Abstract
In this paper, we present an enhanced version algorithm for Network Address Port Translation (NAPT) flavor of Traditional Network Address Translation (NAT). Current version algorithm of NAPT allows mapping of tuples of the type (Local Source IP addresses, Source TU port number) to tuples of the type (registered NAT router IP address, assigned TU port number). But our proposed enhanced algorithm utilizes not only Local Source IP address and Source Port number but also global Destination IP address (True IP) and Destination port number. This proposed algorithm slightly improves the efficiency of the current NAPT and reduces one of the constraints of the current NAPT.
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