| 摘要 |
A router includes a first processing module ( 1 ) adapted to route primary resources as a function of instructions received, inputs ( 2 ) adapted to feed the first processing module ( 1 ) with primary resources, outputs ( 3 ) adapted to collect primary resources switched by said first processing module ( 1 ), a second processing module ( 6 ) adapted to process secondary resources to be added or dropped, and coupling means ( 9 ) including a drop bus ( 8 ) and/or an add bus ( 7 ) and adapted, on the instructions of the control means ( 15 ), to drop either the whole of a primary resource arriving at one of said inputs ( 2 ) and/or outputs ( 3 ) or a portion thereof to feed said second processing module ( 6 ), and/or to add a secondary resource processed by said second processing module to a primary resource received at one of said inputs ( 2 ) and/or outputs ( 3 ) and in transit to a common destination.
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