cool goose wrote:
> Thanks All for pointing me towards some resources. I have never written any
> protocol stacks before except for few small SIP tools. This would be my
> first time writing a SIP stack and that's where I felt a need for some
> literature or books on designing protocol stacks. Anyways, if I run into
> something I will definitely let you guys now.
With all due respect, unless you are a super-programmer, *and* have a
year or two to work on it, you ought to be looking for an existing stack
to use rather than build your own.
Regards,
Paul
> Thank You,
> CoolGoose.
>
> On Tue, May 19, 2009 at 12:28 PM, Brett Tate <br...@broadsoft.com> wrote:
>
>>>> Any of you are aware of literature on how to write SIP stacks
>>>> besides the documentation provided by open source SIP stacks?
>>> I mean any literature discussing the architecture and design patterns
>>> used in the stack development.
>> I'm sure that you can find plenty with your favorite search engine. The
>> following is more of an fyi since it likely isn't the kind of detail that
>> you are seeking.
>>
>> RFC 3261 discusses a layered approach and provides a few state machines.
>> Some proposed fixes to the state machines are within
>> draft-sparks-sip-invfix. RFC 5057 attempts to clarify some of dialog
>> sharing issues concerning RFC 3261 and RFC 3265.
>>
>> The following draft humorously proposes a more radical approach to fix SIP:
>> http://tools.ietf.org/id/draft-kaplan-sip-four-oh-00.txt
>>
>> RFC 5411 provides a snapshot of some of the SIP related RFCs and drafts.
>>
>> Most of the SIP design literature that I've noticed posted to
>> sip-implementors (or the IETF sip lists) related to SIP design is usually
>> protected by patents or licensing agreements such as the JAIN SIP JSR stuff.
>>
>> The following is Henning's web site in case you find anything of interest:
>> http://www.cs.columbia.edu/sip/
>>
>>
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