Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2011-08-02
2011-08-02
Chriss, Andrew (Department: 2472)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S474000, C370S475000, C709S242000
Reexamination Certificate
active
07990966
ABSTRACT:
Provided is an apparatus for changing Media Access Control (MAC) address, which is a conventional subscriber hardware identification address for identifying each subscriber, and a method thereof. The MAC address changing apparatus includes a frame receiving block for determining whether to change a source MAC address; a switch controlling block for controlling a switch; a change MAC address generating block for changing the source MAC address of the received frame; a change MAC address storing block for storing information of the change MAC address and the source MAC address corresponding thereto; a MAC address forwarding and lookup block for extracting output port information; a MAC address replacing block for forming an output frame by replacing the source MAC address; a MAC address storing block for storing a MAC address; and a frame transmitting block for transmitting the output frame.
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Lee Bhum-Cheol
Park Dae-Geun
Blakely , Sokoloff, Taylor & Zafman LLP
Chriss Andrew
Electronics and Telecommunications Research Institute
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