Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2011-03-22
2011-03-22
Ton, Dang T (Department: 2475)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C710S316000, C379S342000
Reexamination Certificate
active
07912048
ABSTRACT:
The method is that of detecting a network address translation device which transfers network data to a first device. This method includes: obtaining an address of a second device connected to the network; generating pseudo network data in which an address is set as a destination address, and in which a number of times that the network data can be transferred is set as a number of transfers required to reach the first device; transmitting the pseudo network data to the second device; detecting a message from the second device, the message indicating that the pseudo network data cannot be further transferred; and determining that the second device is operating the network address translation device in response to the detection of the message.
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Aoki Kentaro
Moriya Yukinobu
Shimizu Naoto
Yasuniwa Hideo
International Business Machines - Corporation
Merecki John
Preval Lionel
Shimokaji & Associates P.C.
Ton Dang T
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