[sip-ops] Fwd: draft CLF charter

Robert Sparks <rjsparks@nostrum.com> Fri, 17 July 2009 21:15 UTC

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Subject: [sip-ops] Fwd: draft CLF charter
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Begin forwarded message:

> From: Robert Sparks <rjsparks@nostrum.com>
> Date: July 17, 2009 4:13:58 PM CDT
> To: sip-clf@ietf.org
> Subject: draft CLF charter
> All -
> We are working on forming a CLF working group based on DISPATCH's  
> decision.
> Below is a proposed charter for this working group. Please review  
> and comment
> on this list. Depending on the feedback we receive, we will target  
> forming this
> group shortly after the Stockholm meeting.
> We'll also be discussing this in Thursday's opsarea meeting.
> Thanks,
> RjS
>> The SIP Common Log File (CLF) working group is chartered to define
>> a standard logging format for systems processing SIP messages.
>> 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 to produce reports and trends
>> and to search for a certain SIP message or messages, a transaction
>> or a related set of transactions.  Furthermore, these log records
>> can also be used to train anomaly detection systems and feed events
>> into a security event management system.
>> The Session Initiation Protocol does not have a common log
>> format. Diverse element provide distinct log formats making
>> it complex to produce tools to analyze them.
>> The CLF working group will produce a format suitable for logging
>> from any SIP element. The format will anticipate the need to
>> search, merge, and summarize the log records from diverse elements.
>> The format will anticipate the need to correlate messages from
>> multiple elements related to a given request (that may fork)
>> or a given dialog. The format will take SIP's extensibility into
>> consideration, providing a way to represent SIP message components
>> that are defined in the future.  The format will anticipate being
>> used both for off-line analysis and on-line real-time processing
>> applications. The working group will consider the need for
>> efficient processing in its design of this format.
>> The working group is not pre-constrained to producing either a
>> bit-field oriented or text-oriented format, and may choose to
>> provide both. If the group chooses to specify both, it must be
>> possible to mechanically translate between the formats without
>> loss of information.
>> Specifying the mechanics of exchanging, transporting, and storing
>> SIP Common Log Format records is explicitly out of scope. Specifying
>> a real-time transfer mechanism for heuristic analysis is explicitly
>> out of scope.
>> The group will generate:
>> - A problem statement enunciating the motivation,
>> and use cases for a SIP Common Log Format. This analysis
>> will identify the required minimal information that must
>> appear in any record.
>> - A specification of the SIP Common Log Format record.
>> The group will consider providing one or more reference
>> implementations for decoding a CLF record.
>> Goals and Milestones
>> ===========================
>> Nov 09 - Problem statement, motivation, and use cases to IESG  
>> (Informational)
>> Feb 10 - SIP Common Log Format specification to IESG (PS)