North American Network Operators Group

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Re: link between Sprint and Level3 Networks is down in Chicago

  • From: Steve Meuse
  • Date: Thu Nov 09 17:13:44 2006
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It's not uncommon at all to have a single interconnect between providers in a geographical area. Multiple interconnects within a region tended to be more for load balancing, not redundancy.

There have been certain providers that, historically, could or would not support anything larger than an OC48. In those cases you had multiple circuits to maintain traffic balance. When they finally migrate to 10GE you back off to a single circuit and use your backbone for city redundacy.


On 11/9/06, Deepak Jain <[email protected]> wrote:

Does someone know if this is a *single* link down?? It seems bizarre to
me that there would only be a single link (geographically) between those

Whatever happened to redundancy?


Dennis Dayman wrote:
> We received confirmation from Time Warner. The link between Sprint and
> Level3 Networks is down in Chicago. This has been an issue since 3:10 PM
> EST.  Time Warner has a ticket open to address the issue. Not sure what it
> is yet.
> -Dennis