Fault tolerant managed switching element architecture

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United States of America Patent

PATENT NO 8913483
SERIAL NO

13218468

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Abstract

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In a hierarchical switching architecture that includes at least one lower level managed switching element that connects to several higher level managed switching elements, some embodiments provide a method of identifying a higher level managed switching element to which the lower level managed switching element forwards a packet for further processing. The method computes a value based on a set of attributes of the packet. The method identifies a record from a hierarchy traversal table based on the computed value. The record specifies (1) a first higher level managed switching element as a primary higher level managed switching element and (2) a second higher level managed switching element as a secondary higher level managed switching element. The primary and secondary higher level managed switching elements are for forwarding the packet for further processing. The method forwards the packet to one of the higher level managed switching elements.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
NICIRA, INC.PALO ALTO, CA238

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jackson, Ethan J San Francisco, US 20 160
Koponen, Teemu San Francisco, US 149 4594
Pfaff, Benjamin L Redwood City, US 17 188
Thakkar, Pankaj Santa Clara, US 113 2944

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