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NAPTRNaming Authority Pointer (Internet domain name system related)
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Running on commodity hardware*, Nominum Foundation Authoritative Name Server (ANS) set a record for ENUM performance and answered to 45,000 queries per second against 200M NAPTR records with an average latency of 2 milliseconds.
The tests confirmed that Nominum provides the superior and only viable solution, with no other server capable of loading the 200 million NAPTR records in 10 zones.