[c-nsp] label-allocation-mode per-ce Operational experience

[Saku Ytti]

On (2012-11-14 17:56 +0100), Adam Vitkovsky wrote:

> So basically,
> Per-prefix = per "destination prefix"
> Per-ce = per next hop

Yes.

> The only scenario I can imagine that would benefit form the default behavior
> of per-prefix label allocation is
> 
> PE connects to multiple CEs via one link to a L2 switch and the CEs run IGP
> with the PE

Yeah. If you are now sharing next-hop, then one of them converges to
another local interface. In per-prefix it's local repair, per-ce it's
globally visible repair. But that is really coined example, not very
practical.

-- 
  ++ytti