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Filtering prefixes longer than /24
This is Yong Wan Ju at KRNIC, one of National Internet Registries, under APNIC.
Regarding your mail,
> | But the real SubTLA prefixes assigned by RIPE NCC (and probably by
> | other registries too) are /35 :-( It looks like the production IPv6
> | network will be aggregated at the /35 level.
All RIRs such as RIPE NCC, ARIN & APNIC have allocated /35 to Sub-TLA
registry based on slow-start mechanism but actually /29 are reserved for
that Sub-TLA regsitry.
Therefore, in the intial stage, It looks like the production IPv6 network will be
aggregated at the level between /35 and /29.
> Sure, but there's also supposed to be a higher level of aggregation at
> the /16 level, isn't there?
Maybe, after initial stage, it would be possible.
But who knows that ......
Have a nice day !!!