The MPLS WG Archive

[Shahram Davari <Shahram_Davari@pmc-sierra.com>]

The label in L-LSP represents only a single OA,
while the label in E-LSP may represent:

- A single BA
- A single OA
- A number of BAs
- A number of OAs
- A number of BAs and OAs

" A set of BAs" is a generic term that applies to all the above cases.

-Shahram

> -----Original Message-----
> From: Vishal M [mailto:vishal_study@yahoo.com]
> Sent: Friday, October 18, 2002 10:35 PM
> To: mpls@UU.NET
> Subject: Ques on RFC 3270 (MPLS Support for DiffServ)
> 
> 
> 
> Hello,
> 
> Question on RFC 3270 (MPLS Support for DiffServ),
> Section 1.5:
> 
> The second paragraph explains about the relationship
> between FEC and set of BAs...
> 
> Why don't we consider the concept of packet ordering
> constaint (i.e. OA) for an E-LSP (say, E-LSP1 and
> E-LSP2) ?
> 
> Assuming we have two E-LSPs from the same source (S)
> to the same destination (D). Now if an incoming
> multimedia packet stream from single source (of voice
> and video traffic) is to be sent to destination (D),
> is it possible to send voice traffic onto E-LSP1 and
> video onto E-LSP2 ? 
> 
> Why in this section, we have associated OAs with
> L-LSPs only (and not with E-LSPs)?
> 
> Thanks for all the inputs and pointers,
> 
> Regards,
> Vishal.
> 
> 
> 
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