[c-nsp] Slightly OT: Core routers used by American (and EMEA) SP's
Tom Zingale (tomz)
tomz at cisco.com
Fri Jan 13 09:03:29 EST 2006
Cisco certainly C7600 and C12K can do full non-sampled NetFlow. Not too
sure about Juniper. So your statement about nonsampled is suspect.
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net
> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Gert Doering
> Sent: Wednesday, January 11, 2006 1:18 AM
> To: Jason Chambers
> Cc: Nick Shah; cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] Slightly OT: Core routers used by
> American (and EMEA) SP's
>
> Hi,
>
> On Wed, Jan 11, 2006 at 12:47:57AM -0800, Jason Chambers wrote:
> > On Jan 8, 2006, at 21:50, Nick Shah wrote:
> > > Juniper has made some 'interesting' comments in one of
> their sales
> > > pitches (to us). One of the most intriguing one was along
> the lines
> > > of
> > > '9 out of 10 largest SP's in US use Juniper routers in
> their Core'.
> > >
> > > I want to find out how true or untrue this comment is.
> > >
> > > Ps. I know the statement is vague, but I want to get a
> general feel
> > > of Juniper's market in the US (and EMEA).
> >
> > My understanding, based on brief discussions with a few network
> > operators, is that Juniper has a better flow accounting
> implementation
> > than Cisco's NetFlow, so for that reason Junipers are used on ISP
> > transit links.
>
> Well, as far as I understand, they have a Really Nice netflow
> PIC, that can do full unsampled netflow for just about any
> amount of traffic.
>
> The downside is that it will of course cost Really Large
> amounts of money.
>
> But then, if you depend on unsampled netflow, and the amount
> of traffic overwhelms what a Sup720 (or GSR line card) can
> handle, there is nothing from Cisco you can buy that will
> give you "more netflow power".
>
> [..]
> > The Juniper tunnel PIC's are also attractive and cheaper (I
> believe)
> > than dedicating a Cisco linecard as a tunnel server card.
>
> I don't see the fundamental difference. "You need a J line card" vs.
> "you need a C line card" to get hardware assisted tunneling...
>
> A slight difference is that *all* cisco platforms can do
> low-pps tunneling without extra hardware - like "sending
> multicast PIM registers", which is a MUST for IPv4 multicast
> networks with local sources - and some of the C platforms can
> do IP tunneling in hardware right out of the box, without any
> extra costs (or loss of module slots).
>
> So in that respect, Cisco seems to be the clear winner :-) -
> unless you listen to J marketing too long, in which case all
> that comes from C is just "old crap".
>
> gert
> --
> USENET is *not* the non-clickable part of WWW!
>
> //www.muc.de/~gert/
> Gert Doering - Munich, Germany
> gert at greenie.muc.de
> fax: +49-89-35655025
> gert at net.informatik.tu-muenchen.de
> _______________________________________________
> cisco-nsp mailing list cisco-nsp at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-nsp
> archive at http://puck.nether.net/pipermail/cisco-nsp/
>
More information about the cisco-nsp
mailing list