The MPLS WG Archive

["Gray, Eric" <egray@celoxnetworks.com>]

Shahram,

	I am not sure why you say this.  Certainly we
can support Differentiated IP services, over MPLS, 
without the need to rely on Layer 2 priority or VLAN 
capability.

Eric W. Gray
Systems Architect
Celox Networks, Inc.
egray@celoxnetworks.com
508 305 7214


> -----Original Message-----
> From: Shahram Davari [mailto:Shahram_Davari@pmc-sierra.com]
> Sent: Monday, October 21, 2002 10:46 AM
> To: 'Vishal M'; mpls@UU.NET
> Subject: RE: DiffServ MPLS over Ethernet (L-LSP vs E-LSP)
> 
> Diffserv is not supported for non-802.1q networks.
> 
> -Shahram
> 
> > -----Original Message-----
> > From: Vishal M [mailto:vishal_study@yahoo.com]
> > Sent: Friday, October 18, 2002 10:03 PM
> > To: mpls@UU.NET
> > Subject: DiffServ MPLS over Ethernet (L-LSP vs E-LSP)
> >
> >
> >
> > Hi,
> >
> > If someone wants to use MPLS over ethernet and support
> > DiffServ extensions for MPLS (i.e MPLS DS TE), can one
> > still choose between using E-LSP or L-LSPs ?
> >
> > The reason for the doubt is:
> > The Ethernet header (like ATM) doesn't have any QoS
> > information field (unless 802.1q is supported). So
> > does that imply that E-LSP can't be used when ethernet
> > is the underlying media (and 802.1q is not supported).
> >
> > Is L-LSP the only choice then?
> >
> > Thanks for your inputs,
> >
> > Regards,
> > Vishal.
> >
> >
> > __________________________________________________
> > Do you Yahoo!?
> > Y! Web Hosting - Let the expert host your web site
> > http://webhosting.yahoo.com/
> >