[97579] in North American Network Operators' Group
Re: TransAtlantic Cable Break
daemon@ATHENA.MIT.EDU (Iljitsch van Beijnum)
Sun Jun 24 18:04:55 2007
In-Reply-To: <467E6470.8070000@inoc.net>
Cc: nanog <nanog@merit.edu>
From: Iljitsch van Beijnum <iljitsch@muada.com>
Date: Mon, 25 Jun 2007 00:03:49 +0200
To: Robert Blayzor <rblayzor@inoc.net>
Errors-To: owner-nanog@merit.edu
On 24-jun-2007, at 14:32, Robert Blayzor wrote:
>> I do happen to believe rather
>> than get a single SONET/WDM protected 10G Wave you are better off
>> getting two unprotected 10G waves and plugging them into your
>> devices, and let layer 3 routing take over.
> That really depends. Two unprotected circuits are going to cost you
> twice as much.
It doesn't depend. With layer 2 protection you still have single
points of failure. I.e., if your line card catches on fire you're
dead in the water. With two independent unprotected circuits the
other circuit is still there and the routing protocols take care of
the details.
