--- 1/draft-ietf-ccamp-rwa-info-13.txt 2012-03-07 19:13:56.986701297 +0100 +++ 2/draft-ietf-ccamp-rwa-info-14.txt 2012-03-07 19:13:57.030670856 +0100 @@ -1,25 +1,25 @@ Network Working Group Y. Lee Internet Draft Huawei Intended status: Informational G. Bernstein -Expires: April 2012 Grotto Networking +Expires: September 2012 Grotto Networking D. Li Huawei W. Imajuku NTT - October 31, 2011 + March 6, 2012 Routing and Wavelength Assignment Information Model for Wavelength Switched Optical Networks - draft-ietf-ccamp-rwa-info-13.txt + draft-ietf-ccamp-rwa-info-14.txt Status of this Memo This Internet-Draft is submitted to IETF in full conformance with the provisions of BCP 78 and BCP 79. Internet-Drafts are working documents of the Internet Engineering Task Force (IETF), its areas, and its working groups. Note that other groups may also distribute working documents as Internet- Drafts. @@ -28,25 +28,25 @@ months and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." The list of current Internet-Drafts can be accessed at http://www.ietf.org/ietf/1id-abstracts.txt The list of Internet-Draft Shadow Directories can be accessed at http://www.ietf.org/shadow.html - This Internet-Draft will expire on March 31, 2012. + This Internet-Draft will expire on September 6, 2012. Copyright Notice - Copyright (c) 2011 IETF Trust and the persons identified as the + Copyright (c) 2012 IETF Trust and the persons identified as the document authors. All rights reserved. This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described in Section 4.e of the Trust Legal Provisions and are provided without @@ -73,48 +73,50 @@ 1.1.3. Changes from 03......................................5 1.1.4. Changes from 04......................................5 1.1.5. Changes from 05......................................5 1.1.6. Changes from 06......................................5 1.1.7. Changes from 07......................................5 1.1.8. Changes from 08......................................5 1.1.9. Changes from 09......................................5 1.1.10. Changes from 10.....................................6 1.1.11. Changes from 11.....................................6 1.1.12. Changes from 12.....................................6 + 1.1.13. Changes from 13.....................................6 2. Terminology....................................................6 3. Routing and Wavelength Assignment Information Model............7 3.1. Dynamic and Relatively Static Information.................7 + 4. Node Information (General).....................................8 4.1. Connectivity Matrix.......................................8 4.2. Shared Risk Node Group....................................9 5. Node Information (WSON specific)...............................9 - 5.1. Resource Accessibility/Availability......................10 + 5.1. Resource Accessibility/Availability......................11 5.2. Resource Signal Constraints and Processing Capabilities..14 5.3. Compatibility and Capability Details.....................15 5.3.1. Shared Input or Output Indication...................15 5.3.2. Modulation Type List................................15 5.3.3. FEC Type List.......................................15 5.3.4. Bit Rate Range List.................................15 5.3.5. Acceptable Client Signal List.......................16 5.3.6. Processing Capability List..........................16 6. Link Information (General)....................................16 6.1. Administrative Group.....................................17 6.2. Interface Switching Capability Descriptor................17 6.3. Link Protection Type (for this link).....................17 6.4. Shared Risk Link Group Information.......................17 6.5. Traffic Engineering Metric...............................17 6.6. Port Label (Wavelength) Restrictions.....................18 6.6.1. Port-Wavelength Exclusivity Example.................19 7. Dynamic Components of the Information Model...................21 7.1. Dynamic Link Information (General).......................21 7.2. Dynamic Node Information (WSON Specific).................21 - 8. Security Considerations.......................................21 + 8. Security Considerations.......................................22 9. IANA Considerations...........................................22 10. Acknowledgments..............................................22 11. References...................................................23 11.1. Normative References....................................23 11.2. Informative References..................................24 12. Contributors.................................................25 Author's Addresses...............................................26 Intellectual Property Statement..................................26 Disclaimer of Validity...........................................27 @@ -249,20 +251,27 @@ Section 5.2: Clarified RBNF optional elements for several definitions. Section 5.3.6: Clarified RBNF optional elements for . Editorial changes for clarity. Update the contributor list. +1.1.13. Changes from 13 + + Section 7.1: Clarified that this information model does not dictate + placement of information elements in protocols. In particular, added + a caveat that the available label information element may be placed + within the ISCD information element in the case of OSPF. + 2. Terminology CWDM: Coarse Wavelength Division Multiplexing. DWDM: Dense Wavelength Division Multiplexing. FOADM: Fixed Optical Add/Drop Multiplexer. ROADM: Reconfigurable Optical Add/Drop Multiplexer. A reduced port count wavelength selective switching element featuring input and @@ -916,20 +926,27 @@ restrictions one can also determine which wavelengths are currently in use. This parameter could potential be used with other technologies that GMPLS currently covers or may cover in the future. SharedBackupLabels is a set of labels (wavelengths) currently used for shared backup protection on the link. An example usage of this information in a WSON setting is given in [Shared]. This parameter could potential be used with other technologies that GMPLS currently covers or may cover in the future. + Note that the above does not dictate a particular encoding or + placement for available label information. In some routing protocols + it may be advantageous or required to place this information within + another information element such as the interface switching + capability descriptor (ISCD). Consult routing protocol specific + extensions for details of placement of information elements. + 7.2. Dynamic Node Information (WSON Specific) Currently the only node information that can be considered dynamic is the resource pool state and can be isolated into a dynamic node information element as follows: ::= [] 8. Security Considerations