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interdomain LSP setup

  • From: "Taner OKUMUS" <iokumus@mailbox.syr.edu>
  • Date: Sun, 26 Nov 2000 22:32:41 -0500

I have a general question.
I understand that LSP setup in an autonomous domain is well-defined. Owner
of the domain can setup end-to-end ( ingress to egress) LSPs inside the
domain.
How does interdomain transfers handled? Suppose I want to setup an LSP
passing through 2 different ASs and ends up in some subnets in the second
domain. Each domain uses LDP or RSVP to distribute the label between ingress
and egress of that domain. Then each domain can setup LSPs in their domain.
What happens between the egress of the first domain and the ingress of the
second domain? To put inanother way, does LSPs end-to-end in an AS or are
they end-to-end in the system ( meaning from one ingress of a domain to
egress of another domain) ?


Taner