spf-discuss
[Top] [All Lists]

Re: DNS load research

2005-03-20 01:26:25
Radu Hociung wrote:

loop in its includes, I'll ignore it, with the note below.

Thanks for these interesting numbers.  Wayne's 3*10 implicitly
gets a loop soon enough.  For an overall limit like 40 that's
in theory dubious.  OTOH the worst case of a loop would need
only 2 "real" queries, the remaining 38 answers come from the
cache, and that's okay for a PermError without any additional
"loop detection".  

Some of the early drafts explicitly mentioned "loop detection",
and I also mumbled something about 10+40 two weeks ago only to
catch loops, but that was wrong.  And 10+40 won't help Scott,
he needs about 20.  Your stats also indicate that 20 could be
a good limit.  But without a much broader sample I'd still say
that 40 is safer.
                   Bye, Frank



<Prev in Thread] Current Thread [Next in Thread>