It's udp based. UDP is a stateless protocol. No Close() is necessary. ?
How not to get a protocol implementation merged
Posted Jan 13, 2011 13:43 UTC (Thu) by busterb (subscriber, #560)
However, it is definitely stateful because of the reliable transport it provides on top of UDP. DoS issues have been discussed on the mailing list, where spoofed UDP packets can flood the connection table:
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