CAPPORT Architecture
draft-ietf-capport-architecture-01

Document Type Active Internet-Draft (capport WG)
Last updated 2018-03-18
Replaces draft-larose-capport-architecture
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Internet Engineering Task Force                                K. Larose
Internet-Draft                                                  Sandvine
Intended status: Informational                                 D. Dolson
Expires: September 18, 2018                               March 17, 2018

                          CAPPORT Architecture
                   draft-ietf-capport-architecture-01

Abstract

   This document aims to document consensus on the CAPPORT architecture.
   DHCP or Router Advertisements, ICMP, and an HTTP API are used to
   provide the solution.  The role of Provisioning Domains (PvDs) is
   described.

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
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   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 September 18, 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
   (https://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
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   described in the Simplified BSD License.

Larose & Dolson        Expires September 18, 2018               [Page 1]
Internet-Draft            CAPPORT Architecture                March 2018

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Requirements Language . . . . . . . . . . . . . . . . . .   4
     1.2.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   4
   2.  Components  . . . . . . . . . . . . . . . . . . . . . . . . .   5
     2.1.  User Equipment  . . . . . . . . . . . . . . . . . . . . .   5
     2.2.  Provisioning Service  . . . . . . . . . . . . . . . . . .   6
       2.2.1.  DHCP or Router Advertisements . . . . . . . . . . . .   6
       2.2.2.  Provisioning Domains  . . . . . . . . . . . . . . . .   6
     2.3.  Captive Portal API Server . . . . . . . . . . . . . . . .   7
     2.4.  Captive Portal Enforcement  . . . . . . . . . . . . . . .   7
     2.5.  ICMP/ICMP6  . . . . . . . . . . . . . . . . . . . . . . .   8
     2.6.  Component Diagram . . . . . . . . . . . . . . . . . . . .   9
   3.  User Equipment Identity . . . . . . . . . . . . . . . . . . .  10
     3.1.  Identifiers . . . . . . . . . . . . . . . . . . . . . . .  10
     3.2.  Recommended Properties  . . . . . . . . . . . . . . . . .  10
       3.2.1.  Uniquely Identify User Equipment  . . . . . . . . . .  11
       3.2.2.  Hard to Spoof . . . . . . . . . . . . . . . . . . . .  11
       3.2.3.  Visible to the API  . . . . . . . . . . . . . . . . .  11
       3.2.4.  Visible to the Enforcement Device . . . . . . . . . .  11
     3.3.  Evaluating an Identifier  . . . . . . . . . . . . . . . .  12
     3.4.  Examples of an Identifier . . . . . . . . . . . . . . . .  12
       3.4.1.  Physical Interface  . . . . . . . . . . . . . . . . .  12
       3.4.2.  IP Address  . . . . . . . . . . . . . . . . . . . . .  13
   4.  Solution Workflow . . . . . . . . . . . . . . . . . . . . . .  13
     4.1.  Initial Connection  . . . . . . . . . . . . . . . . . . .  14
     4.2.  Conditions Expire . . . . . . . . . . . . . . . . . . . .  14
   5.  Acknowledgements  . . . . . . . . . . . . . . . . . . . . . .  15
   6.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  15
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  15
     7.1.  Trusting the Network  . . . . . . . . . . . . . . . . . .  15
     7.2.  Authenticated APIs  . . . . . . . . . . . . . . . . . . .  16
     7.3.  Secure APIs . . . . . . . . . . . . . . . . . . . . . . .  16
     7.4.  Risk of Nuisance Captive Portal . . . . . . . . . . . . .  16
     7.5.  User Options  . . . . . . . . . . . . . . . . . . . . . .  17
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  17
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .  17
     8.2.  Informative References  . . . . . . . . . . . . . . . . .  17
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  18
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