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Reservation DiffServ MPLS (E-LSP & L-LSP)

  • From: Nabil Seddigh <nseddigh@tropicnetworks.com>
  • Date: Thu, 21 Nov 2002 11:40:03 -0500
  • CC: "Francois Le Faucheur (flefauch)" <flefauch@cisco.com>, curtis@fictitious.org, Sasha Vainshtein <Sasha@AXERRA.com>, Vishal M <vishal_study@yahoo.com>, mpls@UU.NET, Shahram Davari <Shahram_Davari@pmc-sierra.com>
  • Organization: Tropic Networks
  • X-OriginalArrivalTime: 21 Nov 2002 16:40:03.0409 (UTC) FILETIME=[A40D1C10:01C2917C]


Bin,

The following draft proposes a way to support signaling of 
bandwidth for multiple OAs in an LSP:

http://www.ietf.org/internet-drafts/draft-ganti-mpls-diffserv-elsp-02.txt

Nabil Seddigh
nseddigh@tropicnetworks.com


Bin Zhou wrote:
> 
> Hello,
> 
> I have a question about how to reserve bandwidth for a tunnel (mutiple OA)
> with E-LSP or L-LSP using rsvp.
> 
> As I understand it, we can reserve bandwidth for an LSP (single OA) with
> E-LSP or L-LSP using rsvp.
> 
> - In E-LSP case, we cann't support mutiple Sender_TSPEC (one TSPEC for one
> OA,  one RSPEC for one TSPEC, but only one TSPEC in the PATH message).
> - In L-LSP case, we cann't support mutiple OA in one LSP (one LSP for one
> OA).
> 
> In another words, my question is how to signal bandwidth for mutiple OA in
> one E-LSP, or wheather it is possible to have mutiple LSP  in one tunnel.
> 
> Thanks.
> 
> Bin ZHou