Re: [martini] Call for Consensus: Support for Public GRUUs

["Richard Shockey" <[e-mail]>]

RS> this is helpful. 

No, it's not the privacy issue. We're discussing public GRUUs, which 
provide no more privacy than AORs. Pretty much every part of my message 
that you didn't quote above goes over exactly what causes this problem. 
I don't know if you didn't read it, or if my writing is just that bad, 
but I'll have another run at explaining it.

The problem is that we have two registrars, and they *both* need to 
support GRUU before it can be used.

So, for example, when GRUU implementation has reached 10% in registrars 
overall, then only 1% (10% * 10%) of GIN systems will be able to make 
use of GRUU. Even when we reach 50% node deployment, we're still stuck 
at 25% of GIN systems that can support GRUU.

That's how MARTINI has made the problem demonstrably worse than the 
general case.

With this proposed solution (mandating *public* GRUU usage in SSPs), all 
we're doing is returning to the status quo. (Note that we're *not* 
requiring PBXes to use GRUUs, only for SSPs to allow them to do so).

/a