draft-filsfils-spring-sr-recursing-info-04.txt   draft-filsfils-spring-sr-recursing-info-05.txt 
SPRING C. Filsfils SPRING C. Filsfils
Internet-Draft S. Previdi Internet-Draft S. Previdi
Intended status: Standards Track P. Psenak Intended status: Standards Track P. Psenak
Expires: October 13, 2017 L. Ginsberg Expires: December 22, 2017 L. Ginsberg
Cisco Systems, Inc. Cisco Systems, Inc.
April 11, 2017 June 20, 2017
Segment Routing Recursive Information Segment Routing Recursive Information
draft-filsfils-spring-sr-recursing-info-04 draft-filsfils-spring-sr-recursing-info-05
Abstract Abstract
Segment Routing (SR) allows for a flexible definition of end-to-end Segment Routing (SR) allows for a flexible definition of end-to-end
paths within IGP topologies by encoding paths as sequences of paths within IGP topologies by encoding paths as sequences of
topological sub-paths, called "segments". These segments are topological sub-paths, called "segments". These segments are
advertised by the link-state routing protocols (IS-IS and OSPF). advertised by the link-state routing protocols (IS-IS and OSPF).
There are use cases where it is desirable to utilize a SID associated There are use cases where it is desirable to utilize a SID associated
with a given node in order to transport traffic destined to different with a given node in order to transport traffic destined to different
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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 http://datatracker.ietf.org/drafts/current/. Drafts is at http://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 October 13, 2017. This Internet-Draft will expire on December 22, 2017.
Copyright Notice Copyright Notice
Copyright (c) 2017 IETF Trust and the persons identified as the Copyright (c) 2017 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
(http://trustee.ietf.org/license-info) in effect on the date of (http://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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Authors' Addresses Authors' Addresses
Clarence Filsfils Clarence Filsfils
Cisco Systems, Inc. Cisco Systems, Inc.
Brussels Brussels
BE BE
Email: cfilsfil@cisco.com Email: cfilsfil@cisco.com
Stefano Previdi Stefano Previdi
Cisco Systems, Inc. Cisco Systems, Inc.
Via Del Serafico, 200
Rome 00142
Italy Italy
Email: sprevidi@cisco.com Email: stefano@previdi.net
Peter Psenak Peter Psenak
Cisco Systems, Inc. Cisco Systems, Inc.
Apollo Business Center Apollo Business Center
Mlynske nivy 43 Mlynske nivy 43
Bratislava 821 09 Bratislava 821 09
Slovakia Slovakia
Email: ppsenak@cisco.com Email: ppsenak@cisco.com
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