Deterministic Networking (DetNet) Controller Plane Framework
draft-malis-detnet-controller-plane-framework-05
Network Working Group A. Malis
Internet-Draft Independent
Intended status: Informational X. Geng
Expires: May 23, 2021 M. Chen
Huawei
F. Qin
China Mobile
B. Varga
Ericsson
November 19, 2020
Deterministic Networking (DetNet) Controller Plane Framework
draft-malis-detnet-controller-plane-framework-05
Abstract
This document provides a framework overview for the Deterministic
Networking (DetNet) controller plane. It discusses concepts and
requirements that will be basis for Detnet controller plane solution
documents.
Status of This Memo
This Internet-Draft is submitted in full conformance with the
provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
This Internet-Draft will expire on May 23, 2021.
Copyright Notice
Copyright (c) 2020 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
Provisions Relating to IETF Documents
(https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
Malis, et al. Expires May 23, 2021 [Page 1]
Internet-Draft DetNet Controller Plane November 2020
carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
1.1. Terminology . . . . . . . . . . . . . . . . . . . . . . . 3
2. DetNet Controller Plane Requirements . . . . . . . . . . . . 4
2.1. DetNet Control Plane Requirements . . . . . . . . . . . . 4
2.2. DetNet Management Plane Requirements . . . . . . . . . . 5
2.3. Requirements For Both Planes . . . . . . . . . . . . . . 5
3. DetNet Control Plane Architecture . . . . . . . . . . . . . . 6
3.1. Distributed Control Plane and Signaling Protocols . . . . 6
3.2. SDN/Fully Centralized Control Plane . . . . . . . . . . . 7
3.3. Combined Control Plane (partly centralized, partly
distributed) . . . . . . . . . . . . . . . . . . . . . . 8
4. DetNet Control Plane Additional Details and Issues . . . . . 8
4.1. Explicit Paths . . . . . . . . . . . . . . . . . . . . . 9
4.2. Resource Reservation . . . . . . . . . . . . . . . . . . 9
4.3. PREOF Support . . . . . . . . . . . . . . . . . . . . . . 10
4.4. Data Plane specific considerations . . . . . . . . . . . 10
4.4.1. DetNet in an MPLS Domain . . . . . . . . . . . . . . 10
4.4.2. DetNet in an IP Domain . . . . . . . . . . . . . . . 11
4.4.3. DetNet in a Segment Routing Domain . . . . . . . . . 12
5. Management Plane Overview . . . . . . . . . . . . . . . . . . 12
5.1. Provisioning . . . . . . . . . . . . . . . . . . . . . . 12
5.2. DetNet Operations, Administration and Maintenance (OAM) . 13
5.2.1. OAM for Performance Monitoring (PM) . . . . . . . . . 13
5.2.2. OAM for Connectivity and Fault/Defect Management
(CFM) . . . . . . . . . . . . . . . . . . . . . . . . 13
6. Gap Analysis . . . . . . . . . . . . . . . . . . . . . . . . 13
7. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 13
8. Security Considerations . . . . . . . . . . . . . . . . . . . 14
9. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . 14
10. References . . . . . . . . . . . . . . . . . . . . . . . . . 14
10.1. Normative References . . . . . . . . . . . . . . . . . . 14
10.2. Informative References . . . . . . . . . . . . . . . . . 16
Show full document text