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Extension to the Link Management Protocol (LMP/DWDM -rfc4209) for Dense Wavelength Division Multiplexing (DWDM) Optical Line Systems to manage the application code of optical interface parameters in DWDM application
draft-ggalimbe-ccamp-flex-if-lmp-01

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This is an older version of an Internet-Draft whose latest revision state is "Active".
Authors Dharini Hiremagalur , Gert Grammel , Gabriele Galimberti , Ruediger Kunze , Dieter Beller
Last updated 2017-03-13
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draft-ggalimbe-ccamp-flex-if-lmp-01
Internet Engineering Task Force                      D. Hiremagalur, Ed.
Internet-Draft                                           G. Grammel, Ed.
Intended status: Experimental                                    Juniper
Expires: September 14, 2017                           G. Galimberti, Ed.
                                                                   Cisco
                                                                R. Kunze
                                                        Deutsche Telekom
                                                               D. Beller
                                                                   Nokia
                                                          March 13, 2017

Extension to the Link Management Protocol (LMP/DWDM -rfc4209) for Dense
 Wavelength Division Multiplexing (DWDM) Optical Line Systems to manage
the application code of optical interface parameters in DWDM application
                  draft-ggalimbe-ccamp-flex-if-lmp-01

Abstract

   This experimental memo defines extensions to LMP(rfc4209) for
   managing Optical parameters associated with Wavelength Division
   Multiplexing (WDM) adding a set of parameters related to multicarrier
   DWDM interfaces to be used in Spectrum Switched Optical Networks
   (sson).

Copyright Notice

   Copyright (c) 2011 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Status of This Memo

   This Internet-Draft is submitted in full conformance with the
   provisions of BCP 78 and BCP 79.

   Internet-Drafts are working documents of the Internet Engineering
   Task Force (IETF).  Note that other groups may also distribute
   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at http://datatracker.ietf.org/drafts/current/.

   Internet-Drafts are draft documents valid for a maximum of six 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."

   This Internet-Draft will expire on September 14, 2017.

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Copyright Notice

   Copyright (c) 2017 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 warranty as
   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  DWDM line system  . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Use Cases . . . . . . . . . . . . . . . . . . . . . . . . . .   4
   4.  Extensions to LMP-WDM Protocol  . . . . . . . . . . . . . . .   4
   5.  Multi carrier Transceiver . . . . . . . . . . . . . . . . . .   5
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .   6
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   7
   8.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .   7
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   7
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .   7
     9.2.  Informative References  . . . . . . . . . . . . . . . . .   8
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   9

1.  Introduction

   This experimental extension addresses the use cases described by
   "draft-kdkgall-ccamp-dwdm-if-mng-ctrl-fwk-00" to the Spectrum
   Switched Optical Network applications.  LMP [RFC4902] provides link
   property correlation capabilities that can be used between a
   transceiver device and an Optical Line System (OLS) device.  Link
   property correlation is a procedure by which, intrinsic parameters
   and capabilities are exchanged between two ends of a link.  Link
   property correlation as defined in RFC3591 allows either end of the
   link to supervise the received signal and operate within a commonly
   understood parameter window.  Here the term 'link' refers in
   particular to the attachment link between OXC and OLS (see Figure 1).
   The relevant novelty is the interface configuration having a multiple
   carrier where the client signal is spread on.  The parameters
   parameters are not yet fully defined by ITU-T do this document can
   jast be seen as an experimental proposal not binding operators and
   vendors to require and implement them

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2.  DWDM line system

   Figure 1 shows a set of reference points (Rs and Ss), for a single-
   channel connection between transmitter (Tx) and receiver (Rx)
   devices.  Here the DWDM network elements in between those devices
   include an Optical Multiplexer (OM) and an Optical Demultiplexer
   (OD).  In addition it may include one or more Optical Amplifiers (OA)
   and one or more Optical Add-Drop Multiplexers (OADM).

          +-------------------------------------------------+
       Ss |              DWDM Network Elements              | Rs
   +--+ | |  | \                                       / |  |  | +--+
   Tx L1--|->|   \    +------+            +------+   /   |--|-->Rx L1
   +---+  |  |    |   |      |  +------+  |      |  |    |  |    +--+
   +---+  |  | FX |   |      |  | FLEX |  |      |  | FX |  |    +--+
   Tx L2--|->| OM |-->|------|->| OADM |--|------|->| OD |--|-->Rx L2
   +---+  |  |    |   |      |  |      |  |      |  |    |  |    +--+
   +---+  |  |    |   |      |  +------+  |      |  |    |  |    +--+
   Tx L3--|->|   /    | DWDM |    |  ^    | DWDM |   \   |--|-->Rx L3
   +---+  |  | /      | Link +----|--|----+ Link |     \ |  |    +--+
          +-----------+           |  |           +----------+
                               +--+  +--+
                               |        |
                            Rs v        | Ss
                            +-----+  +-----+
                            |RxLx |  |TxLx |
                            +-----+  +-----+

   Ss = Sender reference point at the DWDM network element
        tributary output, this can be a set of multiple transceivers
        carrying the same client payload.
   Rs = Receiver reference point at the DWDM network element
        tributary input this can be a set of multiple transceivers
        carrying the same client payload.

   FX OM = Flex-Spectrum Optical Mux
   FX OD = Flex-Spectrum Optical Demux
   Flex OADM = Flex-Spectrum Optical Add Drop Mux

   extending Fig. 5.1/G.698.2

                 Figure 1: Linear Single Channel approach

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   Figure 2 Extended LMP Model ( from [RFC4209] )

           +------+ Ss    +------+       +------+    Rs +------+
           |      | ----- |      |       |      | ----- |      |
           | OXC1 | ----- | OLS1 | ===== | OLS2 | ----- | OXC2 |
           |      | ----- |      |       |      | ----- |      |
           +------+       +------+       +------+       +------+
             ^  ^             ^              ^             ^  ^
             |  |             |              |             |  |
             |  +-----LMP-----+              +-----LMP-----+  |
             |                                                |
             +----------------------LMP-----------------------+

   OXC     : is an entity that contains Multiple carriers transponders
   OLS     : generic Flex-Spectrum optical system, it can be -
             Optical Mux, Optical Demux, Optical Add
             Drop Mux, Amplifier etc.
   OLS to OLS: represents the Optical Multiplex section
               <xref target="ITU.G709"/>
   Rs/Ss     : reference points in between the OXC and the OLS

                       Figure 2: Extended LMP Model

3.  Use Cases

   The set of paramentes exchanged between is to support the Spectrum
   Switched Optical Network in therms of Number of Sub-carriers
   available at the transceiver , their characteristics to provide the
   SSON control plane all the information suitable to calculate the

4.  Extensions to LMP-WDM Protocol

   This document defines extensions to [RFC4209] to allow a set of
   characteristic parameters, to be exchanged between a router or
   optical switch and the optical line system to which it is attached.
   In particular, this document defines additional Data Link sub-objects
   to be carried in the LinkSummary message defined in [RFC4204] and
   [RFC6205].  The OXC and OLS systems may be managed by different
   Network management systems and hence may not know the capability and
   status of their peer.  These messages and their usage are defined in
   subsequent sections of this document.

     The following new messages are defined for the SSON extension
       - Multi carrier Transceiver   (sub-object Type = TBA)

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5.  Multi carrier Transceiver

   These are a set of general parameters extending the description in
   [G698.2] and [G.694.1].  IYU-T working group are working to detail
   most of parameters and an update of the TLV may be required.

   The general parameters are
    1. Modulation identifier: indicates the Transceiver capabilities
       to support a single or multiple modulation format like:
       BPSK (1), DC-DP-BSPSK, QPSK, DP-QPSK, QAM16, DP-QAM16,
       DC-DP-QAM16
    2. FEC: indicates the FEC types the transceiver can support
    3. baud rate: number of symbols rate, besically this identify the
       channel frequency
    4. Num Carriers: number of subcarriers the trasceiver can support
       and can be "mapped" in a Mediachannel
    5. Bits/symbol: number of bit per simbol (aka spectral efficiency)
    6. Subcarrier band (minimum distance between subcarriers) in GHz
    7. Guard band (required guard band at the side of media channel)
    8. Sub-carrier Power: output optical power the transceiver can
       provide
    9. Sub-carrier OSNR robustness

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   Figure 3: The format of the this sub-object (Type = TBA, Length =
   TBA) is as follows:

    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
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   |    Type       |    Length     |         (Reserved)            |
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   |S|I|         Modulation ID     |               FEC             |
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   |                         baud rate  (Symbol Rate)              |
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   |      Number of subcarriers    |            Bit/Symbol         |
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   |          subcarried band      |           guard band          |
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   |                        sub-carrier power                      |
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   |                        sub-carrier OSNR                       |
   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

     - S: standardized format;
     - I: input / output (1 / 0)
     - Modulation IDs: BPSK (1), DC DP BSPSK, QPSK, DP QPSK, 8QAM
       16QAM, 64QAM
     - FEC
     - baud rate: Symbol Rate IEEE float in bauds/s
     - Num Carriers
     - Bits/symbol
     - Subcarrier band (minimum distance between subcarriers)
     - Guard band (required guard band at the side of media channel)
     - Sub-carrier Power
     - Sub-carrier OSNR robustness

                    Figure 3: Multi carrier Transceiver

6.  Security Considerations

   LMP message security uses IPsec, as described in [RFC4204].  This
   document only defines new LMP objects that are carried in existing
   LMP messages, similar to the LMP objects in [RFC:4209].  This
   document does not introduce new security considerations.

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7.  IANA Considerations

      LMP <xref target="RFC4204"/> defines the following name spaces and
      the ways in which IANA can make assignments to these namespaces:

    -  LMP Message Type
    -  LMP Object Class
    -  LMP Object Class type (C-Type) unique within the Object Class
    -  LMP Sub-object Class type (Type) unique within the Object Class
     This memo introduces the following new assignments:

      LMP Sub-Object Class names:

    under DATA_LINK Class name (as defined in <xref target="RFC4204"/>)
      - Multi carrier Transceiver              (sub-object Type = TBA)

8.  Contributors

        Zafar Ali
           Cisco
           3000 Innovation Drive
           KANATA
           ONTARIO K2K 3E8
           zali@cisco.com</email>

9.  References

9.1.  Normative References

   [RFC4204]  Lang, J., Ed., "Link Management Protocol (LMP)", RFC 4204,
              DOI 10.17487/RFC4204, October 2005,
              <http://www.rfc-editor.org/info/rfc4204>.

   [RFC4209]  Fredette, A., Ed. and J. Lang, Ed., "Link Management
              Protocol (LMP) for Dense Wavelength Division Multiplexing
              (DWDM) Optical Line Systems", RFC 4209,
              DOI 10.17487/RFC4209, October 2005,
              <http://www.rfc-editor.org/info/rfc4209>.

   [RFC6205]  Otani, T., Ed. and D. Li, Ed., "Generalized Labels for
              Lambda-Switch-Capable (LSC) Label Switching Routers",
              RFC 6205, DOI 10.17487/RFC6205, March 2011,
              <http://www.rfc-editor.org/info/rfc6205>.

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   [RFC4054]  Strand, J., Ed. and A. Chiu, Ed., "Impairments and Other
              Constraints on Optical Layer Routing", RFC 4054,
              DOI 10.17487/RFC4054, May 2005,
              <http://www.rfc-editor.org/info/rfc4054>.

   [I-D.kdkgall-ccamp-dwdm-if-mng-ctrl-fwk]
              Kunze, R., Grammel, G., Beller, D., and G. Galimberti, "A
              framework for Management and Control of G.698.2 optical
              interface parameters", draft-kdkgall-ccamp-dwdm-if-mng-
              ctrl-fwk-00 (work in progress), October 2015.

   [ITU.G698.2]
              International Telecommunications Union, "Amplified
              multichannel dense wavelength division multiplexing
              applications with single channel optical interfaces",
              ITU-T Recommendation G.698.2, November 2009.

   [ITU.G694.1]
              International Telecommunications Union, ""Spectral grids
              for WDM applications: DWDM frequency grid"",
              ITU-T Recommendation G.698.2, February 2012.

   [ITU.G709]
              International Telecommunications Union, "Interface for the
              Optical Transport Network (OTN)", ITU-T Recommendation
              G.709, February 2012.

   [ITU.G872]
              International Telecommunications Union, "Architecture of
              optical transport networks", ITU-T Recommendation G.872,
              October 2012.

   [ITU.G874.1]
              International Telecommunications Union, "Optical transport
              network (OTN): Protocol-neutral management information
              model for the network element view", ITU-T Recommendation
              G.874.1, October 2012.

9.2.  Informative References

   [RFC3410]  Case, J., Mundy, R., Partain, D., and B. Stewart,
              "Introduction and Applicability Statements for Internet-
              Standard Management Framework", RFC 3410,
              DOI 10.17487/RFC3410, December 2002,
              <http://www.rfc-editor.org/info/rfc3410>.

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   [RFC2629]  Rose, M., "Writing I-Ds and RFCs using XML", RFC 2629,
              DOI 10.17487/RFC2629, June 1999,
              <http://www.rfc-editor.org/info/rfc2629>.

   [RFC4181]  Heard, C., Ed., "Guidelines for Authors and Reviewers of
              MIB Documents", BCP 111, RFC 4181, DOI 10.17487/RFC4181,
              September 2005, <http://www.rfc-editor.org/info/rfc4181>.

Authors' Addresses

   Dharini Hiremagalur (editor)
   Juniper
   1194 N Mathilda Avenue
   Sunnyvale - 94089 California
   USA

   Phone: +1408
   Email: dharinih@juniper.net

   Gert Grammel (editor)
   Juniper
   Oskar-Schlemmer Str. 15
   80807 Muenchen
   Germany

   Phone: +49 1725186386
   Email: ggrammel@juniper.net

   Gabriele Galimberti (editor)
   Cisco
   Via S. Maria Molgora, 48
   20871 - Vimercate
   Italy

   Phone: +390392091462
   Email: ggalimbe@cisco.com

   Ruediger Kunze
   Deutsche Telekom
   Dddd, xx
   Berlin
   Germany

   Phone: +49xxxxxxxxxx
   Email: RKunze@telekom.de

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   Dieter Beller
   Nokia
   Lorenzstrasse, 10
   70435 Stuttgart
   Germany

   Phone: +4971182143125
   Email: Dieter.Beller@nokia.com

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