The MPLS WG Archive

["Metz, Eduard" <Eduard.Metz@KPNQwest.com>]

Most current MPLS implement either:
- topology driven LSP setup, based on the IP routing table;
- request driven LSP setup, typically this is used for TE purposes.

As far as I know traffic driven has been used only in e.g. Ipsilon's IP
switching which can be seen as a pre-decessor of what currently is known as
MPLS.

By the way: traffic-driven would mean, the LSP is setup based on the arrival
of traffic. This is slightly different from what you described below. An
edge LSR will always inspect the IP header and then place the packet in the
appropriate LSP (independent of the LSP is setup).

cheers,
	Eduard

> -----Original Message-----
> From: Hummel Heinrich [mailto:Heinrich.Hummel@icn.siemens.de]
> Sent: 25 April 2001 14:35
> To: 'MP LS'; MPLS@UU.NET; mpls-ops@mplsrc.com
> Subject: AW: MPLS Trafficdriven
> 
> 
> What you are looking for is a MPLS UNI, where a user may 
> request the establishment of an LSP all by signalling.
> Some work is going on in the MPLS Forum to specify such capability.
> 
> Regards,
> Heinrich Hummel
> Siemens AG
> 
> > -----Urspr> üngliche Nachricht-----
> > Von:	MP LS [SMTP:stagempls@hotmail.com]
> > Gesendet am:	Mittwoch, 25. April 2001 14:29
> > An:	MPLS@UU.NET; mpls-ops@mplsrc.com
> > Betreff:	MPLS Trafficdriven
> > 
> > Hello all,
> > 
> > I have a question. Is there any possibile way to create a 
> fully dynamical 
> > Traffic driven MPLS network. So that when any packet arives 
> at an LSR it 
> > will analyse the IP pakket ads a label in front of it with 
> it combines to a 
> > FEC and then just sent it to the Destination LSR?  Just 
> till now i only 
> > found that you have to ask for an LSP manualy and then the 
> data can be 
> > transported over it.
> > 
> > I hope someone can make this clear for me.
> > 
> > Kind regards,
> > 
> > Niels Sitters
> > 
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