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2016/07/07 19:00 (Thursday) - 2016/07/07 22:00 (Thursday) - Upgrade of HARNET-Internet Connection on 7 July 2016

The Hong Kong Academic and Research NETwork (HARNET), which links the eight universities in Hong Kong to the Internet, will be upgraded on 7 July 2016 (Thursday) for resiliency improvement.

After the upgrade, the new optical HARNET will be supported by two optical nodes installed at the respective data centers of each university which can enhance the network resiliency compared with the current setup using one optical node at each university.

To prepare for this upgrade and actual implementation, there will be two less than 5-minute short interruptions to the Internet connectivity on campus at each of the following periods-

1. 5 Jul 2016 (Tuesday) from 7:00am-7:30am
2. 7 Jul 2016 (Thursday) from 7:00pm-10:00pm

For enquiries, please contact our Service Desk at or 3917 0123 during office hours; and call our Computer Room at 2859 2496 after office hours.

Ronald Leung
Network Team
Information Technology Services