One more information: The explicit solution, https://datatracker.ietf.org/doc/html/draft-wang-lsr-prefix-unreachable-annoucement-10 does not require all the nodes be upgraded simultaneously.
Aijun Wang China Telecom > On Nov 9, 2022, at 12:06, Peter Psenak <ppsenak=40cisco.com@ > > Using a new Sub-TLV to signal unreachability makes the solution non backward > compatible, and harder to deploy, for no good reason IMHO. > > thanks, > Peter > > >> (Alternatively, if I misunderstood 5305/5308 - I'm pretty sure I'm not >> the only one to read it that way and that's a pretty important >> errata?!?) >> Cheers, >> -David > > _______________________________________________ > Lsr mailing list > Lsr@ietf.org > https://www.ietf.org/mailman/listinfo/lsr
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