Title:
NETWORK SYSTEM, FRONT-END DEVICE, AND CONTROL MESSAGE TRANSMISSION RATE MINIMIZING METHOD
Document Type and Number:
WIPO Patent Application WO/2013/047705
Kind Code:
A1
Abstract:
An objective of the present invention is to allow minimizing transmission rates of control messages between a switch and a switch controller. A network system comprises: a switch which transfers a packet on the basis of a switch flow table; a switch controller; and a front-end device which relays a control message between the switch and the switch controller. The front-end device further comprises: a buffer; a flow table storage unit; and a buffer control unit which buffers in the buffer the control message which hits a buffer flow entry of the flow table.
Inventors:
UENO HIROSHI (JP)
Application Number:
PCT/JP2012/074976
Publication Date:
April 04, 2013
Filing Date:
September 27, 2012
Export Citation:
Assignee:
NEC CORP (JP)
UENO HIROSHI (JP)
UENO HIROSHI (JP)
International Classes:
H04L45/42; H04L47/30; H04L45/74; H04L47/32
Domestic Patent References:
| WO2011065227A1 | 2011-06-03 |
Foreign References:
| JP2005117206A | 2005-04-28 | |||
| JP2010045502A | 2010-02-25 |
Other References:
See also references of EP 2763358A4
Attorney, Agent or Firm:
KUDOH Minoru (JP)
Minoru Kudo (JP)
Minoru Kudo (JP)
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Claims:
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