Network access system including a programmable access device having distributed service control
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United States of America Patent
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Aug 9, 2005
Grant Date -
N/A
app pub date -
Nov 28, 2000
filing date -
Nov 28, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A distributed network access system in accordance with the present invention includes at least an external processor and a programmable access device. The programmable access device has a message interface coupled to the external processor and first and second network interfaces through which packets are communicated with a network. The programmable access device includes a packet header filter and a forwarding table that is utilized to route packets communicated between the first and second network interfaces. In response to receipt of a series of packets, the packet header filter in the programmable access device identifies messages in the series of messages upon which policy-based services are to be implemented and passes identified messages via the message interface to the external processor for processing. In response to receipt of a message, the external processor invokes service control on the message and may also invoke policy control on the message.
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