DNS Reliability

George William Herbert george.herbert at gmail.com
Thu Sep 12 23:02:45 UTC 2013

On Sep 12, 2013, at 3:39 PM, Randy Bush <randy at psg.com> wrote:

>> we're already outside our operating envelope
> not really.  just some folk seem not to understand things such as udp
> datagrams and the dns protocols.
> randy

Statistically, UDP sometimes arrives after an internet wide round trip.  Honest!

The worry is bimodal.

Most small sites, two or three servers, stop worrying.

Most medium sites, watch your server load and run external monitoring.

Most big sites are not sufficiently paranoid / redundant here.

-george william herbert

Sent from Kangphone

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