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

[Ray.Bellis at nominet.org.uk]

> We're updating the draft to integrate comments received from the list
> and fix a few issues we found.
> 1) We're changing LRNs (US, PSTN centric to Penn and Otmar's point) to
> use prefix.
> David et al. have chosen prefix in their problem statement draft and
> this describes something that's close to LRNs, yet more generally
> applicable.
> 2) We're also renaming "Service Areas" to "AddressGroup" for a lack of a
> better term

Jean-Francois,

Can you elaborate on what a "Service Area" / "Address Group" actually is?

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?

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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