[address-policy-wg] Policies interact
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Wilfried Woeber, UniVie/ACOnet
woeber at cc.univie.ac.at
Fri Apr 8 17:07:40 CEST 2005
>>> For a routing decision you don't need 32 bits for an IPv4 prefix, >>> and you do not need 128 bits for an IPv6 prefix. >> Exact. >> A international routing decision can be limited to the first 64 Bits. >> The remaining 64 Bits are some sort of ARP-replacement. > >nope. folk are using /126s internally, and have igp or ibgp carrying >those prefixes. of course, they also have the classic loopbacks for >bgp, which can be /128s. real hardware vendors know this and don't >make the same mistakes as were made in the old a/b/c days. > >randy I thought we were talking about the routing table size and memory requirements for the DFZ. Are you implying that we will see those more specific /126s or /128s in the global routing table? Wilfried.
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