[67253] in North American Network Operators' Group
Re: Are SW upgrades needed in MPLS core networks?
daemon@ATHENA.MIT.EDU (Rubens Kuhl Jr.)
Fri Feb 6 14:00:55 2004
Reply-To: "Rubens Kuhl Jr." <rubens@email.com>
From: "Rubens Kuhl Jr." <rubens@email.com>
To: "Randy Bush" <randy@psg.com>
Cc: <nanog@nanog.org>
Date: Fri, 6 Feb 2004 16:56:39 -0200
Errors-To: owner-nanog-outgoing@merit.edu
> > I don't get why Juniper and Cisco trie-lookup forwarding would differ in
> > comparing IPv4 and IPv6; Juniper does a 8+1+1+1+1+... search until a
leaf
> > node is found, while Cisco does 16+8+8 (or something near it but still
with
> > 3 phases); for both architetures, IPv6 longer addresses implies walking
more
> > deeply into the tree in order to find where to route.
>
> ahhh. you have been watching marketing architecture presentations.
Usually it's a good way to learn about the architecture of the
competitor's(i.e, not the company of the presenter) router; watch both of
them and you get a pretty good image of what they are.
> otoh, we have been using real routers.
Those real routers have real architetures with what behaviour regarding
prefix-length ?
Rubens
