[c-nsp] IS-IS as PE-CE protocol

[Victor Sudakov]

Robert Raszuk wrote:
> > >
> > > A protocol designed to speak between 2 different autonomous systems.
> > >
> > > If that is not an option, not using a routing protocol is also a good
> > > idea, i.e., static routing.
> >
> > Well, the Internet is full of examples and recommendations of an IGP
> > (most often OSPF) being used between PE and CE, so it must be common
> > practice. In fact, OSPF even has special enhancements for this very
> > purpose.
> >
> > >
> > > You're not my immediate competitor, so I'll advise you not to run an IGP
> > > with a customer.
> >
> > Again, it seems a common practice to run an IGP with a customer to
> > import the customer's routes into the provider's MPLS network.

> Yes - the examples are there on the net for most BGP resistant customers
> and non managed CPEs  ... But as others already said all biggest SPs which
> are still offering L3VPNs are only doing BGP and static.

Still, the answer to my initial and direct question about IS-IS is...  "yes" or "no"?

-- 
Victor Sudakov,  VAS4-RIPE, VAS47-RIPN
2:5005/49 at fidonet http://vas.tomsk.ru/