draft-ietf-idr-te-pm-bgp-09.txt   draft-ietf-idr-te-pm-bgp-10.txt 
Networking Working Group L. Ginsberg, Ed. Networking Working Group L. Ginsberg, Ed.
Internet-Draft S. Previdi Internet-Draft S. Previdi
Intended status: Standards Track Cisco Systems, Inc. Intended status: Standards Track Cisco Systems, Inc.
Expires: August 17, 2018 Q. Wu Expires: September 22, 2018 Q. Wu
Huawei Huawei
H. Gredler
S. Ray
J. Tantsura J. Tantsura
Individual Individual
C. Filsfils C. Filsfils
Cisco Systems, Inc. Cisco Systems, Inc.
February 13, 2018 March 21, 2018
BGP-LS Advertisement of IGP Traffic Engineering Performance Metric BGP-LS Advertisement of IGP Traffic Engineering Performance Metric
Extensions Extensions
draft-ietf-idr-te-pm-bgp-09 draft-ietf-idr-te-pm-bgp-10
Abstract Abstract
This document defines new BGP-LS TLVs in order to carry the IGP This document defines new BGP-LS TLVs in order to carry the IGP
Traffic Engineering Extensions defined in IS-IS and OSPF protocols. Traffic Engineering Extensions defined in IS-IS and OSPF protocols.
Requirements Language Requirements Language
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
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and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on August 17, 2018.
This Internet-Draft will expire on September 22, 2018.
Copyright Notice Copyright Notice
Copyright (c) 2018 IETF Trust and the persons identified as the Copyright (c) 2018 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
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to this document. Code Components extracted from this document must to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License. described in the Simplified BSD License.
Table of Contents Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Link Attribute TLVs for TE Metric Extensions . . . . . . . . 3 2. Link Attribute TLVs for TE Metric Extensions . . . . . . . . 2
3. TLV Details . . . . . . . . . . . . . . . . . . . . . . . . . 3 3. TLV Details . . . . . . . . . . . . . . . . . . . . . . . . . 3
3.1. Unidirectional Link Delay TLV . . . . . . . . . . . . . . 3 3.1. Unidirectional Link Delay TLV . . . . . . . . . . . . . . 3
3.2. Min/Max Unidirectional Link Delay TLV . . . . . . . . . . 4 3.2. Min/Max Unidirectional Link Delay TLV . . . . . . . . . . 3
3.3. Unidirectional Delay Variation TLV . . . . . . . . . . . 4 3.3. Unidirectional Delay Variation TLV . . . . . . . . . . . 4
3.4. Unidirectional Link Loss TLV . . . . . . . . . . . . . . 5 3.4. Unidirectional Link Loss TLV . . . . . . . . . . . . . . 4
3.5. Unidirectional Residual Bandwidth TLV . . . . . . . . . . 5 3.5. Unidirectional Residual Bandwidth TLV . . . . . . . . . . 5
3.6. Unidirectional Available Bandwidth TLV . . . . . . . . . 5 3.6. Unidirectional Available Bandwidth TLV . . . . . . . . . 5
3.7. Unidirectional Utilized Bandwidth TLV . . . . . . . . . . 6 3.7. Unidirectional Utilized Bandwidth TLV . . . . . . . . . . 6
4. Security Considerations . . . . . . . . . . . . . . . . . . . 6 4. Security Considerations . . . . . . . . . . . . . . . . . . . 6
5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 7 5. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 7
6. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 7 6. Contributors . . . . . . . . . . . . . . . . . . . . . . . . 7
7. References . . . . . . . . . . . . . . . . . . . . . . . . . 7 7. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 7
7.1. Normative References . . . . . . . . . . . . . . . . . . 7 8. References . . . . . . . . . . . . . . . . . . . . . . . . . 8
7.2. Informative References . . . . . . . . . . . . . . . . . 8 8.1. Normative References . . . . . . . . . . . . . . . . . . 8
8.2. Informative References . . . . . . . . . . . . . . . . . 8
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 8 Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 8
1. Introduction 1. Introduction
BGP-LS ([RFC7752]) defines NLRI and attributes in order to carry BGP-LS ([RFC7752]) defines NLRI and attributes in order to carry
link-state information. New BGP-LS Link-Attribute TLVs are required link-state information. New BGP-LS Link-Attribute TLVs are required
in order to carry the Traffic Engineering Metric Extensions defined in order to carry the Traffic Engineering Metric Extensions defined
in [RFC7810] and [RFC7471]. in [RFC7810] and [RFC7471].
2. Link Attribute TLVs for TE Metric Extensions 2. Link Attribute TLVs for TE Metric Extensions
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1116 Unidirectional Delay Variation 1116 Unidirectional Delay Variation
1117 Unidirectional Packet Loss 1117 Unidirectional Packet Loss
1118 Unidirectional Residual Bandwidth 1118 Unidirectional Residual Bandwidth
1119 Unidirectional Available Bandwidth 1119 Unidirectional Available Bandwidth
1120 Unidirectional Bandwidth Utilization 1120 Unidirectional Bandwidth Utilization
6. Acknowledgements 6. Contributors
The following people have substantially contributed to this document
and should be considered co-authors:
Saikat Ray
Individual
Email: raysaikat@gmail.com
Hannes Gredler
RtBrick Inc.
Email: hannes@rtbrick.com
7. Acknowledgements
The authors wish to acknowledge comments from Ketan Talaulikar. The authors wish to acknowledge comments from Ketan Talaulikar.
7. References 8. References
7.1. Normative References 8.1. Normative References
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, Requirement Levels", BCP 14, RFC 2119,
DOI 10.17487/RFC2119, March 1997, DOI 10.17487/RFC2119, March 1997,
<https://www.rfc-editor.org/info/rfc2119>. <https://www.rfc-editor.org/info/rfc2119>.
[RFC4271] Rekhter, Y., Ed., Li, T., Ed., and S. Hares, Ed., "A [RFC4271] Rekhter, Y., Ed., Li, T., Ed., and S. Hares, Ed., "A
Border Gateway Protocol 4 (BGP-4)", RFC 4271, Border Gateway Protocol 4 (BGP-4)", RFC 4271,
DOI 10.17487/RFC4271, January 2006, DOI 10.17487/RFC4271, January 2006,
<https://www.rfc-editor.org/info/rfc4271>. <https://www.rfc-editor.org/info/rfc4271>.
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S. Ray, "North-Bound Distribution of Link-State and S. Ray, "North-Bound Distribution of Link-State and
Traffic Engineering (TE) Information Using BGP", RFC 7752, Traffic Engineering (TE) Information Using BGP", RFC 7752,
DOI 10.17487/RFC7752, March 2016, DOI 10.17487/RFC7752, March 2016,
<https://www.rfc-editor.org/info/rfc7752>. <https://www.rfc-editor.org/info/rfc7752>.
[RFC7810] Previdi, S., Ed., Giacalone, S., Ward, D., Drake, J., and [RFC7810] Previdi, S., Ed., Giacalone, S., Ward, D., Drake, J., and
Q. Wu, "IS-IS Traffic Engineering (TE) Metric Extensions", Q. Wu, "IS-IS Traffic Engineering (TE) Metric Extensions",
RFC 7810, DOI 10.17487/RFC7810, May 2016, RFC 7810, DOI 10.17487/RFC7810, May 2016,
<https://www.rfc-editor.org/info/rfc7810>. <https://www.rfc-editor.org/info/rfc7810>.
7.2. Informative References 8.2. Informative References
[RFC4272] Murphy, S., "BGP Security Vulnerabilities Analysis", [RFC4272] Murphy, S., "BGP Security Vulnerabilities Analysis",
RFC 4272, DOI 10.17487/RFC4272, January 2006, RFC 4272, DOI 10.17487/RFC4272, January 2006,
<https://www.rfc-editor.org/info/rfc4272>. <https://www.rfc-editor.org/info/rfc4272>.
[RFC6952] Jethanandani, M., Patel, K., and L. Zheng, "Analysis of [RFC6952] Jethanandani, M., Patel, K., and L. Zheng, "Analysis of
BGP, LDP, PCEP, and MSDP Issues According to the Keying BGP, LDP, PCEP, and MSDP Issues According to the Keying
and Authentication for Routing Protocols (KARP) Design and Authentication for Routing Protocols (KARP) Design
Guide", RFC 6952, DOI 10.17487/RFC6952, May 2013, Guide", RFC 6952, DOI 10.17487/RFC6952, May 2013,
<https://www.rfc-editor.org/info/rfc6952>. <https://www.rfc-editor.org/info/rfc6952>.
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Cisco Systems, Inc. Cisco Systems, Inc.
US US
Email: ginsberg@cisco.com Email: ginsberg@cisco.com
Stefano Previdi Stefano Previdi
Cisco Systems, Inc. Cisco Systems, Inc.
IT IT
Email: stefano@previdi.net Email: stefano@previdi.net
Qin Wu Qin Wu
Huawei Huawei
101 Software Avenue, Yuhua District 101 Software Avenue, Yuhua District
Nanjing, Jiangsu 210012 Nanjing, Jiangsu 210012
China China
Email: bill.wu@huawei.com Email: bill.wu@huawei.com
Hannes Gredler
Individual
AT
Email: hannes@gredler.at
Saikat Ray
Individual
US
Email: raysaikat@gmail.com
Jeff Tantsura Jeff Tantsura
Individual Individual
US US
Email: jefftant.ietf@gmail.com Email: jefftant.ietf@gmail.com
Clarence Filsfils Clarence Filsfils
Cisco Systems, Inc. Cisco Systems, Inc.
Brussels Brussels
BE BE
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