A YANG Data Model for Address Pool Management
draft-sun-casm-address-pool-management-yang-00

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Last updated 2017-03-13
Replaces draft-sun-i2apm-address-pool-management-yang
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Network Working Group                                             Q. Sun
Internet-Draft                                                    C. Xie
Intended status: Informational                             China Telecom
Expires: September 14, 2017                                 M. Boucadair
                                                                  Orange
                                                                 T. Peng
                                                     Huawei Technologies
                                                                  Y. Lee
                                                                 Comcast
                                                          March 13, 2017

             A YANG Data Model for Address Pool Management
             draft-sun-casm-address-pool-management-yang-00

Abstract

   This document specifies a YANG data model for IP address pool
   management.  It can be used to automatically allocate, update and
   delete address pools in different devices of an underlying network.

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   This Internet-Draft will expire on September 14, 2017.

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   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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Sun, et al.            Expires September 14, 2017               [Page 1]
Internet-Draft   Yang Model for Address Pool Management       March 2017

   to this document.  Code Components extracted from this document must
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  AddressPoolManagement Data Model  . . . . . . . . . . . . . .   3
   4.  AddressPoolManagement YANG Module . . . . . . . . . . . . . .   4
   5.  Security Considerations . . . . . . . . . . . . . . . . . . .  13
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  13
   7.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  13
   8.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  14
   9.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  14
     9.1.  Normative References  . . . . . . . . . . . . . . . . . .  14
     9.2.  Informative References  . . . . . . . . . . . . . . . . .  14
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  14

1.  Introduction

   IP address pool management is one of the basic elements to configure
   in a network to offer connectivity services to connected devices.
   Concretely, pools can be provisioned to DHCP servers, IPv4 service
   continuity devices (e.g., DS-Lite AFTR, NAT64), Carrier Grade NAT
   (CGN), Broadband Network Gateway (BNG), etc.  Automated means to
   rationalize the management of address resources and to make sure the
   underlying routing and forwarding capabilities are appropriately
   configured, are helpful for opertaors.  This document specifies a
   YANG data model for that purpose.

   A device can be provisioned with a pool of addresses for various
   reasons: service requesting hosts with addresses or prefixes (e.g.,
   DHCP server, Delegating router), inject appropriate routing entries
   (e.g., PE, BNG) given that prefix assignments and routing actions
   must be correlated otherwise delivery of connectivity service will
   fail.  This document does not elaborate the usage of pools
   provisioned to a network element.

   It is worth mentioning that: (1) current practices rely on static
   configuration which is prone to errors, (2) the level of route
   aggregation cannot be driven by PE routers without any hint(s) from
   an entity that has the visibility on aggregation policies and the
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