There is no fundamental difference between ISIS and OSPF; it's all in details and style. You might want to look at:
http://www.nada.kth.se/kurser/kth/2D1490/06/hemuppgifter/bhatia-manral-diff-isis-ospf-01.txt.html Glen. On Sat, Dec 27, 2008 at 8:17 AM, devang patel <devan...@gmail.com> wrote: > Hello, > > I do have some confusion about which one is better for IPv6 in Service > Provider networks as far as IP routing and MPLS application is concern! > > 1. Which protocol should i use to support the IPv6 in network: ISIS or > OSPFv3? > As ISIS has multi-topology feature that can give us capability to run > IPv4 network separate from IPv6 right! and same thing with OSPF: OSPFv2 will > be used for IPv4 routing and OSPFv3 will be used for IPv6 routing! again Its > look like resource utilization for both the protocol will be same as they > are going to use separate database for storing the routing or topology > information. ISIS still has advantage over OSPF as it does use the TLV > structure which can help in expanding network to support the new feature! > > 2. MPLS is not distributing label for IPv6 protocol so again there will not > be any IGP best path calcuated for any MPLS related application for IPv6! > > 3. what if i have already running OSPFv2 for IPv4 in the network then should > i think for migrating to ISIS? > if yes then what are the advantages that I can look at for migrating my > network to IS-IS? > > > > regards > Devang Patel >
