Liaison statement
Recently published IETF RFCs relevant to GMPLS, Optical Transport Networks, and Packet Transport Networks
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State | Posted |
---|---|
Submitted Date | 2006-04-12 |
From Group | ccamp |
From Contact | Adrian Farrel |
To Group | ITU-T-SG-15 |
To Contacts | Greg Jones <greg.jones@itu.int> |
Cc | Kam Lam <hklam@lucent.com> Malcolm Betts <betts01@nortel.com> Stephen Trowbridge <sjtrowbridge@lucent.com> Scott Bradner <sob@harvard.edu> Ross Callon <rcallon@juniper.net> Bill Fenner <fenner@research.att.com> Kireeti Kompella <kireeti@juniper.net> CCAMP Mailing List <ccamp@ops.ietf.org> |
Response Contact | Adrian Farrel <adrian@olddog.co.uk> |
Technical Contact | Adrian Farrel <adrian@olddog.co.uk> |
Purpose | For information |
Attachments | (None) |
Body |
Recently published IETF RFCs relevant to GMPLS, Optical Transport Networks, and Packet Transport Networks The IETF's CCAMP working group is pleased to inform Study Group 15 of the ITU-T of the publication of several new RFCs that are relevant to the work that you are doing with optical and packet transport networks. Several of these RFCs received useful review and input from Study Group 15 participants for which CCAMP would like to express its thanks. RFC 4257 http://www.ietf.org/rfc/rfc4257.txt Title Framework for Generalized Multi-Protocol Label Switching (GMPLS)-based Control of Synchronous Digital Hierarchy/Synchronous Optical Networking (SDH/SONET) Networks Abstract Generalized Multi-Protocol Label Switching (GMPLS) is a suite of protocol extensions to MPLS to make it generally applicable, to include, for example, control of non packet-based switching, and particularly, optical switching. One consideration is to use GMPLS protocols to upgrade the control plane of optical transport networks. This document illustrates this process by describing those extensions to GMPLS protocols that are aimed at controlling Synchronous Digital Hierarchy (SDH) or Synchronous Optical Networking (SONET) networks. SDH/SONET networks make good examples of this process for a variety of reasons. This document highlights extensions to GMPLS-related routing protocols to disseminate information needed in transport path computation and network operations, together with (G)MPLS protocol extensions required for the provisioning of transport circuits. New capabilities that an GMPLS control plane would bring to SDH/SONET networks, such as new restoration methods and multi-layer circuit establishment, are also discussed. RFC 4258 http://www.ietf.org/rfc/rfc4258.txt Title Requirements for Generalized Multi-Protocol Label Switching (GMPLS) Routing for the Automatically Switched Optical Network (ASON) Abstract The Generalized Multi-Protocol Label Switching (GMPLS) suite of protocols has been defined to control different switching technologies as well as different applications. These include support for requesting Time Division Multiplexing (TDM) connections including Synchronous Optical Network (SONET)/Synchronous Digital Hierarchy (SDH) and Optical Transport Networks (OTNs). This document concentrates on the routing requirements placed on the GMPLS suite of protocols in order to support the capabilities and functionalities of an Automatically Switched Optical Network (ASON) as defined by the ITU-T. RFC 4327 http://www.ietf.org/rfc/rfc4327.txt Title Link Management Protocol (LMP) Management Information Base (MIB) Abstract This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. In particular, it describes managed objects for modeling the Link Management Protocol (LMP). RFC 4328 http://www.ietf.org/rfc/rfc4328.txt Title Generalized Multi-Protocol Label Switching (GMPLS) Signaling Extensions for G.709 Optical Transport Networks Control Abstract This document is a companion to the Generalized Multi-Protocol Label Switching (GMPLS) signaling documents. It describes the technology- specific information needed to extend GMPLS signaling to control Optical Transport Networks (OTN); it also includes the so-called pre-OTN developments. RFC 4394 http://www.ietf.org/rfc/rfc4394.txt Title A Transport Network View of the Link Management Protocol (LMP) Abstract The Link Management Protocol (LMP) has been developed as part of the Generalized MPLS (GMPLS) protocol suite to manage Traffic Engineering (TE) resources and links. The GMPLS control plane (routing and signaling) uses TE links for establishing Label Switched Paths (LSPs). This memo describes the relationship of the LMP procedures to 'discovery' as defined in the International Telecommunication Union (ITU-T), and ongoing ITU-T work. This document provides an overview of LMP in the context of the ITU-T Automatically Switched Optical Networks (ASON) and transport network terminology and relates it to the ITU-T discovery work to promote a common understanding for progressing the work of IETF and ITU-T. RFC 4397 http://www.ietf.org/rfc/rfc4397.txt Title A Lexicography for the Interpretation of Generalized Multiprotocol Label Switching (GMPLS) Terminology within the Context of the ITU-T's Automatically Switched Optical Network (ASON) Architecture Abstract Generalized Multiprotocol Label Switching (GMPLS) has been developed by the IETF to facilitate the establishment of Label Switched Paths (LSPs) in a variety of data plane technologies and across several architectural models. The ITU-T has specified an architecture for the control of Automatically Switched Optical Networks (ASON). This document provides a lexicography for the interpretation of GMPLS terminology within the context of the ASON architecture. It is important to note that GMPLS is applicable in a wider set of contexts than just ASON. The definitions presented in this document do not provide exclusive or complete interpretations of GMPLS concepts. This document simply allows the GMPLS terms to be applied within the ASON context. RFC 4426 http://www.ietf.org/rfc/rfc4426.txt Title Generalized Multi-Protocol Label Switching (GMPLS) Recovery Functional Specification Abstract This document presents a functional description of the protocol extensions needed to support Generalized Multi-Protocol Label Switching (GMPLS)-based recovery (i.e., protection and restoration). Protocol specific formats and mechanisms will be described in companion documents. RFC 4427 http://www.ietf.org/rfc/rfc4427.txt Title Recovery (Protection and Restoration) Terminology for Generalized Multi-Protocol Label Switching (GMPLS) Abstract This document defines a common terminology for Generalized Multi- Protocol Label Switching (GMPLS)-based recovery mechanisms (i.e., protection and restoration). The terminology is independent of the underlying transport technologies covered by GMPLS. RFC 4428 http://www.ietf.org/rfc/rfc4428.txt Title Analysis of Generalized Multi-Protocol Label Switching (GMPLS)-based Recovery Mechanisms (including Protection and Restoration) Abstract This document provides an analysis grid to evaluate, compare, and contrast the Generalized Multi-Protocol Label Switching (GMPLS) protocol suite capabilities with the recovery mechanisms currently proposed at the IETF CCAMP Working Group. A detailed analysis of each of the recovery phases is provided using the terminology defined in RFC 4427. This document focuses on transport plane survivability and recovery issues and not on control plane resilience and related aspects. All IETF RFCs can be downloaded for free from http://www.ietf.org/rfc.html The current work plan and progress status of the CCAMP working group can be viewed at http://www.ietf.org/html.charters/ccamp-charter.html The CCAMP working group welcomes questions and discussion about all of its work from individuals or organisations. The CCAMP mailing list is open to anyone. Details of subscription can be found on the CCAMP charter page. Regards, Adrian Farrel and Kireeti Kompella CCAMP working group chairs |