On 12/07/2015 04:42 PM, Peter Beckman wrote:
But this has a flaw. What if the reseller does this, and the reseller's reseller does this. Who wins? As a reseller, I'd want the calls hitting me first, so I can bill my reseller for minutes. But my reseller wants calls going straight to them so they don't have to pay me for minutes.
This would probably be fixable if all DIDs from ULCs were delegated out of larger blocks that fall on decimal boundaries, which would be analogous to an opaque BGP announcement of a shorter prefix by an upstream aggregator. But, because many numbers are ported in, this would be akin to announcing lots of /32s and, as you mentioned, without the critical component of physical connections constraining the routing topology. Any such scheme would have to incorporate the notion of a reseller chain into its mechanics and a security model that allows downstream resellers to modify the physical parameters of their receipt of the call but not the fundamental routing chain. -- Alex -- Alex Balashov | Principal | Evariste Systems LLC 303 Perimeter Center North, Suite 300 Atlanta, GA 30346 United States Tel: +1-800-250-5920 (toll-free) / +1-678-954-0671 (direct) Web: http://www.evaristesys.com/, http://www.csrpswitch.com/