Internet Engineering Task Force D. Hiremagalur, Ed. Internet-Draft G. Grammel, Ed. Intended status: Standards Track J. Drake, Ed. Expires: January 26, 2015 Juniper G. Galimberti, Ed. Z. Ali, Ed. Cisco R. Kunze, Ed. Deutsche Telekom July 25, 2014 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-dharinigert-ccamp-g-698-2-lmp-08 Abstract This memo defines extensions to LMP(rfc4209) for managing Optical parameters associated with Wavelength Division Multiplexing (WDM) systems or characterized by the Optical Transport Network (OTN) in accordance with the Interface Application Identifier approach defined in ITU-T Recommendation G.698.2.[ITU.G698.2], G.694.1.[ITU.G694.1] and its extensions. 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 January 26, 2015. Hiremagalur, et al. Expires January 26, 2015 [Page 1] Internet-Draft draft-dharinigert-ccamp-g-698-2-lmp-08 July 2014 Copyright Notice Copyright (c) 2014 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. Extensions to LMP-WDM Protocol . . . . . . . . . . . . . . . 3 3. General Parameters - OCh_General . . . . . . . . . . . . . . 4 4. ApplicationIdentifier - OCh_ApplicationIdentifier . . . . . . 4 5. OCh_Ss - OCh transmit parameters . . . . . . . . . . . . . . 6 6. OCh_Rs - receive parameters . . . . . . . . . . . . . . . . . 6 7. Security Considerations . . . . . . . . . . . . . . . . . . . 7 8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 7 9. References . . . . . . . . . . . . . . . . . . . . . . . . . 8 9.1. Normative References . . . . . . . . . . . . . . . . . . 8 9.2. Informative References . . . . . . . . . . . . . . . . . 9 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 9 1. Introduction This extension is based on "draft-galikunze-ccamp-g-698-2-snmp-mib- 08", for the relevant interface optical parameters described in recommendations like ITU-T G.698.2 [ITU.G698.2]. The LMP Model from RFC4902 provides link property correlation between a client and an OLS device. LMP link property correlation, exchanges the capabilities of either end of the link where the term 'link' refers to the attachment link between OXC and OLS (see Figure 1). By performing link property correlation, both ends of the link exchange link properties, such as application identifiers. This allows either end to operate within a commonly understood parameter window. Based on known parameter limits, each device can supervise the received signal for conformance using mechanisms defined in RFC3591. The actual route selection of a specific wavelength within the allowed set is outside the scope of LMP. In GMPLS, the parameter selection (e.g. central frequency) is performed by RSVP-TE. Hiremagalur, et al. Expires January 26, 2015 [Page 2] Internet-Draft draft-dharinigert-ccamp-g-698-2-lmp-08 July 2014 Figure 1 Extended LMP Model ( from [RFC4209] ) +------+ Ss +------+ +------+ Rs +------+ | | ----- | | | | ----- | | | OXC1 | ----- | OLS1 | ===== | OLS2 | ----- | OXC2 | | | ----- | | | | ----- | | +------+ +------+ +------+ +------+ ^ ^ ^ ^ ^ ^ | | | | | | | +-----LMP-----+ +-----LMP-----+ | | | +----------------------LMP-----------------------+ OXC : is an entity that contains transponders OLS : generic optical system, it can be - Optical Mux, Optical Demux, Optical Add Drop Mux, etc. OLS to OLS : represents the black-Link itself Rs/Ss : in between the OXC and the OLS Figure 1: Extended LMP Model 2. Extensions to LMP-WDM Protocol This document defines extensions to [RFC4209] to allow the Black Link (BL) parameters of G.698.2, 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. The intent of this draft is to enable the OXC and OLS systems to exchange this information. These messages and their usage are defined in subsequent sections of this document. The following new messages are defined for the WDM extension for ITU-T G.698.2 [ITU.G698.2]/ITU-T G.698.1 [ITU.G698.1]/ ITU-T G.959.1 [ITU.G959.1] - OCh_General (sub-object Type = TBA) - OCh_ApplicationIdentier (sub-object Type = TBA) - OCh_Ss (sub-object Type = TBA) - OCh_Rs (sub-object Type = TBA) Hiremagalur, et al. Expires January 26, 2015 [Page 3] Internet-Draft draft-dharinigert-ccamp-g-698-2-lmp-08 July 2014 3. General Parameters - OCh_General These are the general parameters as described in [G698.2] and [G.694.1]. Please refer to the "draft-galikunze-ccamp-g-698-2-snmp- mib-08" for more details about these parameters [RFC6205] . The general parameters are 1. Central Frequency - (Tera Hertz) 4 bytes (see RFC6205 sec.3.2) 2. Single-channel Application Identifier Number in use 3. Application Identifier Type in use 4. Application Identifier in use Figure 2: 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) | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Central Frequency | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Single-channel| A.I. Type | (Reserved) | | Application | in use | | | Identifier | | | | Number in use | | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Single-channel Application Identifier in use | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Figure 2: OCh_General 4. ApplicationIdentifier - OCh_ApplicationIdentifier This message is to exchange the application identifiers supported. Please refer to the "draft-galikunze-ccamp-g-698-2-snmp-mib-08" for more details about these parameters. There can be more than one Application Identifier supported by the OXC/OLS. The number of application identifiers supported is exchanged in the "OCh_General" message. (reference [G698.1]/[G698.2]/[G959.1] and G.874.1 ) Hiremagalur, et al. Expires January 26, 2015 [Page 4] Internet-Draft draft-dharinigert-ccamp-g-698-2-lmp-08 July 2014 The parameters are 1. Number of Application Identifiers (A.I.) Supported 2. Single-channel application identifier Number uniquely identifiers this entry - 8 bits 3. Application Indentifier Type (A.I.) (STANDARD/PROPRIETARY) 4. Single-channel application identifier -- 64 bytes (from [G698.1]/[G698.2]/[G959.1] - this parameter can have multiple instances as the transceiver can support multiple application identifiers. 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) | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Number of Application | | | Identifiers Supported | (Reserved) | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Single-channel| A.I. Type | (Reserved) | | Application | | | | Identifier | | | | Number | | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Single-channel Application Identifier | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ // .... // +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Single-channel| | (Reserved) | | Application | A.I. Type | | | Identifier | | | | Number | | | | | | | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Single-channel Application Identifier | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Figure 3: OCh_ApplicationIdentifier Hiremagalur, et al. Expires January 26, 2015 [Page 5] Internet-Draft draft-dharinigert-ccamp-g-698-2-lmp-08 July 2014 5. OCh_Ss - OCh transmit parameters These are the G.698.2 parameters at the Source(Ss reference points). 1. Output power 2. Current Status - 32 bit map of alarms TBD Figure 4: The format of the OCh 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) | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Output Power | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Current Status | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Figure 4: OCh_Ss transmit parameters 6. OCh_Rs - receive parameters These are the G.698.2 parameters at the Sink (Rs reference points). 1. Current Input Power - (0.1dbm) 4bytes 2. Current Status - 32 bit map of alarms TBD Hiremagalur, et al. Expires January 26, 2015 [Page 6] Internet-Draft draft-dharinigert-ccamp-g-698-2-lmp-08 July 2014 Figure 5: The format of the OCh receive sub-object (Type = TBA, Length = TBA) is as follows: The format of the OCh receive/OLS Sink 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) | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Current Input Power | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Current Status | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ Figure 5: OCh_Rs receive parameters 7. 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. 8. IANA Considerations LMP 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 ) - OCh_General (sub-object Type = TBA) - OCh_ApplicationIdentifier (sub-object Type = TBA) - OCh_Ss (sub-object Type = TBA) - OCh_Rs (sub-object Type = TBA) Hiremagalur, et al. Expires January 26, 2015 [Page 7] Internet-Draft draft-dharinigert-ccamp-g-698-2-lmp-08 July 2014 9. References 9.1. Normative References [RFC4204] Lang, J., "Link Management Protocol (LMP)", RFC 4204, October 2005. [RFC4209] Fredette, A. and J. Lang, "Link Management Protocol (LMP) for Dense Wavelength Division Multiplexing (DWDM) Optical Line Systems", RFC 4209, October 2005. [RFC6205] Otani, T. and D. Li, "Generalized Labels for Lambda- Switch-Capable (LSC) Label Switching Routers", RFC 6205, March 2011. [RFC4054] Strand, J. and A. Chiu, "Impairments and Other Constraints on Optical Layer Routing", RFC 4054, May 2005. [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. Hiremagalur, et al. Expires January 26, 2015 [Page 8] Internet-Draft draft-dharinigert-ccamp-g-698-2-lmp-08 July 2014 9.2. Informative References [I-D.galimbe-kunze-g-698-2-snmp-mib] Kunze, R. and D. Hiremagalur, "A SNMP MIB to manage black- link optical interface parameters of DWDM applications", draft-galimbe-kunze-g-698-2-snmp-mib-02 (work in progress), March 2012. Authors' Addresses Dharini Hiremagalur (editor) Juniper 1194 N Mathilda Avenue Sunnyvale - 94089 California USA Phone: +14089367461 Email: dharinih@juniper.net Gert Grammel (editor) Juniper 1194 N Mathilda Avenue Sunnyvale - 94089 California USA Phone: +14089336958 Email: ggrammel@juniper.net John E. Drake (editor) Juniper 1194 N Mathilda Avenue HW-US,Pennsylvania USA Phone: +14123703108 Email: jdrake@juniper.net Gabriele Galimberti (editor) Cisco Via S. Maria Molgora, 48 20871 - Vimercate Italy Phone: +390392091462 Email: ggalimbe@cisco.com Hiremagalur, et al. Expires January 26, 2015 [Page 9] Internet-Draft draft-dharinigert-ccamp-g-698-2-lmp-08 July 2014 Zafar Ali (editor) Cisco 3000 Innovation Drive KANATA ONTARIO K2K 3E8 Email: zali@cisco.com Ruediger Kunze (editor) Deutsche Telekom Dddd, xx Berlin Germany Phone: +49xxxxxxxxxx Email: RKunze@telekom.de Hiremagalur, et al. Expires January 26, 2015 [Page 10]