Selective rule management based on traffic visibility in a tunnel

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United States of America Patent

PATENT NO 10038627
APP PUB NO 20170346731A1
SERIAL NO

15481319

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Importance

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Abstract

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One embodiment of the present invention provides a switch. The switch includes a storage device, a rule management module, an inner packet module, and a packet processor. During operation, the rule management module obtains a rule associated with a data flow within tunnel encapsulation of a tunnel. This rule indicates how the flow is to be processed at the switch. The rule management module then applies an initial rule to a respective line card of the switch. The initial rule is derived from a virtual network identifier, which is associated with the tunnel, of the obtained rule. The inner packet module determines that a first inner packet, which is encapsulated with a first encapsulation header, belongs to the flow without decapsulating the first encapsulation header. The rule management module applies the obtained rule to a line card associated with an ingress port of the encapsulated first inner packet.

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Patent Owner(s)

  • BROCADE COMMUNICATIONS SYSTEMS LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bhat, Sandeep G Sunnyvale, US 3 11
Chinthalapati, Eswara S P San Jose, US 10 66
Pukhraj, Jain Rajesh San Ramon, US 1 11

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