--- 1/draft-ietf-ccamp-rwa-wson-encode-17.txt 2012-09-29 01:14:11.973425423 +0200 +++ 2/draft-ietf-ccamp-rwa-wson-encode-18.txt 2012-09-29 01:14:12.029425311 +0200 @@ -1,24 +1,24 @@ Network Working Group G. Bernstein Internet Draft Grotto Networking Intended status: Standards Track Y. Lee Expires: March 2013 D. Li Huawei W. Imajuku NTT - September 5, 2012 + September 28, 2012 Routing and Wavelength Assignment Information Encoding for Wavelength Switched Optical Networks - draft-ietf-ccamp-rwa-wson-encode-17.txt + draft-ietf-ccamp-rwa-wson-encode-18.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. @@ -27,21 +27,21 @@ 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 5, 2013. + This Internet-Draft will expire on March 28, 2013. Copyright Notice 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 @@ -80,34 +80,35 @@ Table of Contents 1. Introduction...................................................4 1.1. Revision History..........................................4 1.1.1. Changes from 00 draft................................4 1.1.2. Changes from 01 draft................................5 1.1.3. Changes from 02 draft................................5 1.1.4. Changes from 03 draft................................5 1.1.5. Changes from 04 draft................................5 1.1.6. Changes from 05 draft................................5 - 1.1.7. Changes from 06 draft................................5 + 1.1.7. Changes from 06 draft................................6 1.1.8. Changes from 07 draft................................6 1.1.9. Changes from 08 draft................................6 1.1.10. Changes from 09 draft...............................6 1.1.11. Changes from 10 draft...............................6 1.1.12. Changes from 11 draft...............................6 1.1.13. Changes from 12 draft...............................6 - 1.1.14. Changes from 13 draft...............................6 + 1.1.14. Changes from 13 draft...............................7 1.1.15. Changes from 14 draft...............................7 1.1.16. Changes from 15 draft...............................7 1.1.17. Changes from 16 draft...............................7 + 1.1.18. Changes from 17 draft...............................7 2. Terminology....................................................7 3. Resources, Blocks, Sets, and the Resource Pool.................8 - 3.1. Resource Block Set Field..................................8 + 3.1. Resource Block Set Field..................................9 4. Resource Pool Accessibility/Availability......................10 4.1. Resource Pool Accessibility Sub-TLV......................10 4.2. Resource Block Wavelength Constraints Sub-TLV............12 4.3. Resource Pool State Sub-TLV..............................14 4.4. Block Shared Access Wavelength Availability sub-TLV......15 5. Resource Properties Encoding..................................16 5.1. Resource Block Information Sub-TLV.......................17 5.2. Optical Interface Class List(s) Sub-Sub-TLV..............17 5.2.1. Optical Interface Class Format......................18 5.2.2. ITU-G.698.1 Application Code Mapping................19 @@ -122,21 +123,21 @@ APPENDIX A: Encoding Examples....................................28 A.1. Wavelength Converter Accessibility Sub-TLV...............28 A.2. Wavelength Conversion Range Sub-TLV......................30 A.3. An OEO Switch with DWDM Optics...........................30 9. References....................................................33 9.1. Normative References.....................................33 9.2. Informative References...................................33 10. Contributors.................................................35 Authors' Addresses...............................................36 Intellectual Property Statement..................................37 - Disclaimer of Validity...........................................37 + Disclaimer of Validity...........................................38 1. Introduction A Wavelength Switched Optical Network (WSON) is a Wavelength Division Multiplexing (WDM) optical network in which switching is performed selectively based on the center wavelength of an optical signal. [RFC6163] describes a framework for Generalized Multiprotocol Label Switching (GMPLS) and Path Computation Element (PCE) control of a @@ -279,20 +281,28 @@ type. Fixed versioning error and return RB identifiers to 32 bits. 1.1.16. Changes from 15 draft Edits of OIC related text per CCAMP list email. 1.1.17. Changes from 16 draft Added full ITU-T string to 64 bit mapping to text from OIC draft. + 1.1.18. Changes from 17 draft + + Action value for Inclusive Range(s) changed to 1 from 2 for the + Resource Block Set Field encoding in Section 3.1. + + Added a list of contributors who provided texts for the Optical + Interface Class (OIC) description. + 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 @@ -325,29 +335,28 @@ fundamental unit of identifiable resource in this document is the "resource block". A resource block may contain one or more resources. As resource blocks are the smallest identifiable unit of processing resource, one should group together resources into blocks if they have similar characteristics relevant to the optical system being modeled, e.g., processing properties, accessibility, etc. This document defines the following sub-TLVs pertaining to resources within an optical node: - . Resource Pool Accessibility Sub-TLV - - . Resource Block Wavelength Constraints Sub-TLV + Resource Pool Accessibility Sub-TLV - . Resource Pool State Sub-TLV + Resource Block Wavelength Constraints Sub-TLV - . Block Shared Access Wavelength Availability Sub-TLV + Resource Pool State Sub-TLV + Block Shared Access Wavelength Availability Sub-TLV - . Resource Block Information Sub-TLV + Resource Block Information Sub-TLV Each of these sub-TLVs works with one or more sets of resources rather than just a single resource block. This motivates the following field definition. 3.1. Resource Block Set Field In a WSON node that includes resource blocks (RB), denoting subsets of these blocks allows one to efficiently describe common properties of the blocks and to describe the structure and characteristics, if @@ -368,21 +377,21 @@ | RB Identifier n | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Action: 8 bits 0 - Inclusive List Indicates that the TLV contains one or more RB elements that are included in the list. - 2 - Inclusive Range(s) + 1 - Inclusive Range(s) Indicates that the TLV contains one or more ranges of RBs. Each individual range is denoted by two 16 bit RB identifiers in a 32 bit word. The first 16 bits is the RB identifier for the start of the range and the next 16 bits is the RB identifier for the end of the range. Note that the Length field is used to determine the number of ranges. C (Connectivity bit): Set to 0 to denote fixed (possibly multi- cast) connectivity; Set to 1 to denote potential (switched) @@ -1396,38 +1405,53 @@ Pierre Peloso ALU Email: pierre.peloso@alcatel-lucent.com Cyril Margaria NSN Email: cyril.margaria@nsn.com + Giovanni Martinelli + Cisco + Email: giomarti@cisco.com + + Gabriele M Galimberti + Cisco + Email: ggalimbe@cisco.com + + Lyndon Ong + Ciena Corporation + Email: lyong@ciena.com + + Daniele Ceccarelli + Ericsson + Email: daniele.ceccarelli@ericsson.com + Authors' Addresses Greg M. Bernstein (ed.) Grotto Networking Fremont California, USA Phone: (510) 573-2237 Email: gregb@grotto-networking.com Young Lee (ed.) Huawei Technologies - 1700 Alma Drive, Suite 100 - Plano, TX 75075 + 5340 Legacy Drive Build 3 + Plano, TX 75024 USA - Phone: (972) 509-5599 (x2240) - Email: ylee@huawei.com - + Phone: (469) 277-5838 + Email: leeyoung@huawei.com Dan Li Huawei Technologies Co., Ltd. F3-5-B R&D Center, Huawei Base, Bantian, Longgang District Shenzhen 518129 P.R.China Phone: +86-755-28973237 Email: danli@huawei.com Wataru Imajuku