< draft-zch-lsr-isis-network-slicing-00.txt   draft-zch-lsr-isis-network-slicing-01.txt >
Networking Working Group Yongqing. Zhu Networking Working Group Yongqing. Zhu
Internet-Draft China Telecom Internet-Draft China Telecom
Intended status: Standards Track Ran. Chen Intended status: Standards Track Ran. Chen
Expires: January 5, 2020 Shaofu. Peng Expires: January 7, 2020 Shaofu. Peng
ZTE Corporation ZTE Corporation
July 4, 2019 July 6, 2019
IS-IS Extensions to Support Packet Network Slicing using Segment Routing IS-IS Extensions to Support Packet Network Slicing using Segment Routing
draft-zch-lsr-isis-network-slicing-00 draft-zch-lsr-isis-network-slicing-01
Abstract Abstract
[I-D.peng-lsr-network-slicing] defines a unified administrative [I-D.peng-lsr-network-slicing] defines a unified administrative
instance identifier to distinguish different virtual network instance identifier to distinguish different virtual network
resources for both intra-domain and inter-domain network slicing resources for both intra-domain and inter-domain network slicing
scenarios. This draft describes the IS-IS extensions required to scenarios. This draft describes the IS-IS extensions required to
support Packet Network Slicing using Segment Routing. support Packet Network Slicing using Segment Routing.
Status of This Memo Status of This Memo
skipping to change at page 1, line 36 skipping to change at page 1, line 36
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 January 5, 2020. This Internet-Draft will expire on January 7, 2020.
Copyright Notice Copyright Notice
Copyright (c) 2019 IETF Trust and the persons identified as the Copyright (c) 2019 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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TLV-222 (Multitopology IS)[RFC5120]. TLV-222 (Multitopology IS)[RFC5120].
TLV-23 (IS Neighbor Attribute)[RFC5311]. TLV-23 (IS Neighbor Attribute)[RFC5311].
TLV-223 (Multitopology IS Neighbor Attribute)[RFC5311]. TLV-223 (Multitopology IS Neighbor Attribute)[RFC5311].
TLV-141 (inter-AS reachability information)[RFC5316]. TLV-141 (inter-AS reachability information)[RFC5316].
This sub-TLV SHOULD appear once at most in each TLV. Indicates that This sub-TLV SHOULD appear once at most in each TLV. Indicates that
a link can be belong to multiple virtual networks. a link MAY belong to multiple virtual networks.
Note that AII 0 does not require notification, and all links are Note that AII 0 does not require notification, and all links are
always in AII 0 at the same time. always in AII 0 at the same time.
4. Advertising prefix-SID per AII information 4. Advertising prefix-SID per AII information
[I-D.ietf-isis-segment-routing-extensions] defines a new IS-IS sub- [I-D.ietf-isis-segment-routing-extensions] defines a new IS-IS sub-
TLV: the Prefix Segment Identifier sub-TLV (Prefix-SID sub-TLV). The TLV: the Prefix Segment Identifier sub-TLV (Prefix-SID sub-TLV). The
Prefix-SID sub-TLV carries the Segment Routing IGP-Prefix-SID as Prefix-SID sub-TLV carries the Segment Routing IGP-Prefix-SID as
defined in [RFC8402], and is associated to a prefix advertised by a defined in [RFC8402], and is associated to a prefix advertised by a
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[I-D.peng-lsr-network-slicing] [I-D.peng-lsr-network-slicing]
Peng, S., Chen, R., and G. Mirsky, "Packet Network Slicing Peng, S., Chen, R., and G. Mirsky, "Packet Network Slicing
using Segment Routing", draft-peng-lsr-network-slicing-00 using Segment Routing", draft-peng-lsr-network-slicing-00
(work in progress), February 2019. (work in progress), February 2019.
Authors' Addresses Authors' Addresses
Yongqing Zhu Yongqing Zhu
China Telecom China Telecom
Email: zhuyq@gsta.com Email: zhuyq.gd@chinatelecom.cn
Ran Chen Ran Chen
ZTE Corporation ZTE Corporation
Email: chen.ran@zte.com.cn Email: chen.ran@zte.com.cn
Shaofu Peng Shaofu Peng
ZTE Corporation ZTE Corporation
Email: peng.shaofu@zte.com.cn Email: peng.shaofu@zte.com.cn
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