28-03-2013 дата публикации
Номер: US20130080903A1
Принадлежит:
RADIFLOW LTD.
A communication network comprising: a plurality of end devices; and a plurality of multilayer switches connected to the end devices that direct transmission of data packets between the end devices, wherein each switch comprises: a plurality of communication ports for receiving and transmitting data packets in different data formats; a data format translator that receives data packets configured in different data formats via the ports and reconfigures the data to a common data format; an application aware engine that receives data packets in the common format and inspects content of the received packets at a plurality of OSI layers, which plurality includes layer 7, to determine if they represent a security threat; and a wire speed packet switch that directs packets, which the application aware engine determines do not represent a security threat, to their destinations. 1. A plant communication network comprising:a plurality of end devices; anda plurality of multilayer switches connected to the end devices that direct transmission of data packets between the end devices, wherein each switch comprises:a plurality of communication ports for receiving and transmitting data packets in different data formats;a data format translator that receives data packets configured in different data formats via the ports and reconfigures the data to a common data format;an application aware engine that receives data packets in the common format and inspects content of the received packets at a plurality of OSI layers to determine if they represent a security threat; anda wire speed packet switch that directs packets, which the application aware engine determines do not represent a security threat, to their destinations;wherein the switches identify a subset of the plurality of end devices that cooperate to perform tasks responsive to the inspected content of the received packets.227.-. (canceled)28. A multilayer switch comprising:a plurality of communication ports for receiving and ...
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