< draft-ietf-lsr-isis-ttz-04.txt   draft-ietf-lsr-isis-ttz-05.txt >
Internet Engineering Task Force H. Chen Internet Engineering Task Force H. Chen
Internet-Draft R. Li Internet-Draft R. Li
Intended status: Experimental Futurewei Intended status: Experimental Futurewei
Expires: April 2, 2022 Y. Yang Expires: October 2, 2022 Y. Yang
IBM IBM
A. Kumar S N A. Kumar S N
RtBrick RtBrick
Y. Fan Y. Fan
Casa Systems Casa Systems
N. So N. So
V. Liu V. Liu
M. Toy M. Toy
Verizon Verizon
L. Liu L. Liu
Fujitsu Fujitsu
K. Makhijani K. Makhijani
Futurewei Futurewei
September 29, 2021 March 31, 2022
IS-IS Topology-Transparent Zone IS-IS Topology-Transparent Zone
draft-ietf-lsr-isis-ttz-04 draft-ietf-lsr-isis-ttz-05
Abstract Abstract
This document specifies a topology-transparent zone in an IS-IS area. This document specifies a topology-transparent zone in an IS-IS area.
A zone is a subset (block/piece) of an area, which comprises a group A zone is a subset (block/piece) of an area, which comprises a group
of routers and a number of circuits connecting them. It is of routers and a number of circuits connecting them. It is
abstracted as a virtual entity such as a single virtual node or zone abstracted as a virtual entity such as a single virtual node or zone
edges mesh. Any router outside of the zone is not aware of the zone. edges mesh. Any router outside of the zone is not aware of the zone.
The information about the circuits and routers inside the zone is not The information about the circuits and routers inside the zone is not
distributed to any router outside of the zone. distributed to any router outside of the zone.
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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 2, 2022. This Internet-Draft will expire on October 2, 2022.
Copyright Notice Copyright Notice
Copyright (c) 2021 IETF Trust and the persons identified as the Copyright (c) 2022 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
carefully, as they describe your rights and restrictions with respect carefully, as they describe your rights and restrictions with respect
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
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The authors would like to thank Acee Lindem, Adrian Farrel, Abhay The authors would like to thank Acee Lindem, Adrian Farrel, Abhay
Roy, Christian Hopps, Dean Cheng, Russ White, Tony Przygienda, Wenhu Roy, Christian Hopps, Dean Cheng, Russ White, Tony Przygienda, Wenhu
Lu, Lin Han, Donald Eastlake, Tony Li, Robert Raszuk, Padmadevi Lu, Lin Han, Donald Eastlake, Tony Li, Robert Raszuk, Padmadevi
Pillay Esnault, and Yang Yu for their valuable comments on TTZ. Pillay Esnault, and Yang Yu for their valuable comments on TTZ.
12. References 12. References
12.1. Normative References 12.1. Normative References
[I-D.ietf-lsr-dynamic-flooding] [I-D.ietf-lsr-dynamic-flooding]
Li, T., Psenak, P., Ginsberg, L., Chen, H., Przygienda, Li, T., Przygienda, T., Psenak, P., Ginsberg, L., Chen,
T., Cooper, D., Jalil, L., Dontula, S., and G. S. Mishra, H., Cooper, D., Jalil, L., Dontula, S., and G. S. Mishra,
"Dynamic Flooding on Dense Graphs", draft-ietf-lsr- "Dynamic Flooding on Dense Graphs", draft-ietf-lsr-
dynamic-flooding-09 (work in progress), June 2021. dynamic-flooding-10 (work in progress), December 2021.
[I-D.ietf-spring-segment-routing] [I-D.ietf-spring-segment-routing]
Filsfils, C., Previdi, S., Ginsberg, L., Decraene, B., Filsfils, C., Previdi, S., Ginsberg, L., Decraene, B.,
Litkowski, S., and R. Shakir, "Segment Routing Litkowski, S., and R. Shakir, "Segment Routing
Architecture", draft-ietf-spring-segment-routing-15 (work Architecture", draft-ietf-spring-segment-routing-15 (work
in progress), January 2018. in progress), January 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
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