The National Institute of Informatics has informed the maintenance of SINET, which the University of Tsukuba uses for external connections.

During maintenance, network connections outside the campus and between the Tsukuba Campus and the Tokyo Campus will be interrupted.

Date and time： Monday, June 12, 2023, 4:30 〜 6:00 AM
Work contents: Maintenance of SINET
Impact： No communication interruption is expected.

Date and time： Saturday, June 17, 2023, 0:00 〜 2:00 AM
Work contents: Maintenance of SINET
Impact： Communication interruption of about 1 minute will occur 4 times within the maintenance time.