News

by S K Tsui

The majority of the wireless access points (APs) installed on campus were the outdated Aruba AP-125 model (product of year 2009) which supports legacy standards 802.11a/b/g/n but cannot support the 5th generation of Wi-Fi standard 802.11ac. In order to meet the increasing demands from user devices ...

by Manfred Chan

What are public, private and hybrid clouds? Public clouds are services based on the standard cloud computing technology to provide flexible and on-demand computing and network resources to the general public over the internet. A public cloud deployment model is different from a private network ...

by S K Tsui

​ CityU is collaborating with various organisations and wireless service providers (WSP) to provide free Wi-Fi services for all CityU staff and students outside the CityU campus. Hotspot locations span over 70 countries world-wide. When you visit any one of these hotspots and provided your Wi-Fi ...

by Dick Wong

A new upgrade of the campus network had already been started with Phase I (replace/upgrade the network switches at the core and distribution layers) being completed in 2015. The existing network design adopted a traditional 3-tier hierarchical model comprising the core, distribution and access ...

by S K Tsui, Cheung Sai Hung

wifi
CityU has been offering wireless LAN (Wi-Fi) service since year 1997. It enables us the freedom and flexibility of accessing the Internet without cable. With the sharp growth of different brands and models of Wi-Fi user devices being brought and used on campus which may run different Wi-Fi ...

by John Chan

Data Centre Management
Why Upgrade? Since the establishment of City University, the Computing Services Centre (CSC) was charged with the full responsibility of providing all Central IT services to the University to support all its administrative, academic and research works. Since then, the CSC has followed closely with ...

by Helium Hung

To further enhance the website hosting environment of the university, an upgrade of the central web server (www.cityu.edu.hk) had been completed on 16th Oct 2013. The central web server (www.cityu.edu.hk) was previously served by Sun Solaris and Apache. After the websites were migrated to a new ...

by C Y Kwok

In order to cope with the ever increasing demands for Internet bandwidth of HARNET (Hong Kong Academic & Research Network) member institutions, especially in anticipation of new demands due to increased number of students arising from the 3-3-4 curriculum reform, a series of upgrades were carried ...

by Matthew Hung

In the last issue of Network Computing, the upgrading of www6 has been described in view of the application side ( Ref: Upgrading www6: The Application Side). In this article, we shall look at the infrastructure aspects of the upgrade. In July 2011, the www6 system (front-end and back-end components ...

by S K Tsui

Introduction Since the CityU Wireless Local Area Network ( WLAN) has rapidly become an essential requirement for the University community, the usability and stability of the WLAN service is therefore very important. In this regard, the Computing Services Centre (CSC) has decided to conduct ...