North American Network Operators Group

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Re: Are SW upgrades needed in MPLS core networks?

  • From: Rubens Kuhl Jr.
  • Date: Fri Feb 06 12:01:13 2004

----- Original Message ----- 
> Based on the results it seems to be easy to conclude that about the
> only reason to put IPv6 over [v4 over] MPLS on the networks (rather
> than directly on top of the physical infrastructure) is due to the
> other reason, because some vendors have sold crappy hardware which
> does not support IPv6, or does not offer sufficiently good IPv6
> performance.

Even hardware with good IPv6 performance seems to forward at half the rate
of IPv4/MPLS packets; may be accelerated forwarding by tag switching, the
idea that originated MPLS, is a good thing ?