Discovering Provisioning Domain Names and Data
draft-ietf-intarea-provisioning-domains-01

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Document Type Active Internet-Draft (intarea WG)
Last updated 2018-02-09
Replaces draft-bruneau-intarea-provisioning-domains
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intarea                                                       P. Pfister
Internet-Draft                                            E. Vyncke, Ed.
Intended status: Standards Track                                   Cisco
Expires: August 13, 2018                                        T. Pauly
                                                             D. Schinazi
                                                                   Apple
                                                        February 9, 2018

             Discovering Provisioning Domain Names and Data
               draft-ietf-intarea-provisioning-domains-01

Abstract

   An increasing number of hosts access the Internet via multiple
   interfaces or, in IPv6 multi-homed networks, via multiple IPv6 prefix
   configurations.

   This document describes a way for hosts to identify such means,
   called Provisioning Domains (PvDs), with Fully Qualified Domain Names
   (FQDN).  Those identifiers are advertised in a new Router
   Advertisement (RA) option and, when present, are associated with the
   set of information included within the RA.

   Based on this FQDN, hosts can retrieve additional information about
   their network access characteristics via an HTTP over TLS query.
   This allows applications to select which Provisioning Domains to use
   as well as to provide configuration parameters to the transport layer
   and above.

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 August 13, 2018.

Pfister, et al.          Expires August 13, 2018                [Page 1]
Internet-Draft            Provisioning Domains             February 2018

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
   Provisions Relating to IETF Documents
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Provisioning Domain Identification using Router
       Advertisements  . . . . . . . . . . . . . . . . . . . . . . .   4
     3.1.  PvD ID Option for Router Advertisements . . . . . . . . .   4
     3.2.  Router Behavior . . . . . . . . . . . . . . . . . . . . .   7
     3.3.  Host Behavior . . . . . . . . . . . . . . . . . . . . . .   7
       3.3.1.  DHCPv6 configuration association  . . . . . . . . . .   8
       3.3.2.  DHCPv4 configuration association  . . . . . . . . . .   8
       3.3.3.  Interconnection Sharing by the Host . . . . . . . . .   9
   4.  Provisioning Domain Additional Information  . . . . . . . . .   9
     4.1.  Retrieving the PvD Additional Information . . . . . . . .   9
     4.2.  Operational Consideration to Providing the PvD Additional
           Information . . . . . . . . . . . . . . . . . . . . . . .  10
     4.3.  PvD Additional Information Format . . . . . . . . . . . .  11
       4.3.1.  Private Extensions  . . . . . . . . . . . . . . . . .  12
       4.3.2.  Example . . . . . . . . . . . . . . . . . . . . . . .  12
     4.4.  Detecting misconfiguration and misuse . . . . . . . . . .  13
   5.  Operation Considerations  . . . . . . . . . . . . . . . . . .  13
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  15
   7.  Privacy Considerations  . . . . . . . . . . . . . . . . . . .  15
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  16
   9.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  16
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .  16
     10.1.  Normative references . . . . . . . . . . . . . . . . . .  16
     10.2.  Informative references . . . . . . . . . . . . . . . . .  17
   Appendix A.  Changelog  . . . . . . . . . . . . . . . . . . . . .  19
     A.1.  Version 00  . . . . . . . . . . . . . . . . . . . . . . .  19
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