GMPLS OSPF-TE Extensions in support of Flexi-grid DWDM networks
draft-ietf-ccamp-flexible-grid-ospf-ext-05

The information below is for an old version of the document
Document Type Active Internet-Draft (ccamp WG)
Authors Xian Zhang  , Haomian Zheng  , Ramon Casellas  , Oscar de Dios  , Daniele Ceccarelli 
Last updated 2016-08-10
Replaces draft-zhang-ccamp-flexible-grid-ospf-ext
Stream IETF
Intended RFC status Proposed Standard
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Stream WG state WG Consensus: Waiting for Write-Up
Revised I-D Needed - Issue raised by WGLC
Document shepherd Dieter Beller
IESG IESG state I-D Exists
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Send notices to "Dieter Beller" <dieter.beller@nokia.com>
CCAMP Working Group                                          Xian Zhang        
Internet-Draft                                            Haomian Zheng 
Intended status: Standards Track                                 Huawei 
                                                         Ramon Casellas 
                                                                   CTTC 
                                                    O. Gonzalez de Dios 
                                                             Telefonica 
                                                          D. Ceccarelli 
                                                               Ericsson 
Expires: February 10, 2017                              August 10, 2016 
                                               
                                    
     GMPLS OSPF-TE Extensions in support of Flexi-grid DWDM networks 
                                      
              draft-ietf-ccamp-flexible-grid-ospf-ext-05.txt 

Abstract 

   This memo describes the OSPF-TE extensions in support of GMPLS 
   control of networks that include devices that use the new flexible 
   optical grid. 

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   
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   The list of Internet-Draft Shadow Directories can be accessed at   
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  This Internet-Draft will expire on February 10, 2017. 

Copyright Notice 
 
 
 
Zhang et al             Expires February 2017                 [Page 1] 


draft-ietf-ccamp-flexible-grid-ospf-ext-05.txt              August 2016 
    

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Table of Contents 

   1. Introduction ................................................. 2 
   2. Terminology .................................................. 3 
      2.1. Conventions Used in this Document ....................... 3 
   3. Requirements for Flexi-grid Routing .......................... 3 
      3.1. Available Frequency Ranges .............................. 4 
      3.2. Application Compliance Considerations ................... 5 
      3.3. Comparison with Fixed-grid DWDM Links ................... 6 
   4. Extensions ................................................... 7 
      4.1. ISCD Extensions for Flexi-grid .......................... 7 
         4.1.1. Switching Capability Specific Information (SCSI).... 8 
         4.1.2. An SCSI Example ................................... 10 
      4.2. Extensions to Port Label Restriction sub-TLV ........... 12 
   5. IANA Considerations ......................................... 13 
      5.1. New Switching Type ..................................... 13 
      5.2. New Sub-TLV ............................................ 13 
   6. Implementation Status ....................................... 14 
      6.1. Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)14 
   7. Acknowledgments ............................................. 15 
   8. Security Considerations ..................................... 15 
   9. Contributors' Addresses ..................................... 15 
   10. References  ................................................ 16 
      10.1. Normative References .................................. 16 
      10.2. Informative References ................................ 16 
   Authors' Addresses  ............................................ 17 
    
    

1. Introduction 

   [G.694.1] defines the Dense Wavelength Division Multiplexing (DWDM) 
   frequency grids for Wavelength Division Multiplexing (WDM) 
   applications.  A frequency grid is a reference set of frequencies 
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