How to add IPv6 support?
mj at ucw.cz
Fri Oct 1 21:45:02 CEST 2010
> Oh, come on. IS-IS is much better than OSPF.
I am not sure if anything that uses ASN.1 can be considered better ;-)
At least in my eyes, ASN.1 is an equivalent of TeX badness -10000,
i.e., it makes an arbitrary protocol infinitely ugly.
> It's protocol can be
> extended using new TLV values (as it was extended to do IPv4 routing).
> With IS-IS it would be much easier to deploy IPv6 or any other protocol
> like label distribution in MPLS. But you are right, more simple protocol
> wins even though it will make your live harder later.
AFAIK, the problems with adding IPv6 support to OSPF were not primarily
caused by the fixed format of addresses (it would be close to trivial to
change the protocol to use any format of addresses), but instead by the
rather stupid design decision regarding construction of network ID's, which
was problematic even with plain IPv4 CIDR.
Have a nice fortnight
Martin `MJ' Mares <mj at ucw.cz> http://mj.ucw.cz/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
Quidquid latine dictum sit, altum videtur.
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