[no subject]

However, in reality the vendor implementation blows the protocol
design out of the water. You need to consider both when evaluating a
new IGP. Cisco nearly implemented a handy feature with
prefix-suppression, whereby in IOS for OSPF only one would prevent
p-t-p links being advertised into the IGP database. But they didn't
implement this for IS-IS. Then in IOS-XR they removed this feature
from OSPF and implemented it for IS-IS ?!?! So yeah, vendors
implementations are just as important and the theoretical potential of
the protocol.

Oh yeah, forgot to answer the original question. For a greenfield
deployment I'd be happy with either OSPFv3 or IS-IS as long as it's
well designed I don't see much between them, it would come down to
vendor support then.

Cheers,
James.
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