Re: [RRG] DNS down vs Network down

[jnc@mercury.lcs.mit.edu (Noel Chiappa)]

    > From: Randall Atkinson <rja@extremenetworks.com>

    > The overwhelming majority of users/deployments today are unable to
    > distinguish "DNS service unavailable" from "network down".
    > ...
    > I think this means that being more explicitly reliant on DNS service
    > availability now, versus 20 years ago, is widely acceptable.

True, and a good point, but... We do need to distingiush between "a member of
the set of things required to be operational in order for normal users to be
able to do stuff" and "a dependency loop which could prevent network
engineering personnel from repairing a fault" - the latter set should be
empty!

	Noel

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