North American Network Operators Group
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Re: MPLS VPNs or not?

  • From: Yakov Rekhter
  • Date: Wed Aug 08 05:07:07 2001 
Vadim,

> 
> Yakov, that was not nice.
> 
> If you look at the "opposition" side you'll see quite a lot of people who
> had to run real backbones; and who have a feeling of impact featurism has
> on reliability of code.  For what it worth, nothing makes you appreciate
> simplicity and quality as getting dragged out of bed in the middle of the
> night to fix backbone falling down in flames because of yet anothing
> interesting glitch caused by the flaky but feature-rich software.
> 
> My position was always consistent - if you can do something (like VPN) at
> the edge boxes w/o inroducing complexity into core transport, this is the
> way to do that.  

Then to be consistent with your own position, you certainly should agree 
that 2547 is "the way to do" VPNs, as with 2547 all the VPN-related 
information is confined to the PEs (where "PE" stands for provider *edge*),
and none of the P (core) routers maintain any VPN-related information.

Yakov.