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RSVP-TE: How to use "Tunnel Sender Address"?

  • From: David Charlap <David.Charlap@marconi.com>
  • Date: Mon, 17 Jun 2002 13:24:35 -0400
  • CC: mpls@UU.NET, "Senthil K. Venkatachalam" <svenkatachalam@opnet.com>

Bin Zhou wrote:
> 
> In the quadruple (Src, Dst, Tunnel, LSP-id) you mentioned, the Src
> can be provided either by Extended Tunnel ID field or Tunnel Sender
> Address field.

No.  Only the tunnel sender address.

The extended tunnel ID does not have to be a valid IP address.  If you
assume it is, your code will not be compliant with the standard.

> Can I use one of the two fields as a FEC for a host address since
> there isn't a FEC element in RSVP-TE?

The entire concept of a FEC is alien to RSVP-TE.  I strongly recommend
that you do not try to shoehorn LDP concepts into RSVP.  It will only
lead to confusion and buggy code.

-- David