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Difrentiation betenn protocols

  • From: "Yaron E" <yarie23@hotmail.com>
  • Date: Sat, 13 Apr 2002 18:10:48 +0200
  • X-OriginalArrivalTime: 13 Apr 2002 15:10:59.0936 (UTC) FILETIME=[6B635600:01C1E2FD]
  • X-Originating-IP: [139.92.208.151]

Hi all,
I am a bit confused of the major responsibilities of MPLS protocols.
Would it be right to say that:
1. Before LSP is created, we need a IGP routing table based on
OSPF/IS-IS/CSPF (CSPF would be OSPF with some extensions)
2. simple LSPs are created based on LDP (DOD or DOU) via LDP protocol, no
signaling is necessary? (RSVP/CR-LDP)
3. if we want to create a tunnel with administrator constraints, like
explicit path, we would need path signaling like RSVP/CR-LDP?

Am I totally out of the loop here or not? :-)

Thanks,

Yaron