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Re: using IRR tools for BGP route filtering
From: Michael Shields <shields () msrl com>
Date: 23 Jun 2000 17:02:17 +0000


In article <200006230005.SAA11801 () tcb net>,
Danny McPherson <danny () tcb net> wrote:
It's interesting that for quite a while nearly 30K PSTN 800 numbers
were allocated nearly every week, with number portability and all.
Perhaps we're simply missing something :-)

As has been observed many times on NANOG, one of the advantages that a
circuit-switched network like the PSTN has over a packet-switched network
like the Internet is that the PSTN has leisurely call setup times and
relatively infrequent routing table lookups.  No long-distance carrier
processes even 100 million phone calls in a day networkwide; yet there
are many routers which process billions of packets daily *per interface*.
-- 
Shields.



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