draft-ietf-mpls-rsvp-unnum-04.txt   draft-ietf-mpls-rsvp-unnum-05.txt 
Network Working Group Kireeti Kompella Network Working Group Kireeti Kompella
Internet Draft Juniper Networks Internet Draft Juniper Networks
Expiration Date: August 2002 Yakov Rekhter Expiration Date: August 2002 Yakov Rekhter
Juniper Networks Juniper Networks
Signalling Unnumbered Links in RSVP-TE Signalling Unnumbered Links in RSVP-TE
draft-ietf-mpls-rsvp-unnum-04.txt draft-ietf-mpls-rsvp-unnum-05.txt
1. Status of this Memo 1. 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. all provisions of Section 10 of RFC2026.
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF), its areas, and its working groups. Note that other Task Force (IETF), its areas, and its working groups. Note that other
groups may also distribute working documents as Internet-Drafts. groups may also distribute working documents as Internet-Drafts.
skipping to change at page 4, line 40 skipping to change at page 4, line 40
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The Type is 4 (Unnumbered Interface ID). The Length is 12. The Type is 4 (Unnumbered Interface ID). The Length is 12.
The Interface ID is the identifier assigned to the link by the LSR The Interface ID is the identifier assigned to the link by the LSR
specified by the router ID. specified by the router ID.
6.1. Processing the IF_ID RSVP_HOP object 6.1. Processing the IF_ID RSVP_HOP object
When an LSR receives a Path message containing the IF_ID RSVP_HOP When an LSR receives a Path message containing the IF_ID RSVP_HOP
object (see [GMPLS-RSVP]) with the IF_INDEX TLV, the LSR processes object (see [GMPLS-RSVP], [GMPLS-SIG]) with the IF_INDEX TLV, the LSR
this TLV as follows. The LSR must have information about the processes this TLV as follows. The LSR must have information about
identifiers assigned by its neighbors to the unnumbered links between the identifiers assigned by its neighbors to the unnumbered links
the neighbors and the LSR. The LSR uses this information to find a between the neighbors and the LSR. The LSR uses this information to
link with tuple <Router ID, local identifier> matching the tuple <IP find a link with tuple <Router ID, local identifier> matching the
Address, Interface ID> carried in the IF_INDEX TLV. If the matching tuple <IP Address, Interface ID> carried in the IF_INDEX TLV. If the
tuple is found, the match identifies the link for which the LSR has matching tuple is found, the match identifies the link for which the
to perform label allocation. LSR has to perform label allocation.
Otherwise, the LSR SHOULD return an error. Otherwise, the LSR SHOULD return an error using the IF_ID ERROR_SPEC
object (see [GMPLS-RSVP], [GMPLS-SIG]). The Error code in the object
is set to [TBD]. The Error value in the object is set to [TBD].
6.2. Processing the ERO object 6.2. Processing the ERO object
The Unnumbered Interface ID subobject is defined to be a part of a The Unnumbered Interface ID subobject is defined to be a part of a
particular abstract node if that node has the Router ID that is equal particular abstract node if that node has the Router ID that is equal
to the Router ID field in the subobject, and if the node has an to the Router ID field in the subobject, and if the node has an
(unnumbered) link or an (unnumbered) Forwarding Adjacency whose local (unnumbered) link or an (unnumbered) Forwarding Adjacency whose local
identifier (from that node's point of view) is equal to the value identifier (from that node's point of view) is equal to the value
carried in the Interface ID field of the subobject. carried in the Interface ID field of the subobject.
skipping to change at page 7, line 34 skipping to change at page 7, line 34
[GMPLS-ISIS] Kompella, K., Rekhter, Y., Banerjee, A. et al, "IS-IS [GMPLS-ISIS] Kompella, K., Rekhter, Y., Banerjee, A. et al, "IS-IS
Extensions in Support of Generalized MPLS", draft-ietf-isis-gmpls- Extensions in Support of Generalized MPLS", draft-ietf-isis-gmpls-
extensions-02.txt (work in progress) extensions-02.txt (work in progress)
[GMPLS-OSPF] Kompella, K., Rekhter, Y., Banerjee, A. et al, "OSPF [GMPLS-OSPF] Kompella, K., Rekhter, Y., Banerjee, A. et al, "OSPF
Extensions in Support of Generalized MPLS", draft-ietf-ccamp-ospf- Extensions in Support of Generalized MPLS", draft-ietf-ccamp-ospf-
gmpls-extensions-00.txt (work in progress) gmpls-extensions-00.txt (work in progress)
[GMPLS-RSVP] Ashwood, P., et al., "Generalized MPLS Signalling RSVP- [GMPLS-RSVP] Ashwood, P., et al., "Generalized MPLS Signalling RSVP-
TE Extensions", draft-ietf-mpls-generalized-rsvp-te-04.txt TE Extensions", draft-ietf-mpls-generalized-rsvp-te-04.txt (work in
progress)
[GMPLS-SIG] Ashwood, P., et al, "Generalized MPLS - Signaling
Functional Description", draft-ietf-mpls-generalized-signaling-07.txt
(work in progress)
12. Author Information 12. Author Information
Kireeti Kompella Kireeti Kompella
Juniper Networks, Inc. Juniper Networks, Inc.
1194 N. Mathilda Ave. 1194 N. Mathilda Ave.
Sunnyvale, CA 94089 Sunnyvale, CA 94089
e-mail: kireeti@juniper.net e-mail: kireeti@juniper.net
Yakov Rekhter Yakov Rekhter
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