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Patent Searching and Data


Title:
FAILURE MONITORING DEVICE AND FAILURE MONITORING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/208460
Kind Code:
A1
Abstract:
Provided are a failure monitoring device and a failure monitoring method for reducing maintenance operation of an SIP server at the time of a failure. The failure monitoring device 10 is provided with: a monitoring unit 11 which transmits a monitoring signal to an SIP server 2 from the outside of the SIP server 2, and senses a failure of the SIP server 2 on the basis of the presence or absence of a response from the SIP server 2 or response content; and a control unit 12 which, when a failure has been sensed by the monitoring unit 11, prevents a connection request to a failure SIP server 2_1 in which the failure has been sensed by the monitoring unit 11, in coordination with a DNS server 1.

Inventors:
KIDOKORO Tadaatsu (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
TANIDA Koji (9-11 Midori-cho 3-chome, Musashino-sh, Tokyo 85, 〒1808585, JP)
Application Number:
JP2019/016918
Publication Date:
October 31, 2019
Filing Date:
April 22, 2019
Export Citation:
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Assignee:
NIPPON TELEGRAPH AND TELEPHONE CORPORATION (5-1 Otemachi 1-chome, Chiyoda-ku Tokyo, 16, 〒1008116, JP)
International Classes:
H04M3/00; H04L12/70
Foreign References:
JP2013168862A2013-08-29
JP2013239884A2013-11-28
JP2004336663A2004-11-25
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (Toranomon Kotohira Tower, 2-8 Toranomon 1-chome, Minato-k, Tokyo 01, 〒1050001, JP)
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