Packet processing indication
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United States of America Patent
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Nov 25, 2014
Issued Date -
N/A
app pub date -
Dec 5, 2008
filing date -
Dec 5, 2008
priority date (Note) -
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Abstract
A network, network devices, and methods are described for packet processing indication. A method includes tunneling a packet from a first network device to a second network device associated with a first checking functionality. The second network device has an address different than an original destination address of the packet. The method also includes return-tunneling the packet from the second network device to the first network device with an indication of whether the packet was processed by the first checking functionality. The method includes tunneling the packet from the first network device to a third network device associated with a second checking functionality in response to the indication being that the packet was not processed by the first checking functionality. The third network device has an address different from the original destination address of the packet.
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