algorithm used by (RIPE region) ISPs to generate automatic BGP prefix filters

Randy Bush randy at
Thu Feb 4 16:40:36 UTC 2016

> We record the customer ASN and the AS-SET for each AFI (v4|v6) and
> expand these and push updated lists to devices daily or on demand
> based on customer need.

do you trust the state of the acl on the router and only send a delta,
or do you send the whole acl?


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