The MPLS WG Archive

[Kireeti Kompella <kireeti@juniper.net>]

On Thu, 18 Apr 2002, Markus Jork wrote:

> It looks to me as if the L3PID signaling seemed like a good idea at the
> time but turned out to be not particularly useful.

It's not that bad, but it is less than optimal.  One could use IP
LSPs for IP, IP VPNs, etc., where the payload is IP; and establish a
parallel set of LSPs for non-IP traffic.

> Maybe it should be redefined to only
> apply to packets with a label stack of 1 while all other packets on
> the LSP with label stack > 1 are simply of unknown protocol type.

That was my suggestion when this topic came up 2+ years ago, got
little traction.  I still like it, though :-)

Kireeti.