Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2005-06-09
2009-10-06
Sam, Phirin (Department: 2419)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S466000
Reexamination Certificate
active
07599376
ABSTRACT:
A converter for connecting its ATM network with other ATM networks through a LAN, which is provided with an address translation table storing external VPIs, internal VPIs uniquely assigned to the LAN, and opposing MAC addresses for opposing converters in correspondence and a processing unit for performing control for transmitting, to the LAN, frames changed from the external VPI/VCIs of headers of cells from its ATM network to the internal VPI/VCIs by referring to the address translation table and having opposing MAC addresses corresponding to the internal VPI/VCIs attached, removing the opposing MAC addresses of frames received from the LAN by referring to the address translation table, and transmitting cells changed from internal VPI/VCIs to external VPI/VCIs to its ATM network.
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Hattori Mineharu
Ichikawa Tetsuji
Iguchi Nobuo
Inoue Toshikazu
Kumazaki Kazuya
Fujitsu Limited
Katten Muchin & Rosenman LLP
Sam Phirin
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