draft-ietf-lsr-flex-algo-00.txt   draft-ietf-lsr-flex-algo-01.txt 
Network Working Group P. Psenak, Ed. Network Working Group P. Psenak, Ed.
Internet-Draft Cisco Systems Internet-Draft Cisco Systems
Intended status: Standards Track S. Hegde Intended status: Standards Track S. Hegde
Expires: November 16, 2018 Juniper Networks, Inc. Expires: May 16, 2019 Juniper Networks, Inc.
C. Filsfils C. Filsfils
K. Talaulikar K. Talaulikar
Cisco Systems, Inc. Cisco Systems, Inc.
A. Gulko A. Gulko
Thomson Reuters Thomson Reuters
May 15, 2018 November 12, 2018
IGP Flexible Algorithm IGP Flexible Algorithm
draft-ietf-lsr-flex-algo-00.txt draft-ietf-lsr-flex-algo-01.txt
Abstract Abstract
IGP protocols traditionally compute best paths over the network based IGP protocols traditionally compute best paths over the network based
on the IGP metric assigned to the links. Many network deployments on the IGP metric assigned to the links. Many network deployments
use RSVP-TE based or Segment Routing based Traffic Engineering to use RSVP-TE based or Segment Routing based Traffic Engineering to
enforce traffic over a path that is computed using different metrics enforce traffic over a path that is computed using different metrics
or constraints than the shortest IGP path. This document proposes a or constraints than the shortest IGP path. This document proposes a
solution that allows IGPs themselves to compute constraint based solution that allows IGPs themselves to compute constraint based
paths over the network. This document also specifies a way of using paths over the network. This document also specifies a way of using
skipping to change at page 1, line 44 skipping to change at page 1, line 44
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 November 16, 2018. This Internet-Draft will expire on May 16, 2019.
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
(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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Thanks to Kenji Kumaki for his comments. Thanks to Kenji Kumaki for his comments.
16. References 16. References
16.1. Normative References 16.1. Normative References
[BCP14] , <https://tools.ietf.org/html/bcp14>. [BCP14] , <https://tools.ietf.org/html/bcp14>.
[I-D.ietf-isis-segment-routing-extensions] [I-D.ietf-isis-segment-routing-extensions]
Previdi, S., Ginsberg, L., Filsfils, C., Bashandy, A., Previdi, S., Ginsberg, L., Filsfils, C., Bashandy, A.,
Gredler, H., Litkowski, S., Decraene, B., and J. Tantsura, Gredler, H., and B. Decraene, "IS-IS Extensions for
"IS-IS Extensions for Segment Routing", draft-ietf-isis- Segment Routing", draft-ietf-isis-segment-routing-
segment-routing-extensions-16 (work in progress), April extensions-20 (work in progress), November 2018.
2018.
[I-D.ietf-isis-te-app] [I-D.ietf-isis-te-app]
Ginsberg, L., Psenak, P., Previdi, S., Henderickx, W., and Ginsberg, L., Psenak, P., Previdi, S., Henderickx, W., and
J. Drake, "IS-IS TE Attributes per application", draft- J. Drake, "IS-IS TE Attributes per application", draft-
ietf-isis-te-app-04 (work in progress), April 2018. ietf-isis-te-app-05 (work in progress), October 2018.
[I-D.ietf-ospf-ospfv3-segment-routing-extensions] [I-D.ietf-ospf-ospfv3-segment-routing-extensions]
Psenak, P., Filsfils, C., Previdi, S., Gredler, H., Psenak, P. and S. Previdi, "OSPFv3 Extensions for Segment
Shakir, R., Henderickx, W., and J. Tantsura, "OSPFv3 Routing", draft-ietf-ospf-ospfv3-segment-routing-
Extensions for Segment Routing", draft-ietf-ospf-ospfv3- extensions-17 (work in progress), November 2018.
segment-routing-extensions-12 (work in progress), April
2018.
[I-D.ietf-ospf-segment-routing-extensions] [I-D.ietf-ospf-segment-routing-extensions]
Psenak, P., Previdi, S., Filsfils, C., Gredler, H., Psenak, P., Previdi, S., Filsfils, C., Gredler, H.,
Shakir, R., Henderickx, W., and J. Tantsura, "OSPF Shakir, R., Henderickx, W., and J. Tantsura, "OSPF
Extensions for Segment Routing", draft-ietf-ospf-segment- Extensions for Segment Routing", draft-ietf-ospf-segment-
routing-extensions-25 (work in progress), April 2018. routing-extensions-25 (work in progress), April 2018.
[I-D.ietf-ospf-te-link-attr-reuse] [I-D.ietf-ospf-te-link-attr-reuse]
Psenak, P., Lindem, A., Ginsberg, L., Henderickx, W., Psenak, P., Lindem, A., Ginsberg, L., Henderickx, W.,
Tantsura, J., Gredler, H., and J. Drake, "OSPFv2 Link Tantsura, J., Gredler, H., and J. Drake, "OSPF Link
Traffic Engineering (TE) Attribute Reuse", draft-ietf- Traffic Engineering (TE) Attribute Reuse", draft-ietf-
ospf-te-link-attr-reuse-03 (work in progress), January ospf-te-link-attr-reuse-06 (work in progress), November
2018. 2018.
[ISO10589] [ISO10589]
International Organization for Standardization, International Organization for Standardization,
"Intermediate system to Intermediate system intra-domain "Intermediate system to Intermediate system intra-domain
routeing information exchange protocol for use in routeing information exchange protocol for use in
conjunction with the protocol for providing the conjunction with the protocol for providing the
connectionless-mode Network Service (ISO 8473)", ISO/ connectionless-mode Network Service (ISO 8473)", ISO/
IEC 10589:2002, Second Edition, Nov 2002. IEC 10589:2002, Second Edition, Nov 2002.
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