RELAY DEVICE AND COMMUNICATION NETWORK - MITSUBISHI ELECTRIC CORP

Title:

RELAY DEVICE AND COMMUNICATION NETWORK

Document Type and Number:

WIPO Patent Application WO/2015/075959

Kind Code:

A1

Abstract:

The present invention is a relay device (layer 2 switch (20)) for forming a communications network, comprising: a plurality of communication ports (211, 212, ..., 21n) which transmit and receive frames; and a loop detection unit (22) which monitors for each communication port a frequency of reception of a control frame which is periodically transmitted from communication devices which form the communications network into the communications network, and instructs communication ports that have a receiving frequency that exceeds a threshold to halt transmission and reception of frames.

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Inventors:

NAKAYASU TOSHIYUKI (JP)

Application Number:

PCT/JP2014/064855

Publication Date:

May 28, 2015

Filing Date:

June 04, 2014

Export Citation:

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Assignee:

MITSUBISHI ELECTRIC CORP (JP)

International Classes:

H04L12/28; H04L45/18

Foreign References:

JP2011018969A	2011-01-27
JP2013098977A	2013-05-20
JP2012227772A	2012-11-15

Attorney, Agent or Firm:

SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)

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