Yes - many questions and few answer and very little data available for
the community to figure out those answers. John Crain should publish
stats more often. Why indeed does root behave so strangely. That little
40 percentage thingy indeed does raise alotof questions. John can you
speculate for us? Whats going on.
Another very interesting thing is the incredible power behind one IP
number when it has experienced root activity. It only takes one rogue
root to highjack the entire root system. Its been done twice now in
internet history. How is that possible?
regards
joe baptista
JINMEI Tatuya / 神明達哉 wrote:
At Wed, 28 Nov 2007 10:55:44 +0100,
Peter Koch <[EMAIL PROTECTED]> wrote:
Currently about 60% New IP to 40% old IP... and rising slowly
So clearly a lot of folks still need to up date their hints files :(
part of that traffic will be due to old hints files, but priming was
actually supposed to accelerate the migration. 40% of total L traffic
seems a bit much for 1/13 of the priming traffic?
BIND9 also uses the root hint when it finds necessary glue is
missing. For example, consider the following delegation:
child.foo.example. NS 86400 ns.child.foo.example.
ns.child.foo.example. A 3600 192.0.2.1
When the (recursive) resolver first visits the child.foo.example zone,
it caches both the NS and A records. The glue (A) record will expire
in 1 hour. When the resolver tries to visit the zone after that while
still keeping the NS record, it tries to fetch the missing glue from
the root using the hint file, regardless of whether it has the root NS
and the root server addresses in its cache.
This would be another reason for the queries to the old L-root
address, though I don't think it makes the 40% of total traffic unless
the vast majority of hint files aren't updated.
JINMEI, Tatuya
Communication Platform Lab.
Corporate R&D Center, Toshiba Corp.
[EMAIL PROTECTED]
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