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Notes:
Another solution is to strip the AS# of the client network in the BGP advertisement. Removing this information may prohibit other domains from detecting loops. For this reason, two new attributes need to be added to the BGP advertisement :
ATOMIC_AGGREGATE indicates that path information has been lost in the aggregation process
Indicates also that the prefix should not be deaggregated further
AGGREGATOR contains info useful for debugging
In this case, the BGP UPDATE message would be as follows :
In April 2003, a BGP table collected by the RIPE RIS project contained about 7% of routes with the ATOMIC_AGGREGATE attribute