Re: [sip-ops] [dispatch] SIP-CLF: Results on ASCII vs. binary representation

Tom Taylor <tom.taylor@rogers.com> Fri, 01 May 2009 19:32 UTC

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Date: Fri, 01 May 2009 15:34:14 -0400
From: Tom Taylor <tom.taylor@rogers.com>
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To: Hadriel Kaplan <HKaplan@acmepacket.com>
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Subject: Re: [sip-ops] [dispatch] SIP-CLF: Results on ASCII vs. binary representation
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How about adding length fields to ASCII?

Hadriel Kaplan wrote:
> 
>> -----Original Message-----
>> From: dispatch-bounces@ietf.org [mailto:dispatch-bounces@ietf.org] On
>> Behalf Of Vijay K. Gurbani
>>
>> So after tweaking all kinds of optimizations for binary CLF, the
>> best we can do is approach ASCII CLF without any optimizations.
>> This much no one will dispute, I hope.
> 
> Depends on how you plan to disambiguate legal characters in the fields from the field separators.  In binary the length field removes the need for disambiguation, or a CRLF itself does it (depending on the format).  In ascii, if you have to escape characters, then that escaping and de-escaping could be a big hit.
> 
> But anyway, I think the real question that needs to be answered *first* is "what is the purpose of the CLF?"  What is it going to help admins do?  Is it for troubleshooting, or for registration audit logging, or for IDS systems, etc?
> 
> -hadriel
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