NSPs and filters

Vadim Antonov avg at pluris.com
Sun Jul 13 08:45:05 UTC 1997


randy> So, at POP X, I take in maybe 100 prefixes, with maybe 1000
randy> at some POPs.  How do I build and maintain that filter list,

alan at mindvision.com (Alan Hannan) wrote:

>  The same way you build and maintain routing filter lists for the
>  prefixes you take in.

Bzzt. Routing filter lists are applied to routing updates.  Packet
filter lists are applied to packets.

Big difference.

1000-entry packet filter will slow any existing router down to crawl,
and practically all future boxes won't do any better.

--vadim



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