Packet processing apparatus, flow entry configuration method and program
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United States of America Patent
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Jan 23, 2018
Grant Date -
Nov 12, 2015
app pub date -
Dec 18, 2013
filing date -
Dec 19, 2012
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Abstract
A packet processing apparatus includes: a flow table in which flow entries can be stored in areas allocated in order of priority groups; an entry management unit that determines, upon receiving a new flow entry from a prescribed control apparatus, a storage position in the flow table based on which priority group among the plural priority groups the new flow entry belongs to, and on a level 2 priority that is used for determining position within the priority group; and an entry retrieval unit that scans from the beginning of the flow table, retrieves an entry having match condition(s) that match(es) a received packet, and determines processing to be applied to the received packet.
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