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Non-Standard use of MPLS

  • From: Bob Anders <mplsbob@gmail.com>
  • Date: Fri, 27 May 2005 18:34:25 +0800
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Dear MPLS-Experts,

I am aware that MPLS is intended to be used for switching purposes,
but I was wondering if anyone knows about implementations or plans
that make use of MPLS in a non-standard way, like

- MPLS is still used to make forwarding decisions, but the stack
contains also non-forwarding relevant information either in Exp bits
or in separate labels (type of information possibly identified by Exp
bits)
Or
- The MPLS stack is only used as a "vehicle" to encode additional
non-forwarding relevant information. Forwarding decisions are still
based on the underlying protocol (e.g. IPv4).

When talking about non-forwarding relevant data, I am thinking of
information used for encryption, network statistics, billing, etc ...

If there is anything out there (or maybe planed by IETF or whoever)
that makes use of MPLS-like stacks as described above, I would be
happy to hear about it (URLs, papers, ...).

Thanks and have a nice weekend!

  Bob

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