Re: [PEPPERMINT] Data model for "reachability data" and naming/terminology for group of addresses

["Jean-Francois Mule" <jf.mule at cablelabs.com>]

Ray,

   Thank you for the comments and sorry for the delay in responding.
More inline.

Jean-Francois.

Ray wrote:
> Can you elaborate on what a "Service Area" / "Address Group"
> actually is?
It is basically a way to logically group user addresses that can be
   - reached via a given Signaling path Border Element (SBE),
   - reached via a domain from which SIP servers can be located (a la
rfc3263)
Folks often picture this by saying it is a group of users reachable via
a common (SIP) 'route'.

> In the UK for our Central Numbering Database we've developed a
> concept of
> a "Destination Group" - that being all those numbers (or
> destinations)
> which are supposed to be routed identically.  Is that the same
> thing?
I believe so.  Would folks prefer Destination Group then?


> Note however that this does not mean that every originating carrier
> has to
> route them to the same place as every other carrier.
> 
> For example if Carrier A (a terminating carrier) has:
> 
>   DG1 = (a, b)
>   DG2 = (c, d)
> 
> then originating Carrier B routes destinations in DG1 to a
> particular
> interconnect, and routes DG2 to some other interconnect.  However
> Carrier
> C might have completely different interconnects with Carrier A.
> 
> In the UK model the actual interconnect addresses are private
> information
> bilaterally agreed between carriers.
> 
> kind regards,
> 
> Ray

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