Communication apparatus and system comprising the same

Details Communication apparatus and system comprising the same Communication apparatus and system comprising the same

2006-08-22

2006-08-22

Pham, Chi (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S399000, C370S409000, C709S247000

Reexamination Certificate

active

07095745

ABSTRACT:
A communication apparatus is provided which comprises: extraction means for extracting a virtual path identifier and a virtual channel identifier stored in a first header of first cells output from a terminal; preparation means which, based on the extracted virtual path identifier and virtual channel identifier, refers to a conversion table to prepare a second header containing a corresponding identifier; cell generation means for generating second cells containing the prepared second header and the user information of the first cells; multiplexing/generation means for multiplexing the generated second cells so as to have a fixed length, thereby generating third cells; and send means for sending the generated third cells to other communication apparatus through a virtual channel. By virtue of this construction, the usage charge of communication lines, such as ATM lines, can be reduced.

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