North American Network Operators Group
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Re: US Navy Contact.
- From: Todd Vierling
- Date: Fri Mar 11 11:12:58 2005
On Thu, 10 Mar 2005 Michael.Dillon@radianz.com wrote:
> > One of our
> > netblocks appears to be filtered somewhere inside their network,
> > preventing DNS lookups from completing, thus preventing e-mail from
> > being delivered.
>
> Am I reading this correctly? You are saying that you
> have engineered a single point of failure in your network
> and now you are suffering as a result?
>From how I read it, the original poster did not have a network failure, but
rather is being afflicted by deliberate packet filtering. That is *not* a
SPOF effect.
Sure, multiple diverse nameservers are preferable, but even that will never
prevent blanket blocking from causing filures at some remote site.
--
-- Todd Vierling <tv@duh.org> <tv@pobox.com>
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