On Sat, Jun 28, 2008 at 12:34 AM, Gadi Evron <[EMAIL PROTECTED]> wrote: > On Sat, 28 Jun 2008, Christopher Morrow wrote: >> >> On Fri, Jun 27, 2008 at 11:11 PM, Roger Marquis <[EMAIL PROTECTED]> wrote: >>> >>> On Fri, 27 Jun 2008, Christopher Morrow wrote: >>>> >>>> I'd point out that FastFlux is actually sort of how Akamai does >>>> it's job (inconsistent dns responses) >>> >>> That's not really fast flux. FF uses TTLs of just a few seconds with >>> dozens of NS. Also, in practice, most FF NS are invalid. Not that FF >>> has >>> a fixed definition... >>> >> >> ;; ANSWER SECTION: >> www.yahoo.com. 24 IN CNAME www.yahoo-ht3.akadns.net. >> www.yahoo-ht3.akadns.net. 57 IN A 69.147.76.15 >> >> akamai, 60 second TTL's... most of the FF things I've seen sit around >> 300seconds for NS and for A records. either way, this is 60 seconds >> which is fast enough. > > Interesting, I was under the impression anything less than 120 is > effectively as good as 120.
I have not measured... I bet yahoo has though :) and/or Akamai. There's a reason that these folks are doing this. Would be an interesting presentation though eh? -Chris
