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Re: Statements against new.net?
On Thu, Mar 15, 2001 at 09:59:53AM -0500, Kavi, Prabhu wrote: > Look at how local number portability (LNP) works. Before > the phone call is connected, a translation is made between > the logical number and the actual number. The actual > number is based upon geography, and consists of > country-code, area-code, local exchange, and then > physical port number. As a result, the routing tables > in telephone networks are small. For example, if you > are in the US and need to call the UK, the network > only needs one entry for all telephone networks in > the UK (plus a few more for redundancy). This translation/lookup function is only necessary once per call in a circuit-switched network. In a packet-switched network, it's required once per packet. For this reason, number portability on the internet and in the PSTN are quite different problems. Joe