[dns-wg] v6 ns/glue naming bcp
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Patrik Fältström
paf at cisco.com
Sat Sep 6 10:44:12 CEST 2003
How many old clients and servers do _NOT_ handle a 1400 byte packet? When was the last time you saw one? (The pix blocks it in some configuration modes I can add before you all say _T_H_E__P_I_X_...) paf On 5 sep 2003, at 19.49, Peter Koch wrote: > Jim Reid said: > >> century? This seems to be storing up trouble for the future and could >> make it awkward to get reasonable amounts of IPv6 glue deployed. How >> feasible would it be to mandate or recommend that IPv6-aware DNS >> clients use EDNS0 to get bigger payloads and complete glue RRsets? > > that might be useful but will not solve the problem. > >> Could we just say "use EDNS0" and be done with it? > > Legacy, i.e. EDNS-unaware, clients will continue to use the 512 byte > limit, > so the servers - unless they call for more load - should be > conservative > and the zone administrators should be as well. > > Related to this, IPv6 already has an impact on server load. On our > system > we already see large amounts of AAAA and A6 type queries (each roughly > 85% > of the type A count), so I'd really favor a conservative approach. > > -Peter >
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