Privacy Considerations for Internet Protocols
draft-iab-privacy-considerations-03

The information below is for an old version of the document
Document Type Active Internet-Draft
Last updated 2012-07-16
Replaces draft-morris-privacy-considerations
Stream IAB
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RFC Editor Note (None)
Network Working Group                                          A. Cooper
Internet-Draft                                                       CDT
Intended status: Informational                             H. Tschofenig
Expires: January 17, 2013                         Nokia Siemens Networks
                                                                B. Aboba
                                                   Microsoft Corporation
                                                             J. Peterson
                                                           NeuStar, Inc.
                                                               J. Morris

                                                               M. Hansen
                                                                ULD Kiel
                                                                R. Smith
                                                               JANET(UK)
                                                           July 16, 2012

             Privacy Considerations for Internet Protocols
                draft-iab-privacy-considerations-03.txt

Abstract

   This document offers guidance for developing privacy considerations
   for inclusion in IETF documents and aims to make protocol designers
   aware of privacy-related design choices.

   Discussion of this document is taking place on the IETF Privacy
   Discussion mailing list (see
   https://www.ietf.org/mailman/listinfo/ietf-privacy).

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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   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 January 17, 2013.

Copyright Notice

Cooper, et al.          Expires January 17, 2013                [Page 1]
Internet-Draft           Privacy Considerations                July 2012

   Copyright (c) 2012 IETF Trust and the persons identified as the
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  3
   2.  Scope  . . . . . . . . . . . . . . . . . . . . . . . . . . . .  4
   3.  Terminology  . . . . . . . . . . . . . . . . . . . . . . . . .  6
     3.1.  Entities . . . . . . . . . . . . . . . . . . . . . . . . .  6
     3.2.  Data and Analysis  . . . . . . . . . . . . . . . . . . . .  6
     3.3.  Identifiability  . . . . . . . . . . . . . . . . . . . . .  7
   4.  Internet Privacy Threat Model  . . . . . . . . . . . . . . . .  9
     4.1.  Communications Model . . . . . . . . . . . . . . . . . . .  9
     4.2.  Privacy Threats  . . . . . . . . . . . . . . . . . . . . . 10
       4.2.1.  Combined Security-Privacy Threats  . . . . . . . . . . 11
       4.2.2.  Privacy-Specific Threats . . . . . . . . . . . . . . . 12
   5.  Threat Mitigations . . . . . . . . . . . . . . . . . . . . . . 16
     5.1.  Data Minimization  . . . . . . . . . . . . . . . . . . . . 16
       5.1.1.  Anonymity  . . . . . . . . . . . . . . . . . . . . . . 16
       5.1.2.  Pseudonymity . . . . . . . . . . . . . . . . . . . . . 17
       5.1.3.  Identity Confidentiality . . . . . . . . . . . . . . . 18
       5.1.4.  Data Minimization within Identity Management . . . . . 18
     5.2.  User Participation . . . . . . . . . . . . . . . . . . . . 19
     5.3.  Security . . . . . . . . . . . . . . . . . . . . . . . . . 19
   6.  Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . 21
     6.1.  General  . . . . . . . . . . . . . . . . . . . . . . . . . 21
     6.2.  Data Minimization  . . . . . . . . . . . . . . . . . . . . 21
     6.3.  User Participation . . . . . . . . . . . . . . . . . . . . 22
     6.4.  Security . . . . . . . . . . . . . . . . . . . . . . . . . 23
   7.  Example  . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
   8.  Security Considerations  . . . . . . . . . . . . . . . . . . . 29
   9.  IANA Considerations  . . . . . . . . . . . . . . . . . . . . . 30
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