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AW: MPLS Multicast - Forwarding Plane

  • From: Hummel Heinrich <Heinrich.Hummel@icn.siemens.de>
  • Date: Wed, 7 Mar 2001 10:58:13 +0100
  • Cc: "'mpls'" <mpls@UU.NET>
  • X-MIME-Autoconverted: from quoted-printable to 8bit by cell.onecall.net id EAA03539

Because not every NHLFE, i.e. not every LSR, can support Multicast, I expressed my regrets some time ago not to have a "Multicast-Bit" in the label  
(nor in G-MPLS labels).

Heinrich Hummel

> -----Urspr> üngliche Nachricht-----
> Von:	Dirk Ooms [SMTP:Dirk.Ooms@alcatel.be]
> Gesendet am:	Montag, 12. Februar 2001 12:42
> An:	davidm@galileo.co.il
> Cc:	'mpls'
> Betreff:	Re: MPLS Multicast - Forwarding Plane
> 
> David,
> 
> Can you be more specific on the detail you are looking for?
> 
> dirk
> 
> David Melman wrote:
> > 
> > RFC 3031 MPLS Architecture briefly mentions the forwarding plane processing in section 4.8. "MPLS and Multicast":
> > 
> > "When a multicast labeled packet arrives, the NHLFE corresponding to the label indicates the set of output interfaces for that packet, as well as the outgoing label.  If the same label encoding technique is used on all the outgoing interfaces, the very same packet can be sent to all the children."
> > 
> > Is this addressed in any more detail in any other draft?
> > 
> > Thanks,
> > 
> > David
> 
> --