We are currently experiencing frequent communication breakdowns in our backbone network.

By taking temporary measures, we are operating to reduce the frequency of communication interruptions.

To determine the cause of the failure, inspection work will be conducted on Sunday, October 30, with a 30-minute communication outage.

Communication will be suspended for a long period, we ask for your cooperation to ensure the stable operation of the backbone network.

Date and Time： Sunday, October 30, 2022 Currently scheduled from around 11:25
Work contents： Investigate the cause of backbone network failure
Impact： A communication breakdown of about 30 minutes occurred in all networks of the University of Tsukuba (including the Tokyo campus and remote areas).