One document matched: draft-bryskin-ccamp-gmpls-ason-lexicography-00.txt
Network Working Group Igor Bryskin
Category: Informational Consultant
Expires: April 2005 Adrian Farrel
Old Dog Consulting
January 2005
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
draft-bryskin-ccamp-gmpls-ason-lexicography-00.txt
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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 physical technologies and across several
architectural models. The ITU-T has specified an architecture for
the management 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 far wider set
of contexts than just ASON. Thus the definitions presented in this
document do not provide exclusive or complete interpretations of the
GMPLS concepts. The intention of this document is simply to allow the
GMPLS terms to be applied within the ASON context.
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draft-bryskin-ccamp-gmpls-ason-lexicography-00.txt January 2005
1. Introduction
Generalized Multiprotocol Label Switching (GMPLS) has been developed
by the IETF to facilitate the establishment of Label Switched Paths
(LSPs) in a variety of physical technologies such as Packet Switching
Capable (PSC), Layer Two Switching Capable (L2SC), Time Division
Multiplexing (TDM), Lambda Switching Capable (LSC). and Fiber
Switching Capable (FSC).
GMPLS is deliberately specified to allow it to be applicable in
several key architectures including the Integrated Model, the Overlay
Model, and the Augmented Model. More information on these
architectural models and on GMPLS can be found in [RFC3945].
The ITU-T has specified an architecture for the management of
Automatically Switched Optical Networks (ASON). This architecture
forms the basis of many recommendations within the ITU-T.
Because the GMPLS and ASON architectures were developed by different
people in different standards bodies, and because the architectures
have very different historic backgrounds (the Internet, and telephone
and transport networks respectively), the terminology used is
different. In order to demonstrate that GMPLS is a suitable
technology to satisfy the requirements of the ASON architecture it is
necessary to examine the terminology and provide a mapping between
GMPLS and ASON terms.
This document provides a lexicography for the interpretation of GMPLS
terminology within the context of the ASON architecture. It does not
provide wider definitions of the GMPLS terms which can already be
found in existing RFCs. Thus the definitions presented in this
document do not provide exclusive or complete interpretations of the
GMPLS concepts. The intention of this document is simply to allow the
GMPLS terms to be applied within the ASON context.
2. Terminology Sources
2.1. GMPLS Terminology Sources
GMPLS Terminology is principally defined in [RFC3945]. Other
documents provide further key definitions including [GMPLS-RTG],
[BUNDLE], [LSP-HIER] and [LMP].
The reader should be familiar with these other documents before
attempting to use this document to provide a mapping to between GMPLS
and ASON.
For details of GMPLS signaling please refer to [RFC3471] and
[RFC3473]. For details of GMPLS routing, please refer to [GMPLS-OSPF]
and [GMPLS-ISIS].
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draft-bryskin-ccamp-gmpls-ason-lexicography-00.txt January 2005
2.2. ASON Terminology Sources
The ASON architecture is specified in ITU-T Recommendation G.8080
[G-8080]. This is developed from generic functional architectures and
requirements specified in [G-805], [G-807] and [G-872].
The reader must be familiar with these documents before attempting to
apply the lexicography set out here.
2.3. Common Terminology Sources
The work in this document builds on the shared view of ASON
requirements and requirements expressed in [ASON-SIG], [ASON-RTG] and
[TRANSPORT-LMP].
3. Lexicography
4. Guidance on the Application of this Lexicography
5. IANA Considerations
This informational document defines no new code points and requires
no action by IANA.
6. Management Considerations
Both GMPLS and ASON networks require management. Both GMPLS and ASON
specifications include considerable efforts to provide operator
control and monitoring, as well as OAM functionality.
These concepts are, however, out of scope of this document.
7. Security Considerations
Security is also a significant requirement of both GMPLS and ASON
architectures.
Again, however, this informational document is intended only to
provide a lexicography, and the security concerns are, therefore, out
of scope.
8. Acknowledgements
The authors would like to thank participants in the IETF's CCAMP
working group and the ITU-T's Study Group 15 for their help in
producing this document. In particular, all those who attended the
Study Group 15 Question 14 Interim Meeting in Holmdel, New Jersey
during January 2005.
9. Intellectual Property Consideration
The IETF takes no position regarding the validity or scope of any
Intellectual Property Rights or other rights that might be claimed to
pertain to the implementation or use of the technology described in
this document or the extent to which any license under such rights
might or might not be available; nor does it represent that it has
made any independent effort to identify any such rights. Information
on the procedures with respect to rights in RFC documents can be
found in BCP 78 and BCP 79.
Copies of IPR disclosures made to the IETF Secretariat and any
assurances of licenses to be made available, or the result of an
attempt made to obtain a general license or permission for the use of
such proprietary rights by implementers or users of this
specification can be obtained from the IETF on-line IPR repository at
http://www.ietf.org/ipr.
The IETF invites any interested party to bring to its attention any
copyrights, patents or patent applications, or other proprietary
rights that may cover technology that may be required to implement
this standard. Please address the information to the IETF at ietf-
ipr@ietf.org.
10. Normative References
[RFC3945] E. Mannie (Ed.). "Generalized Multi-Protocol Label
Switching (GMPLS) Architecture", RFC 3945, October
2004.
[GMPLS-RTG] Kompella, K. and Rekhter, Y., "Routing Extensions in
Support of Generalized Multi-Protocol Label
Switching", <draft-ietf-ccamp-gmpls-routing>, work
in progress.
[BUNDLE] Kompella, K., Rekhter, Y., and Berger, L., "Link
Bundling in MPLS Traffic Engineering",
<draft-ietf-mpls-bundle>, work in progress.
[LSP-HIER] Kompella, K. and Rekhter, Y., "LSP Hierarchy with
Generalized MPLS TE",
<draft-ietf-mpls-lsp-hierarchy>, work in progress.
[LMP] J. Lang (Ed.), "Link Management Protocol (LMP)",
<draft-ietf-ccamp-lmp>, work in progress.
11. Informational References
[RFC3471] L. Berger (Ed.), "Generalized Multi-Protocol Label
Switching (GMPLS) Signaling Functional Description",
RFC 3471, January 2003.
[RFC3473] L. Berger (Ed.), "Generalized Multi-Protocol Label
Switching (GMPLS) Signaling Resource ReserVation
Protocol-Traffic Engineering (RSVP-TE) Extensions",
RFC 3471, January 2003.
[GMPLS-OSPF] Kompella, K., and Rekhter, Y. (Ed.), "OSPF
Extensions in Support of Generalized MPLS",
<draft-ietf-ccamp-ospf-gmpls-extensions>, work in
progress.
[GMPLS-ISIS] Kompella, K., and Rekhter, Y. (Ed.), "IS-IS
Extensions in Support of Generalized MPLS",
<draft-ietf-isis-gmpls-extensions>, work in
progress.
[ASON-SIG] Papadimitriou, D., Drake, J., Ash, J., Farrel, A.,
and Ong, L., "Requirements for Generalized MPLS
(GMPLS) Signaling Usage and Extensions for
Automatically Switched Optical Network (ASON)",
<draft-ietf-ccamp-gmpls-ason-reqts>, work in
progress.
[ASON-RTG] D. Brungard (Ed.), "Requirements for Generalized
MPLS (GMPLS) Routing for Automatically Switched
Optical Network (ASON)",
<draft-ietf-ccamp-gmpls-ason-routing-reqts>, work in
progress.
[TRANSPORT-LMP] Fedyk, D., Aboul-Magd, O., Brungard, D., Lang, J.,
Papadimitriou, D., "A Transport Network View of LMP"
<draft-ietf-ccamp-transport-lmp>, work in progress.
For information on the availability of the following documents,
please see http://www.itu.int.
[G-8080] ITU-T Recommendation G.8080/Y.1304, Architecture for
the automatically switched optical network (ASON).
[G-805] ITU-T Recommendation G.805 (2000), Generic
functional architecture of transport networks.
[G-807] ITU-T Recommendation G.807/Y.1302 (2001),
Requirements for the automatic switched transport
network (ASTN).
[G-872] ITU-T Recommendation G.872 (2001), Architecture of
optical transport networks.
12. Authors' Addresses
Igor Bryskin
Independent Consultant
Phone:
EMail: i_bryskin@yahoo.com
Adrian Farrel
Old Dog Consulting
Phone: +44 (0) 1978 860944
EMail: adrian@olddog.co.uk
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14. Full Copyright Statement
Copyright (C) The Internet Society (2005). This document is subject
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except as set forth therein, the authors retain all their rights.
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