RE: [Sip] Open Issue ID#100 - case sensitivity of URL parameter values

[adam.roach@ericsson.com]

> -----Original Message-----
> From: Jonathan Rosenberg [mailto:jdrosen@dynamicsoft.com]

[On the topic of transport paramters to SIP URIs)

> Interpretations appear to be mixed. Technically, the correct answer as
> written is that they are CS. The reason is that the BNF says 
> that quoted
> values are CI *unless stated otherwise*. Well, we did state otherwise.
> However, this is a subtletly that is easily missed.

I'd argue to keep it as-is: that is, case *sensitive*. Add clarifying
text to the definition of the SIP URL. SIP already has some interesting
performance implications for high-agregation nodes. I'd prefer that
any remaining parsing issues be resolved towards reduction of processing
speed.

Interoperability is still top of my list, though, which is why
I'll ask everyone present: does anyone have an implementation that
sends out transports with uppercase letters?

/a


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