Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Reexamination Certificate
2009-02-13
2011-10-04
Phung, Luat (Department: 2464)
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
C370S392000, C370S393000, C709S228000
Reexamination Certificate
active
08031709
ABSTRACT:
An integrated circuit has a hardware decoder that parses a frame to identify a type of encapsulation. The integrated circuit also has a number of hardware parsers, each parser being coupled to the decoder by an enable line. During packet processing, one of the parsers is enabled by the decoder, based on the value which identifies the encapsulation type. The enabled parser retrieves one or more attributes from the frame, depending on the encapsulation. The integrated circuit also has a register, coupled to each parser. The register holds the attributes retrieved by the parser. The integrated circuit also has a key generation hardware which creates a key, by concatenating from the attributes register, certain attributes that are pre-selected by a user for forming the key. The integrated circuit supplies the key to a memory to look up a set of user-specified actions to be performed on data in the frame.
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Applied Micro Circuits Corporation
Phung Luat
Silicon Valley Patent & Group LLP
Suryadevara Omkar
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