The MPLS WG Archive

["chetan kumar s" <chetan.kumar@wipro.com>]

On Fri, 25 Oct 2002 neil.2.harrison@bt.com wrote:

> Chetan,
>
> What about LDP and the desire to do a sort-of TE function using ECMP?  This
> would seem to somewhat negate the intention of ingress 1-shot route/policy

Neil,
	In understand these points (which are expectional for EC TE
functionalities). My response was *in principle* how packet
filtering/policy routing gets translates to LSP's in MPLS network..

Thanks
Chetan S

> selection.  Also check out LSP-Ping which changes an IP address in an
> attempt to exercise the different ECMP-selected routings.
>
> regards, Neil
>
> > -----Original Message-----
> > From: chetan kumar s [mailto:chetan.kumar@wipro.com]
> > Sent: 25 October 2002 07:34
> > To: Sachin Kalra
> > Cc: mpls
> > Subject: Re: Does a labeled packet go through "Packet Filtering/Policy
> > Routing/Filter Based Forwarding"?
> >
> >
> > On Thu, 24 Oct 2002, Sachin Kalra wrote:
> >
> > > Dear MPLS Community:
> > >
> > > A quick question. Does a labeled packet go through "Packet
> > Filtering/Policy
> > > Routing/Filter Based Forwarding"?
> >
> > Yes, the labeled packets go through "Packet Filtering/Policy
> > Routing/Filter Based Forwarding". But unlike regular IP
> > forwarding that
> > requires these rules to be applied at every nodes, in case of
> > MPLS these
> > rules can be applied at one single node. And rest is done by the MPLS
> > network.
> > 	In MPLS each packet is assigned to an FEC (Forward Equivalent
> > Class). Once this is done, only at the ingress, the packets are labled
> > and rest of the network identifies the packet based on this
> > label. One can
> > assign packet to a FEC based on IP dest address combined
> > with Filtering/Policy based rules.
> >
> > Thanks
> > Chetan S
> >
> >
> > >
> > > Thanks,
> > > Sachin Kalra
> > >
> >
> > --
> > ------------
> > Thinking is progress, non thinking is destruction of
> > individual, organization
> > and nation
> >
> > -Abdul Kalam
> >
>

-- 
------------
Thinking is progress, non thinking is destruction of individual, organization
and nation

-Abdul Kalam