In message <80616.1038101587(a)toybsd.zl2tnm.gen.nz>, Don Stokes writes:
>Joe wrote:
>>Incidentally, wasn't the original plan for AS9736 to be multi-homed?
>[.... yes, but didn't happen ....]
>But mainly the need was for registry services rather than the DNS. In
>real life, most of the automated stuff was going via the email template,
>and that could back off and retry quite happily.
FWIW, the primary site for the SRS systems is currently living outside the
AS9736 address space (the secondary site is in a /24 inside that space).
The primary site is in a long prefix CIDR block of ex-Paradise
TelstraClear address space, which is also advertised into WIX (but
not APE) as a long-prefix CIDR block, and that should help to ensure
availabilty at least within NZ in the face of some outages, but otherwise
it's not multihomed. (Although given a number of sites don't accept
routes from WIX and/or don't accept prefixes that long, it may not help
_that_ much. That said, I believe the current hosts of the SRS primary
site are planning a renumbering into a shorter prefix CIDR block in the
next month or two, which may help.)
Given that the SRS is accessed through "online queries" there's probably
going to be somewhat more need for AS9736 to be multi-homed if the
primary site is moved into that space as well at some point. (AFAIK
there'll be less reliance on the "email template" approach once the SRS
opens up to competition in early December.)
Ewen
PS: The APNIC info for AS9736 looks to be somewhat out of date these
days, which is interesting because I had thought at least some of
the NZ DNS Politics were going to lead to it being updated....
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