METHOD AND APPARATUS FOR MESSAGE TRANSMISSION
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United States of America Patent
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app pub date -
May 24, 2013
filing date -
Nov 25, 2010
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Abandoned
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Abstract
A method for message transmission comprises: receiving a forward message sent from an internal network device to an external network; transmitting the forward message after replacing the source address of the forward message with a public network IP address; receiving a reverse message sent from the external network to the internal network device; and transmitting the reverse message after replacing the destination public network IP address of the reverse message, which is sent from the external network to the internal network device, with a private network IP address of the internal network device. With the method, the NAT device can support more users, and thus the number of NAT devices is reduced and synchronization can be achieved between the internal network device and the NAT device when the NAT device aging occurs.
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