< draft-ietf-pce-association-policy-13.txt   draft-ietf-pce-association-policy-14.txt >
PCE Working Group S. Litkowski PCE Working Group S. Litkowski
Internet-Draft Cisco Systems, Inc. Internet-Draft Cisco Systems, Inc.
Intended status: Standards Track S. Sivabalan Intended status: Standards Track S. Sivabalan
Expires: April 8, 2021 Ciena Expires: June 11, 2021 Ciena
J. Tantsura J. Tantsura
Apstra, Inc. Apstra, Inc.
J. Hardwick J. Hardwick
Metaswitch Networks Metaswitch Networks
M. Negi M. Negi
RtBrick Inc RtBrick Inc
C. Li C. Li
Huawei Technologies Huawei Technologies
October 05, 2020 December 08, 2020
Path Computation Element (PCE) Communication Protocol (PCEP) extension Path Computation Element (PCE) Communication Protocol (PCEP) extension
for associating Policies and Label Switched Paths (LSPs) for associating Policies and Label Switched Paths (LSPs)
draft-ietf-pce-association-policy-13 draft-ietf-pce-association-policy-14
Abstract Abstract
This document introduces a simple mechanism to associate policies to This document introduces a simple mechanism to associate policies to
a group of Label Switched Paths (LSPs) via an extension to the Path a group of Label Switched Paths (LSPs) via an extension to the Path
Computation Element (PCE) Communication Protocol (PCEP). The Computation Element (PCE) Communication Protocol (PCEP). The
extension allows a PCEP speaker to advertise to a PCEP peer that a extension allows a PCEP speaker to advertise to a PCEP peer that a
particular LSP belongs to a particular Policy Association Group. particular LSP belongs to a particular Policy Association Group.
Status of This Memo Status of This Memo
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/. Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
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 April 8, 2021. This Internet-Draft will expire on June 11, 2021.
Copyright Notice Copyright Notice
Copyright (c) 2020 IETF Trust and the persons identified as the Copyright (c) 2020 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
(https://trustee.ietf.org/license-info) in effect on the date of (https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
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Mechanisms defined in this document do not have any impact on network Mechanisms defined in this document do not have any impact on network
operations in addition to those already listed in [RFC5440], operations in addition to those already listed in [RFC5440],
[RFC8231], and [RFC8281]. [RFC8231], and [RFC8281].
10. Acknowledgments 10. Acknowledgments
A special thanks to the authors of [RFC8697], this document borrowed A special thanks to the authors of [RFC8697], this document borrowed
some of the text from it. The authors would like to thank Aijun some of the text from it. The authors would like to thank Aijun
Wang, Peng Shuping, and Gyan Mishra for their useful comments. Wang, Peng Shuping, and Gyan Mishra for their useful comments.
Thanks to Hari for shepherding this document. Thanks to Hari for shepherding this document. Thanks to Deborah
Brungard for being the responsible AD for this document.
Thanks to Nic Leymann for RTGDIR review.
11. References 11. References
11.1. Normative References 11.1. 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>.
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[RFC8664] Sivabalan, S., Filsfils, C., Tantsura, J., Henderickx, W., [RFC8664] Sivabalan, S., Filsfils, C., Tantsura, J., Henderickx, W.,
and J. Hardwick, "Path Computation Element Communication and J. Hardwick, "Path Computation Element Communication
Protocol (PCEP) Extensions for Segment Routing", RFC 8664, Protocol (PCEP) Extensions for Segment Routing", RFC 8664,
DOI 10.17487/RFC8664, December 2019, DOI 10.17487/RFC8664, December 2019,
<https://www.rfc-editor.org/info/rfc8664>. <https://www.rfc-editor.org/info/rfc8664>.
[I-D.ietf-pce-pcep-yang] [I-D.ietf-pce-pcep-yang]
Dhody, D., Hardwick, J., Beeram, V., and J. Tantsura, "A Dhody, D., Hardwick, J., Beeram, V., and J. Tantsura, "A
YANG Data Model for Path Computation Element YANG Data Model for Path Computation Element
Communications Protocol (PCEP)", draft-ietf-pce-pcep- Communications Protocol (PCEP)", draft-ietf-pce-pcep-
yang-14 (work in progress), July 2020. yang-15 (work in progress), October 2020.
Appendix A. Example of Policy Parameters Appendix A. Example of Policy Parameters
An example could be a monitoring and telemetry policy P1 that is An example could be a monitoring and telemetry policy P1 that is
dependent on a profile (GOLD/SILVER/BRONZE) as set by the operator. dependent on a profile (GOLD/SILVER/BRONZE) as set by the operator.
The PCEP peers need to be aware of the policy P1 (and its associated The PCEP peers need to be aware of the policy P1 (and its associated
characteristics) in advance as well the fact that the policy characteristics) in advance as well the fact that the policy
parameter will encode the profile of type string in the POLICY- parameter will encode the profile of type string in the POLICY-
PARAMETERS-TLV. As an example, LSP1 could encode the PAG with the PARAMETERS-TLV. As an example, LSP1 could encode the PAG with the
POLICY-PARAMETERS-TLV with a string "GOLD". POLICY-PARAMETERS-TLV with a string "GOLD".
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