TransAtlantic Cable Break

Sun Jun 24 22:03:49 UTC 2007

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.