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Cell Relay Retreat>ION Archive>month:1996-Sep> msg00189



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Your (September, 1996) Internet Draft

  • From: Jeff Nai <jnai@raleigh.ibm.com>
  • Date: Fri, 27 Sep 1996 15:43:46 -0500
  • Cc: "Eric W. Gray" <gray@cabletron.com>, ion@nexen.com
  • Organization: IBM

Yakov Rekhter wrote:

> ...
> There are several differences between tag switching and Ipsilon IP
> switching. For one thing, tag switching supports much broader
> spectrum of forwarding granularities than Ipsilon IP switching.
> Another difference is that with Ipsilon IP switching creation of
> "VPI/VCI-like tags" is traffic driven, while with tag switching tags
> are created as a "by-product" of routing. There are other differences
> as well, but to keep this short I wouldn't go into more details.
> ...

Yakov,

Ipsilon could easily refine its protocols to support the kind of
granularities you have mentioned.  In short, tag switch is essentially
extensions of the existing Ipsilon protocols.

-Jeff