Requirements for Marking SIP Messages to be Logged
draft-ietf-insipid-logme-reqs-08

The information below is for an old version of the document
Document Type Active Internet-Draft (insipid WG)
Authors Peter Dawes  , Chidambaram Arunachalam 
Last updated 2016-10-03
Replaces draft-dawes-insipid-logme-reqs
Stream IETF
Intended RFC status Informational
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Revised I-D Needed - Issue raised by WGLC
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Internet Engineering Task Force                                 P. Dawes
Internet-Draft                                            Vodafone Group
Intended status: Informational                            C. Arunachalam
Expires: April 6, 2017                                     Cisco Systems
                                                         October 3, 2016

           Requirements for Marking SIP Messages to be Logged
                    draft-ietf-insipid-logme-reqs-08

Abstract

   SIP networks use signaling monitoring tools to debug customer
   reported problems and for regression testing if network or client
   software is upgraded.  As networks grow and become interconnected,
   including connection via transit networks, it becomes impractical to
   predict the path that SIP signaling will take between clients, and
   therefore impractical to monitor SIP signaling end-to-end.

   This draft describes requirements for adding an indicator to the SIP
   protocol data unit (PDU, or a SIP message) that marks the PDU as a
   candidate for logging.  Such marking will typically be applied as
   part of network testing controlled by the network operator and not
   used in regular client signaling.  However, such marking can be
   carried end-to-end including the SIP terminals, even if a session
   originates and terminates in different networks.

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 http://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 April 6, 2017.

Dawes & Arunachalam       Expires April 6, 2017                 [Page 1]
Internet-Draft                log me marker                 October 2016

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   document authors.  All rights reserved.

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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
   2.  Conventions Used in this Document . . . . . . . . . . . . . .   3
   3.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . .   3
     3.1.  Network Boundary  . . . . . . . . . . . . . . . . . . . .   3
     3.2.  Trust Domain  . . . . . . . . . . . . . . . . . . . . . .   4
     3.3.  Intermediary  . . . . . . . . . . . . . . . . . . . . . .   4
   4.  Motivating Scenario . . . . . . . . . . . . . . . . . . . . .   4
     4.1.  Introduction  . . . . . . . . . . . . . . . . . . . . . .   4
     4.2.  Example Network Arrangement . . . . . . . . . . . . . . .   4
     4.3.  Example Debugging Procedure . . . . . . . . . . . . . . .   5
   5.  Logme Marking Requirements  . . . . . . . . . . . . . . . . .   6
     5.1.  Message Logs  . . . . . . . . . . . . . . . . . . . . . .   6
     5.2.  "Log Me" Marking  . . . . . . . . . . . . . . . . . . . .   6
     5.3.  Processing the "Log Me" Marker  . . . . . . . . . . . . .   7
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .   8
     6.1.  Trust Domain  . . . . . . . . . . . . . . . . . . . . . .   8
     6.2.  Security Threats  . . . . . . . . . . . . . . . . . . . .   8
       6.2.1.  "Log Me" Marking  . . . . . . . . . . . . . . . . . .   8
       6.2.2.  Logged Information  . . . . . . . . . . . . . . . . .   9
   7.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .   9
   8.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   9
     8.1.  Normative References  . . . . . . . . . . . . . . . . . .   9
     8.2.  Informative References  . . . . . . . . . . . . . . . . .   9
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  10

1.  Introduction

   Service providers, enterprises, and others who operate networks that
   use SIP (see [RFC3261]) need the ability to debug end user reported
   problems and also to run regression tests if SIP client software/
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