Network address-port translation apparatus and method

摘要

A network address-port translation (NAPT) method includes: selecting a set of server IP and port from the server port table according to an external-to-internal packet; performing NAPT of the external-to-internal packet according to the selected set of server IP and server port; selecting a storage element from the translation table according to an internal-to-external packet; and performing NAPT of the internal-to-external packet according to the selected storage element.