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Patent Searching and Data


Title:
PACKET TRANSFER DEVICE, PACKET TRANSFER SYSTEM, AND PACKET TRANSFER METHOD
Document Type and Number:
WIPO Patent Application WO/2015/174100
Kind Code:
A1
Abstract:
The purposes of the present invention are to discard packets that have fraudulently flowed in and to subsequently prevent attack packets and fraudulent packets flowing undetected into the Internet from flowing out to or flowing into the Internet. The packet transfer device according to the present invention is equipped with: multiple ports or multiple channels; a binding table for storing identification information on the ports or channels and the correspondence relation between physical source addresses and logical source addresses; a discard table that is generated or updated as requested; and a transfer unit that transfers a packet to the next hop node when a physical source address-logical source address pair for the packet is present in the binding table, or discards the packet when the pair is not present in the binding table or when the packet corresponds to the discard table.

Inventors:
KOBAYASHI HIROSHI (JP)
SUEHIRO YUKI (JP)
YAMAKI HIROFUMI (JP)
SASAKI RYOICHI (JP)
UENO YOICHIRO (JP)
SANO KAORU (JP)
Application Number:
PCT/JP2015/050618
Publication Date:
November 19, 2015
Filing Date:
January 13, 2015
Export Citation:
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Assignee:
UNIV TOKYO DENKI (JP)
International Classes:
H04L12/66; H04L12/46; H04L45/74; H04L45/42
Domestic Patent References:
WO2012153913A12012-11-15
WO2011081104A12011-07-07
Foreign References:
JP2012175482A2012-09-10
Attorney, Agent or Firm:
OKADA, Kenji et al. (JP)
Kenji Okada (JP)
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