy) > I think the best choise today is #2 I will give it a try Thanks, Greetings and nice Day/Evening Michelle Konzack Systemadministrator Tamay Dogan Network Debian GNU/Linux Consultant -- Linux-User #280138 with the Linux Counter, http://counter.li.org/ ##################### Debian GNU/Linux Consultant ##################### <http://www.tamay-dogan.net/>; Michelle Konzack <http://www.can4linux.org/>; Apt. 917 <http://www.flexray4linux.org/>; 50, rue de Soultz Jabber linux4michelle@jabber.ccc.de 67100 Strabourg/France IRC #Debian (irc.icq.com) Tel. DE: +49 177 9351947 ICQ #328449886 Tel. FR: +33 6 61925193
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