North American Network Operators Group

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Re: Are SW upgrades needed in MPLS core networks?

  • From: Randy Bush
  • Date: Fri Feb 06 13:56:21 2004

> 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.

otoh, we have been using real routers.