RE: TE Requirements Draft - ELSP

["Choudhury, Sanjaya" <Sanjaya.Choudhury@marconi.com>]

Hi Francois! Are you suggesting that we should restrict
the PHBs being carried on a single E-LSP to a single OA??

Thanks,
sanjay


> -----Original Message-----
> From: Francois Le Faucheur [mailto:flefauch@cisco.com]
> Sent: Monday, November 19, 2001 9:35 AM
> To: Jim Boyle
> Cc: David Charlap; TE WG
> Subject: Re: TE Requirements Draft - ELSP
> 
> 
> Jim,
> 
> At 13:10 16/11/2001 -0500, Jim Boyle wrote:
> 
> >And some packet based equipment would prefer not to use the label for
> >things like queue selection.
> 
> This is exactly why the current "Requirements" document 
> already allows 
> DS-TE operations over E-LSPs (with a single OA per E-LSP). We 
> do not need 
> to change anything for this in the requirements document. Upcoming 
> Requirements draft clarifies this already.
> 
> Cheers
> 
> Francois
> 
> >Allowing the solution to be work for E-LSPs or L-LSPs is probably the
> >right approach.
> >
> >Jim
> >
> >
> >On Fri, 16 Nov 2001, David Charlap wrote:
> >
> > > Nabil Seddigh wrote:
> > > >
> > > > I thought I should get this comment in before the -02 version
> > > > of the Requirements draft emerges. Hopefully the authors will
> > > > consider the following suggestion:
> > > >
> > > > - I think it is useful to put an explicit requirement 
> that the TE
> > > >   solutions need to support both E-LSP and L-LSP. The way the
> > > >   draft reads at the moment, it does not come through clearly.
> > > >   Most of the examples and wording would lead one to 
> believe that
> > > >   the DS-TE solutions should only focus on L-LSP.
> > >
> > > You can't insert this requirement.
> > >
> > > Some hardware platforms (especially those using ATM-style 
> backplanes)
> > > are incapable of implementing E-LSPs.  These platforms 
> can only support
> > > L-LSPs.  It would be wrong to define DS-TE such that 
> these platforms can
> > > never be compliant.
> > >
> > > -- David
> > >
> 
> _________________________________________________________
> Francois Le Faucheur
> Development Engineer, IOS Layer 3 Services
> Cisco Systems
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