North American Network Operators Group

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Re: Question on the topology of Internet Exchange Points

  • From: Will Hargrave
  • Date: Sat Feb 16 10:55:08 2008

Greg VILLAIN wrote:

> I'm not saying one should convert every single IX peering into a PNI, as
> I feel both are pretty much required: your smallest peers shall be
> secured on as many IXes as possible, your biggest ones via PNI. IX
> peering is mandatory to keep internet routing diversity up to par - and
> enable small ASes to grow.

The converse can also be true - we have a number of members who use the
IX fabric as a backup to their PIs with larger peering partners. If you
lose a PI carrying a GE of traffic, where does that traffic go?

Will Hargrave             [email protected]
Technical Director