Date: Wed, 29 May 2002 16:24:03 +0200 From: Andre Oppermann <oppermann@pipeline.ch> To: "Louis A. Mamakos" <louie@TransSys.COM> Cc: Attila Nagy <bra@fsn.hu>, Luigi Iannone <Luigi.Iannone@lip6.fr>, freebsd-net@FreeBSD.ORG Subject: Re: MPLS Message-ID: <3CF4E483.2510639@pipeline.ch> References: <Pine.NEB.4.44.0205290915060.28431-100000@tibre.lip6.fr> <Pine.LNX.4.44.0205291108080.7798-100000@scribble.fsn.hu> <3CF4A64A.EE220611@pipeline.ch> <200205291413.g4TEDLRG075458@whizzo.transsys.com>
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"Louis A. Mamakos" wrote: > > > Attila Nagy wrote: > > > > > > Hello, > > > > > > > I developped a basic implementation of MPLS over Ethernet in the FreeBSD > > > > Environment! If someone is interested in my code just e.mail me! > > > Great! Although I do not have the devices to test this, it is very > > > nice to hear that. I think the patches should go to hackers@freebsd.org, > > > to give them a chance to get them into the base. > > > > > > Yesterday I was at Ericsson on a Juniper demo (http://www.juniper.net/). > > > JUNOS is based on FreeBSD and knows everything, which has to be known by a > > > core router (for example MPLS). It would be very nice to see the same > > > functionality on a simple PC :) > > > > It is true that JUNOS is more or less FreeBSD. But it's only the > > control plane. All the switching and stack processing happens on > > the line cards which have their own CPUs and OS. > > There is no software involved in the forwarding plane, including > the line cards, in the Juniper routers. There is another CPU in > the box running an embedded system kernel, which does supervisory > things, but that's also not involved in the forwarding operation. If there is no kind of software involved on the forwarding plane then I don't know how the control plane can communicate via ethernet with the line cards... The internal communication in the router is via ethernet. > The forwarding is done in Juniper's custom designed ASIC hardware, > and is the other significantly valuable intellectual property > they have along with the routing protocol implementation (e.g., > BGP, IS-IS, etc.) I agree with the ASIC hardware. But the BGP implementation smells awfully like gated (Nexthop). Anyway, a BGP deamon isn't that hard to write. -- Andre To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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