RFC7963: RSVP-TE Extension for Additional Signal Types in G.709 Optical Transport Networks (OTNs)
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Related keywords:
(gmpls)
Internet Engineering Task Force (IETF) Z. Ali
Request for Comments: 7963 A. Bonfanti
Category: Informational M. Hartley
ISSN: 2070-1721 Cisco Systems
F. Zhang
Huawei Technologies
August 2016
RSVP-TE Extension for Additional Signal Types in
G.709 Optical Transport Networks (OTNs)
Abstract
RFCs 4328 and 7139 provide signaling extensions in Resource
ReserVation Protocol - Traffic Engineering (RSVP-TE) to control the
full set of Optical Transport Network (OTN) features. However, these
specifications do not cover the additional Optical channel Data Unit
(ODU) containers defined in G.Sup43 (ODU1e, ODU3e1, and ODU3e2).
This document defines new Signal Types for these additional
containers.
Status of This Memo
This document is not an Internet Standards Track specification; it is
published for informational purposes.
This document is a product of the Internet Engineering Task Force
(IETF). It represents the consensus of the IETF community. It has
received public review and has been approved for publication by the
Internet Engineering Steering Group (IESG). Not all documents
approved by the IESG are a candidate for any level of Internet
Standard; see Section 2 of RFC 7841.
Information about the current status of this document, any errata,
and how to provide feedback on it may be obtained at
http://www.rfc-editor.org/info/rfc7963.
Ali, et al. Informational [Page 1]
RFC 7963 RSVP-TE Ext for Signal Types in G.709 OTNs August 2016
Copyright Notice
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Table of Contents
1. Introduction ................................................... 3
2. RSVP-TE Extension for Additional Signal Types .................. 3
3. Security Considerations ........................................ 3
4. IANA Considerations ............................................ 3
5. References ..................................................... 4
5.1. Normative References ....................................... 4
5.2. Informative References ..................................... 4
Acknowledgments ................................................... 4
Authors' Addresses ................................................ 5
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RFC 7963 RSVP-TE Ext for Signal Types in G.709 OTNs August 2016
1. Introduction
[RFC7139] updates the portions of text related to the Optical channel
Data Unit (ODU) described in [RFC4328] to provide extensions to
Resource ReserVation Protocol - Traffic Engineering (RSVP-TE) to
support control for [G.709-v3] in the OTN-TDM SENDER_TSPEC and OTN-
TDM FLOWSPEC objects. However, it does not specify Signal Types for
the ODU1e, ODU3e1, and ODU3e2 containers defined in [G.Sup43]. This
document provides RSVP-TE signaling extensions to support these
additional Signal Types.
These containers are non-standard data-plane frame formats (not
defined in ITU-T Recommendations). They are among some of the intra-
domain approaches used in networks to transport 10GBASE-R signals in
optical transport networks. As a supplement, [G.Sup43] does not
guarantee interoperability in the data plane for these containers.
2. RSVP-TE Extension for Additional Signal Types
[RFC7139] defines the format of Traffic Parameters in OTN-TDM
SENDER_TSPEC and OTN-TDM FLOWSPEC objects. These traffic parameters
have a Signal Type field. This document defines the Signal Types for
ODU1e, ODU3e1, and ODU3e2, as defined in the IANA Considerations
section. They are allocated via the Specification Required policy
added to the subregistry by [RFC7892].
3. Security Considerations
This document does not introduce any additional security issues
beyond those identified in [RFC7139].
4. IANA Considerations
IANA maintains the "Generalized Multi-Protocol Label Switching
(GMPLS) Signaling Parameters" registry that contains the "OTN Signal
Type" subregistry. IANA has added the following three allocations
for ODU1e, ODU3e1, and ODU3e2 in the subregistry via the
Specification Required policy [RFC5226]:
Value Type
----- ----
23 ODU1e (10Gbps Ethernet [G.Sup43])
26 ODU3e1 (40Gbps Ethernet [G.Sup43])
27 ODU3e2 (40Gbps Ethernet [G.Sup43])
These Signal Types are carried in the Traffic Parameters in OTN-TDM
SENDER_TSPEC and OTN-TDM FLOWSPEC objects [RFC7139].
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5. References
5.1. Normative References
[RFC4328] Papadimitriou, D., Ed., "Generalized Multi-Protocol Label
Switching (GMPLS) Signaling Extensions for G.709 Optical
Transport Networks Control", RFC 4328,
DOI 10.17487/RFC4328, January 2006,
<http://www.rfc-editor.org/info/rfc4328>.
[RFC7139] Zhang, F., Ed., Zhang, G., Belotti, S., Ceccarelli, D.,
and K. Pithewan, "GMPLS Signaling Extensions for Control
of Evolving G.709 Optical Transport Networks", RFC 7139,
DOI 10.17487/RFC7139, March 2014,
<http://www.rfc-editor.org/info/rfc7139>.
[RFC7892] Ali, Z., Bonfanti, A., Hartley, M., and F. Zhang, "IANA
Allocation Procedures for the GMPLS OTN Signal Type
Registry", RFC 7892, DOI 10.17487/RFC7892, May 2016,
<http://www.rfc-editor.org/info/rfc7892>.
5.2. Informative References
[G.709-v3] ITU-T, "Interfaces for the optical transport network",
Recommendation G.709/Y.1331, June 2016.
[G.Sup43] ITU-T, "Transport of IEEE 10GBASE-R in optical transport
networks (OTN)", Recommendation G.Sup43, February 2011.
[RFC5226] Narten, T. and H. Alvestrand, "Guidelines for Writing an
IANA Considerations Section in RFCs", BCP 26, RFC 5226,
DOI 10.17487/RFC5226, May 2008,
<http://www.rfc-editor.org/info/rfc5226>.
Acknowledgments
The authors would like to thank Dieter Beller, Lou Berger, Deborah
Brungard, Daniele Ceccarelli, Adrian Farrel, and Sudip Shukla for
their comments.
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RFC 7963 RSVP-TE Ext for Signal Types in G.709 OTNs August 2016
Authors' Addresses
Zafar Ali
Cisco Systems
Email: zali@cisco.com
Antonello Bonfanti
Cisco Systems
Email: abonfant@cisco.com
Matt Hartley
Cisco Systems
Email: mhartley@cisco.com
Fatai Zhang
Huawei Technologies
Email: zhangfatai@huawei.com
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