BIER-TE-based OAM, Replication and Elimination
draft-thubert-bier-replication-elimination-01
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DetNet P. Thubert, Ed.
Internet-Draft Cisco
Intended status: Standards Track Z. Brodard
Expires: January 25, 2018 Ecole Polytechnique
H. Jiang
Telecom Bretagne
July 24, 2017
BIER-TE-based OAM, Replication and Elimination
draft-thubert-bier-replication-elimination-01
Abstract
This specification leverages Bit Index Explicit Replication - Traffic
Engineering to control in the data plane the DetNet Replication and
Elimination activities, and to provide traceability on links where
replication and loss happen, in a manner that is abstract to the
forwarding information.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
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This Internet-Draft will expire on January 25, 2018.
Copyright Notice
Copyright (c) 2017 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
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Thubert, et al. Expires January 25, 2018 [Page 1]
Internet-Draft BIER-TE-based OAM July 2017
include Simplified BSD License text as described in Section 4.e of
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described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 3
3. On BIER - Traffic Engineering . . . . . . . . . . . . . . . . 3
4. BIER-TE-based Replication and Elimination Control . . . . . . 4
5. Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6. Implementation Status . . . . . . . . . . . . . . . . . . . . 8
7. Security considerations . . . . . . . . . . . . . . . . . . . 9
8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 9
9. Acknowledgements . . . . . . . . . . . . . . . . . . . . . . 9
10. References . . . . . . . . . . . . . . . . . . . . . . . . . 9
10.1. Normative References . . . . . . . . . . . . . . . . . . 9
10.2. Informative References . . . . . . . . . . . . . . . . . 10
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 11
1. Introduction
Deterministic Networking (DetNet) [I-D.ietf-detnet-problem-statement]
provides a capability to carry unicast or multicast data flows for
real-time applications with extremely low data loss rates and known
upper bound maximum latency [I-D.ietf-detnet-architecture].
DetNet applies to multiple environments where there is a desire to
replace a point to point serial cable or a multidrop bus by a
switched or routed infrastucture, in order to scale, lower costs, and
simplify management. One classical use case is found in particular
in the context of the convergence of IT with Operational Technology
(OT), also referred to as the Industrial Internet. But there are
many others use cases [I-D.ietf-detnet-use-cases], for instance in in
professional audio and video, automotive, radio fronthauls, etc..
The DetNet data plane alternatives [I-D.dt-detnet-dp-alt] studies the
applicability of existing and emerging dataplane techniques that can
be leveraged to enable DetNet properties in IP networks. One
critical feature in the dataplane is traceability, the capability to
control the activity of intermediate nodes on a packet. For
instance, if Replication and Elimination is applied to a packet, then
it is desirable to determine which node performed a certain copy of
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