A YANG Model for VPN Service Performance Monitoring
draft-www-bess-yang-vpn-service-pm-00

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BESS Working Group                                               M. Wang
Internet-Draft                                                     Q. Wu
Intended status: Standards Track                                 R. Even
Expires: March 31, 2019                                           Huawei
                                                                  B. Wen
                                                                 Comcast
                                                      September 27, 2018

          A YANG Model for VPN Service Performance Monitoring
                 draft-www-bess-yang-vpn-service-pm-00

Abstract

   As specified in [RFC8345], the data model defined in
   [RFC8345]introduces vertical layering relationships between networks
   that can be augmented to cover network/service topologies.  This
   document defines a YANG Model for VPN Service Performance Monitoring
   that can be used to monitor and manage network Performance between
   VPN sites and it is an augmentation to the I2RS network topology YANG
   data model.

Status of This Memo

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   This Internet-Draft will expire on March 31, 2019.

Copyright Notice

   Copyright (c) 2018 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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   (https://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents

Wang, et al.             Expires March 31, 2019                 [Page 1]
Internet-Draft              Service Topo YANG             September 2018

   carefully, as they describe your rights and restrictions with respect
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Conventions used in this document . . . . . . . . . . . . . .   3
   3.  VPN Service Topology Overview . . . . . . . . . . . . . . . .   4
   4.  VPN service assurance model . . . . . . . . . . . . . . . . .   5
   5.  Model Usage Guideline . . . . . . . . . . . . . . . . . . . .   5
     5.1.  Performance Monitoring Data Source  . . . . . . . . . . .   5
     5.2.  Retrieval via I2RS Pub/Sub  . . . . . . . . . . . . . . .   5
     5.3.  On demand Retrieval via RPC model . . . . . . . . . . . .   6
   6.  Design of the Data Model  . . . . . . . . . . . . . . . . . .   6
     6.1.  Network Level . . . . . . . . . . . . . . . . . . . . . .   6
     6.2.  Node Level  . . . . . . . . . . . . . . . . . . . . . . .   6
     6.3.  Link and Termination Point Level  . . . . . . . . . . . .   7
   7.  Example of I2RS Pub/Sub Retrieval . . . . . . . . . . . . . .   8
   8.  Example of RPC model based Retrieval  . . . . . . . . . . . .   9
   9.  VPN Service Assurance YANG Module . . . . . . . . . . . . . .   9
   10. Security Considerations . . . . . . . . . . . . . . . . . . .  16
   11. IANA Considerations . . . . . . . . . . . . . . . . . . . . .  17
   12. Normative References  . . . . . . . . . . . . . . . . . . . .  17
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  18

1.  Introduction

   [RFC8345] defines an abstract YANG data model for network/service
   topologies and inventories.  Service topology in [RFC8345] includes
   the a virtual topology for a service layer above the L1, L2, and L3
   layers.  This virtual topology has the generic topology elements of
   node,link, and terminating point.  One typical example of a service
   topology is described in figure 3 of [RFC8345],two VPN service
   topologies instantiated over a common L3 topology.  Each VPN service
   topology is mapped onto a subset of nodes from the common L3
   topology.

   In [RFC8299], the 3 types of VPN service topologies proposed for
   L3VPN service data model are any to any, hub and spoke, hub and spoke
   disjoint.  These VPN topology types can be used to describe how VPN
   sites are communicating with each other.

   This document defines a YANG Model for VPN Service Performance
   Monitoring that can be used to monitor and manage network Performance
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