draft-ietf-ccamp-ospf-gmpls-extensions-06.txt   draft-ietf-ccamp-ospf-gmpls-extensions-07.txt 
CCAMP Working Group K. Kompella (Juniper Networks) CCAMP Working Group K. Kompella (Juniper Networks)
Internet Draft Y. Rekhter (Juniper Networks) Internet Draft Y. Rekhter (Juniper Networks)
Expiration Date: October 2002 A. Banerjee (Calient Networks) Expiration Date: November 2002 A. Banerjee (Calient Networks)
J. Drake (Calient Networks) J. Drake (Calient Networks)
G. Bernstein (Ciena) G. Bernstein (Ciena)
D. Fedyk (Nortel Networks) D. Fedyk (Nortel Networks)
E. Mannie (GTS Network) E. Mannie (GTS Network)
D. Saha (Tellium) D. Saha (Tellium)
V. Sharma (Metanoia, Inc.) V. Sharma (Metanoia, Inc.)
OSPF Extensions in Support of Generalized MPLS OSPF Extensions in Support of Generalized MPLS
draft-ietf-ccamp-ospf-gmpls-extensions-06.txt draft-ietf-ccamp-ospf-gmpls-extensions-07.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 Task Force (IETF), its areas, and its working groups. Note that
other groups may also distribute working documents as Internet- other groups may also distribute working documents as Internet-
Drafts. Drafts.
skipping to change at page 7, line 36 skipping to change at page 7, line 36
Descriptor" of [GMPLS-ROUTING]) the Interface Switching Capability Descriptor" of [GMPLS-ROUTING]) the Interface Switching Capability
Descriptor sub-TLV may occur more than once within the Link TLV. Descriptor sub-TLV may occur more than once within the Link TLV.
7. Implications on Graceful Restart 7. Implications on Graceful Restart
The restarting node should follow the OSPF restart procedures [OSPF- The restarting node should follow the OSPF restart procedures [OSPF-
RESTART], and the RSVP-TE restart procedures [GMPLS-RSVP]. RESTART], and the RSVP-TE restart procedures [GMPLS-RSVP].
When a restarting node is going to originate its TE LSAs, the TE LSAs When a restarting node is going to originate its TE LSAs, the TE LSAs
containing Link TLV should be originated with 0 unreserved bandwidth, containing Link TLV should be originated with 0 unreserved bandwidth,
and if the Link has LSC or FSC as its Switching Capability then also Traffic Engineering metric set to 0xffffffff, and if the Link has LSC
with 0 as Max LSP Bandwidth, until the node is able to determine the or FSC as its Switching Capability then also with 0 as Max LSP
amount of unreserved resources taking into account the resources Bandwidth, until the node is able to determine the amount of
reserved by the already established LSPs that have been preserved unreserved resources taking into account the resources reserved by
across the restart. Once the restarting node determines the amount of
unreserved resources, taking into account the resources reserved by
the already established LSPs that have been preserved across the the already established LSPs that have been preserved across the
restart, the node should advertise these resources in its TE LSAs. restart. Once the restarting node determines the amount of unreserved
resources, taking into account the resources reserved by the already
established LSPs that have been preserved across the restart, the
node should advertise these resources in its TE LSAs.
In addition in the case of a planned restart prior to restarting, the In addition in the case of a planned restart prior to restarting, the
restarting node SHOULD originate the TE LSAs containing Link TLV with restarting node SHOULD originate the TE LSAs containing Link TLV with
0 as unreserved bandwidth, and if the Link has LSC or FSC as its 0 as unreserved bandwidth, and if the Link has LSC or FSC as its
Switching Capability then also with 0 as Max LSP Bandwidth. This Switching Capability then also with 0 as Max LSP Bandwidth. This
would discourage new LSP establishment through the restarting router. would discourage new LSP establishment through the restarting router.
Neighbors of the restarting node should continue advertise the actual Neighbors of the restarting node should continue advertise the actual
unreserved bandwidth on the TE links from the neighbors to that node. unreserved bandwidth on the TE links from the neighbors to that node.
 End of changes. 

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