The Common Log Format (CLF) for the Session Initiation Protocol (SIP): Framework and Data Model
draft-ietf-sipclf-problem-statement-11

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Document Type Active Internet-Draft (sipclf WG)
Last updated 2012-12-20 (latest revision 2012-03-09)
Replaces draft-gurbani-sipclf-problem-statement
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Intended RFC status Proposed Standard
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Send notices to sipclf-chairs@tools.ietf.org, draft-ietf-sipclf-problem-statement@tools.ietf.org
SIPCLF                                                   V. Gurbani, Ed.
Internet-Draft                         Bell Laboratories, Alcatel-Lucent
Intended status: Standards Track                          E. Burger, Ed.
Expires: September 10, 2012                        Georgetown University
                                                               T. Anjali
                                        Illinois Institute of Technology
                                                             H. Abdelnur
                                                               O. Festor
                                                                   INRIA
                                                           March 9, 2012

 The Common Log Format (CLF) for the Session Initiation Protocol (SIP):
                        Framework and Data Model
                 draft-ietf-sipclf-problem-statement-11

Abstract

   Well-known web servers such as Apache and web proxies like Squid
   support event logging using a common log format.  The logs produced
   using these de-facto standard formats are invaluable to system
   administrators for trouble-shooting a server and tool writers to
   craft tools that mine the log files and produce reports and trends.
   Furthermore, these log files can also be used to train anomaly
   detection systems and feed events into a security event management
   system.  The Session Initiation Protocol (SIP) does not have a common
   log format, and as a result, each server supports a distinct log
   format that makes it unnecessarily complex to produce tools to do
   trend analysis and security detection.  We propose a common log file
   format for SIP servers that can be used uniformly by user agents,
   proxies, registrars, redirect servers as well as back-to-back user
   agents.

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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   Internet-Drafts are draft documents valid for a maximum of six months
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   material or to cite them other than as "work in progress."

Gurbani, et al.        Expires September 10, 2012               [Page 1]
Internet-Draft                   SIP CLF                      March 2012

   This Internet-Draft will expire on September 10, 2012.

Copyright Notice

   Copyright (c) 2012 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
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
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   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Gurbani, et al.        Expires September 10, 2012               [Page 2]
Internet-Draft                   SIP CLF                      March 2012

Table of Contents

   1.  Terminology  . . . . . . . . . . . . . . . . . . . . . . . . .  4
   2.  Introduction . . . . . . . . . . . . . . . . . . . . . . . . .  4
   3.  Problem statement  . . . . . . . . . . . . . . . . . . . . . .  5
   4.  What SIP CLF is and what it is not . . . . . . . . . . . . . .  6
   5.  Alternative approaches to SIP CLF  . . . . . . . . . . . . . .  6
     5.1.  SIP CLF and CDRs . . . . . . . . . . . . . . . . . . . . .  7
     5.2.  SIP CLF and Wireshark packet capture . . . . . . . . . . .  7
     5.3.  SIP CLF and syslog . . . . . . . . . . . . . . . . . . . .  8
     5.4.  SIP CLF and IPFIX  . . . . . . . . . . . . . . . . . . . .  9
   6.  Motivation and use cases . . . . . . . . . . . . . . . . . . .  9
   7.  Challenges in establishing a SIP CLF . . . . . . . . . . . . . 11
   8.  Data model . . . . . . . . . . . . . . . . . . . . . . . . . . 12
     8.1.  SIP CLF mandatory fields . . . . . . . . . . . . . . . . . 12
     8.2.  Mandatory fields and SIP entities  . . . . . . . . . . . . 14
   9.  Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
     9.1.  UAC registration . . . . . . . . . . . . . . . . . . . . . 16
     9.2.  Direct call between Alice and Bob  . . . . . . . . . . . . 17
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