draft-ietf-mpls-generalized-cr-ldp-02.txt   draft-ietf-mpls-generalized-cr-ldp-03.txt 
Network Working Group Peter Ashwood-Smith (Nortel Networks Corp.) Network Working Group Peter Ashwood-Smith (Nortel Networks Corp.)
Internet Draft Ayan Banerjee (Calient Networks) Internet Draft Ayan Banerjee (Calient Networks)
Expiration Date: October 2001 Lou Berger (Movaz Networks) Expiration Date: November 2001 Lou Berger (Movaz Networks)
Greg Bernstein (Ciena Corporation) Greg Bernstein (Ciena Corporation)
John Drake (Calient Networks) John Drake (Calient Networks)
Yanhe Fan (Axiowave Networks) Yanhe Fan (Axiowave Networks)
Kireeti Kompella (Juniper Networks, Inc.) Kireeti Kompella (Juniper Networks, Inc.)
Eric Mannie (EBONE) Eric Mannie (EBONE)
Jonathan P. Lang (Calient Networks) Jonathan P. Lang (Calient Networks)
Bala Rajagopalan (Tellium, Inc.) Bala Rajagopalan (Tellium, Inc.)
Yakov Rekhter (Juniper Networks, Inc.) Yakov Rekhter (Juniper Networks, Inc.)
Debanjan Saha (Tellium, Inc.) Debanjan Saha (Tellium, Inc.)
Vishal Sharma (Jasmine Networks) Vishal Sharma (Jasmine Networks)
George Swallow (Cisco Systems) George Swallow (Cisco Systems)
Z. Bo Tang (Tellium, Inc.) Z. Bo Tang (Tellium, Inc.)
April 2001 May 2001
Generalized MPLS Signaling - CR-LDP Extensions Generalized MPLS Signaling - CR-LDP Extensions
draft-ietf-mpls-generalized-cr-ldp-02.txt draft-ietf-mpls-generalized-cr-ldp-03.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.
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and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
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To view the current status of any Internet-Draft, please check the
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Abstract Abstract
This document describes extensions to CR-LDP signaling required to This document describes extensions to CR-LDP signaling required to
support Generalized MPLS. Generalized MPLS extends MPLS to encompass support Generalized MPLS. Generalized MPLS extends MPLS to encompass
time-division (e.g. SONET ADMs), wavelength (optical lambdas) and time-division (e.g. SONET ADMs), wavelength (optical lambdas) and
spatial switching (e.g. incoming port or fiber to outgoing port or spatial switching (e.g. incoming port or fiber to outgoing port or
fiber). This document presents a CR-LDP specific description of the fiber). This document presents a CR-LDP specific description of the
extensions. An RSVP-TE specific description can be found in [GMPLS- extensions. An RSVP-TE specific description can be found in [GMPLS-
RSVP]. A generic functional description is presented in [GMPLS-SIG]. RSVP]. A generic functional description is presented in [GMPLS-SIG].
skipping to change at page 3, line 7 skipping to change at page 3, line 7
5.1 Procedures ................................................ 10 5.1 Procedures ................................................ 10
6 Protection TLV ............................................ 11 6 Protection TLV ............................................ 11
6.1 Procedures ................................................ 12 6.1 Procedures ................................................ 12
7 Acknowledgments ........................................... 12 7 Acknowledgments ........................................... 12
8 Security Considerations ................................... 12 8 Security Considerations ................................... 12
9 References ................................................ 12 9 References ................................................ 12
10 Authors' Addresses ........................................ 13 10 Authors' Addresses ........................................ 13
Changes from previous version: Changes from previous version:
o Removed SONET/SDH specifics. o Fixed Label Set format
o Added Acceptable Label Set
1. Introduction 1. Introduction
Generalized MPLS extends MPLS from supporting packet (PSC) interfaces Generalized MPLS extends MPLS from supporting packet (PSC) interfaces
and switching to include support of three new classes of interfaces and switching to include support of three new classes of interfaces
and switching: Time-Division Multiplex (TDM), Lambda Switch (LSC) and and switching: Time-Division Multiplex (TDM), Lambda Switch (LSC) and
Fiber-Switch (FSC). A functional description of the extensions to Fiber-Switch (FSC). A functional description of the extensions to
MPLS signaling needed to support the new classes of interfaces and MPLS signaling needed to support the new classes of interfaces and
switching is provided in [GMPLS-SIG]. This document presents CR-LDP switching is provided in [GMPLS-SIG]. This document presents CR-LDP
specific formats and mechanisms needed to support all four classes of specific formats and mechanisms needed to support all four classes of
skipping to change at page 7, line 22 skipping to change at page 7, line 22
2.5. Label Set 2.5. Label Set
The format of a Label_Set is: The format of a Label_Set is:
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|U|F| type=0x0905 | Length | |U|F| type=0x0905 | Length |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Reserved | Label Type | Action | | Action | Reserved | Label Type |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Subchannel 1 | | Subchannel 1 |
| ... | | ... |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
: : : : : :
: : : : : :
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Subchannel N | | Subchannel N |
| ... | | ... |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Label Type: 8 bits Label Type: 14 bits
Indicates the type and format of the labels carried in the TLV. Indicates the type and format of the labels carried in the TLV.
Values match the TLV type of the appropriate Label TLV. Values match the TLV type of the appropriate Label TLV.
See [GMPLS-SIG] for a description of other parameters. See [GMPLS-SIG] for a description of other parameters.
2.5.1. Procedures 2.5.1. Procedures
A Label Set is defined via one or more Label_Set TLVs. Specific A Label Set is defined via one or more Label_Set TLVs. Specific
labels/subchannels can be added to or excluded from a Label Set via labels/subchannels can be added to or excluded from a Label Set via
skipping to change at line 639 skipping to change at line 642
Z. Bo Tang Z. Bo Tang
Tellium, Inc. Tellium, Inc.
2 Crescent Place 2 Crescent Place
P.O. Box 901 P.O. Box 901
Oceanport, NJ 07757-0901 Oceanport, NJ 07757-0901
Phone: +1 732 923 4231 Phone: +1 732 923 4231
Fax: +1 732 923 9804 Fax: +1 732 923 9804
Email: btang@tellium.com Email: btang@tellium.com
Generated on: Mon Apr 16 19:49:24 EDT 2001 Generated on: Tue May 1 16:25:40 EDT 2001
 End of changes. 

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