YANG Data Model for FlexE Interface Management
draft-jiang-ccamp-flexe-yang-01

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Last updated 2019-07-08
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- Yang catalog entry for ietf-flexe@2019-07-05.yang
- Yang catalog entry for ietf-interfaces-flexe-client@2019-07-05.yang
- Yang impact analysis for draft-jiang-ccamp-flexe-yang
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Internet Working Group                                       Y. Jiang
Internet Draft                                                  X. He
Intended status: Standards Track                               Huawei
                                                             W. Cheng
                                                         China Mobile
                                                              J. Wang
                                                               Y. Han
                                                            Fiberhome
Expires: January 2020                                    July 8, 2019

            YANG Data Model for FlexE Interface Management
                  draft-jiang-ccamp-flexe-yang-01

Abstract

   This document defines a YANG data model for the configuration of
   FlexE 2.0 interface, and its FlexE clients. The YANG module in this
   document conforms to the Network Management Datastore Architecture
   (NMDA).

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
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   reference material or to cite them other than as "work in progress."

   This Internet-Draft will expire on January 8, 2020.

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   Copyright (c) 2019 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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   (http://trustee.ietf.org/license-info) in effect on the date of
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   document must include Simplified BSD License text as described in
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   warranty as described in the Simplified BSD License.

Table of Contents

   1.    Introduction ........................................... 2
      1.1.  Conventions used in this document ................... 3
      1.2.  Terminology ......................................... 3
   2.    YANG model hierarchy for FlexE interface ............... 3
   3.    YANG Module for FlexE interface ........................ 6
   4.    YANG Module for FlexE client interface ............... 1 2
   5.    Security Considerations .............................. 1 3
   6.    IANA Considerations .................................. 1 5
   7.    References ........................................... 1 5
      7.1.  Normative References .............................. 1 5
      7.2.  Informative References ............................ 1 6
   8.    Acknowledgments ...................................... 1 6

1. Introduction

   The Flex Ethernet (FlexE) 2.0 Implementation Agreement [FLEXE]
   defined by the OIF provides the support of a variety of Ethernet MAC
   rates that may or may not correspond to any existing Ethernet PHY
   rate. This includes MAC rates that are both greater than (through
   bonding) and less than (through sub-rate and channelization) the
   Ethernet PHY rates used to carry FlexE. Besides 100GBASE-R PHYs,
   FlexE 2.0 further supports the bonding of 200GBASE-R PHYs or
   400GBASE-R PHYs respectively.

   In the FlexE, multiple Ethernet PHYs (each PHY can further consist
   of one or more FlexE Instances) are bonded into a FlexE Group, and
   the total capacity of the FlexE Group is represented as a collection
   of slots (e.g., each slot has a granularity of 5Gbps or 25Gbps).
   Based on their bandwidth needs, FlexE Clients are each mapped into
   one or more slots in a FlexE group. The FlexE mechanism operates
   using a calendar consisting of these slots.

   This calendar is partitioned into sub-calendars for each FlexE
   instance. For example, the calendar for a FlexE Group composed of n
   100G PHYs is partitioned into 20n slots (each slot representing
   5Gbps of bandwidth when the slot granularity is 5Gbps).

   This document defines a YANG data model for the configuration of a
   Flex Ethernet interface (i.e., FlexE Group). The data model is

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