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GMPLS - PSC switching capability

  • From: Kireeti Kompella <kireeti@juniper.net>
  • Date: Wed, 29 May 2002 04:07:19 -0700 (PDT)
  • cc: <mpls@UU.NET>


On Tue, 28 May 2002, Bharathi R wrote:

> If so then in PSC-2 label stack depth is 2 and PSC-3 means label stack of
> depth 3 and so on.

PSC-1...PSC-4 refer to levels of LSP hierarchy in the packet-switched
domain.  For example, one can full mesh one's core with TE LSPs, and
then engineer region-to-region TE LSPs, giving a two-level hierarchy.

> If so then why it is restricted to 4 levels?

Do you have a preferred magic number?

Kireeti.