[77059] in North American Network Operators' Group

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RE: Proper authentication model

daemon@ATHENA.MIT.EDU (Hannigan, Martin)
Wed Jan 12 11:54:10 2005

From: "Hannigan, Martin" <hannigan@verisign.com>
To: "'Joe Abley'" <jabley@isc.org>
Cc: NANOG list <nanog@merit.edu>
Date: Wed, 12 Jan 2005 11:53:31 -0500
Errors-To: owner-nanog-outgoing@merit.edu



> -----Original Message-----
> From: Joe Abley [mailto:jabley@isc.org]
> Sent: Wednesday, January 12, 2005 10:55 AM
> To: Hannigan, Martin
> Cc: NANOG list
> Subject: Re: Proper authentication model
> 
> 
> 
> On 12 Jan 2005, at 10:16, Hannigan, Martin wrote:
> 
> > If you have 3 sites and they're interconnected via an OC3
> > and the internet, you would also have 2 frame or ppp circuits
> > seperately connecting the terminal server network. You'd do the
> > different path, different provider, etc. on these circuits.
> 
> You mean you'd *request* a different path from different providers.

Provisioning a circuit from two different ^providers^, other than
your OC3 provider. Of course, you need to have at least 3 unique
carriers in the facility, but most do. This is not so easy at 
the enterprise level.

I'd add the caveat that this only works if you have diversified
entrance facilities and follow bellcore standards for central
offices when you design and implement your facilities. For
example, Level3 and Internap.

-M<

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