| 摘要 |
NAPT gateway system with method for extending the number of connections are disclosed. The gateway is located between a private network and the Internet and has a plurality of NAPT tables. When receiving a packet transmitted from the private network to the Internet, the gateway takes the destination IP address of the packet as a hash key for corresponding to a NAPT table of the NAPT tables via a hash function. An item of the NAPT table that conforms to the packet is determined, and the source IP address and the source port of the packet are translated into the legal address of the NAPT gateway and the index of the item, respectively, based on the item.
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