Title:
RELAY DEVICE AND RELAY SYSTEM
Document Type and Number:
Japanese Patent JP2017200116
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a relay device and a relay system that can enhance flexibility when a ring network is constructed.SOLUTION: A control frame transmission unit 21 generates a CCM frame on the basis of an Ethernet OAM, and transmits it at a prescribed transmission interval from ring ports Pr[1] and Pr[2]. A control frame reception unit 22 monitors the ring ports Pr[1] and Pr[2] to find whether a CCM frame from the outside of a device is received within a period of N times the prescribed transmission interval. A fault detection time setting unit 27 selects the value of N from a prescribed setting range.SELECTED DRAWING: Figure 4
Inventors:
BABASAKI TOMOMI
Application Number:
JP2016091149A
Publication Date:
November 02, 2017
Filing Date:
April 28, 2016
Export Citation:
Assignee:
APRESIA SYSTEMS LTD
International Classes:
H04L12/42
Domestic Patent References:
| JP2013514005A | 2013-04-22 | |||
| JP2010252227A | 2010-11-04 | |||
| JP2011151752A | 2011-08-04 |
Foreign References:
| EP1940078A1 | 2008-07-02 | |||
| WO2008068813A1 | 2008-06-12 |
Other References:
ＴＴＣ標準ＳＴＡＮＤＡＲＤ ＪＴ−Ｇ８０３２ イーサネットリングプロテクション切替, JPN6019037571, 23 February 2012 (2012-02-23), pages 7 - 9, ISSN: 0004253061
ＴＴＣ標準ＳＴＡＮＤＡＲＤ ＪＴ−Ｙ１７３１ イーサネットのＯＡＭ機能とメカニズム, JPN6019037577, 24 February 2010 (2010-02-24), pages 19, ISSN: 0004253062
ＴＴＣ標準ＳＴＡＮＤＡＲＤ ＪＴ−Ｙ１７３１ イーサネットのＯＡＭ機能とメカニズム, JPN6019037577, 24 February 2010 (2010-02-24), pages 19, ISSN: 0004253062
Attorney, Agent or Firm:
Tsutsui International Patent Office