draft-ietf-tewg-interas-mpls-te-req-05.txt   draft-ietf-tewg-interas-mpls-te-req-06.txt 
IETF Internet Draft Raymond Zhang, Editor IETF Internet Draft Raymond Zhang, Editor
Internet Engineering Task Force Infonet Services Corporation Internet Engineering Task Force Infonet Services Corporation
Document: JP Vasseur, Co-Editor Document: JP Vasseur, Co-Editor
draft-ietf-tewg-interas-mpls-te-req-05.txt CISCO Systems, Inc draft-ietf-tewg-interas-mpls-te-req-06.txt CISCO Systems, Inc
January 2004 January 2004
Expires: July 2004 Expires: July 2004
MPLS Inter-AS Traffic Engineering requirements MPLS Inter-AS Traffic Engineering requirements
draft-ietf-tewg-interas-mpls-te-req-05.txt draft-ietf-tewg-interas-mpls-te-req-06.txt
Status of this Memo Status of this Memo
This document is an Internet-Draft and is in full conformance with This document is an Internet-Draft and is in full conformance with
all provisions of Section 10 of RFC2026. Internet-Drafts are Working all provisions of Section 10 of RFC2026. Internet-Drafts are Working
documents of the Internet Engineering Task Force (IETF), its areas, documents of the Internet Engineering Task Force (IETF), its areas,
and its working groups. Note that other groups may also distribute and its working groups. Note that other groups may also distribute
working documents as Internet-Drafts. working documents as Internet-Drafts.
Internet-Drafts are draft documents valid for a maximum of six Internet-Drafts are draft documents valid for a maximum of six
skipping to change at page 16, line 22 skipping to change at page 16, line 22
In the examples above, being able to set up diversely routed TE LSPs In the examples above, being able to set up diversely routed TE LSPs
becomes a requirement for inter-AS TE. becomes a requirement for inter-AS TE.
The solution SHOULD be able to set up a set of link/SRLG/Node The solution SHOULD be able to set up a set of link/SRLG/Node
diversely routed inter-AS TE LSPs. diversely routed inter-AS TE LSPs.
5.1.5. Re-optimization 5.1.5. Re-optimization
Once an inter-AS TE LSP has been established and should there be any Once an inter-AS TE LSP has been established and should there be any
resource or other changes inside anyone of transiting ASes, the resource or other changes inside anyone of the ASes, the
solution MUST be able to re-optimize the LSP accordingly and solution MUST be able to re-optimize the LSP accordingly and
non-disruptively, either upon expiration of a configurable timer or non-disruptively, either upon expiration of a configurable timer or
triggered by a network event or a manual request at the TE tunnel triggered by a network event or a manual request at the TE tunnel
Head-end. Head-end.
The solution SHOULD provide an option for the Head-End LSRs to The solution SHOULD provide an option for the Head-End LSRs to
control if re-optimizing or not should there exist a more optimal control if re-optimizing or not should there exist a more optimal
path in one of the ASes. path in one of the ASes.
In the case of an identical set of traversed path, the solution In the case of an identical set of traversed path, the solution
 End of changes. 

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