Professor
Joined School 1975
BS (UCLA),
MS (UCLA),
PhD (UCLA)
| jwwong@uwaterloo.ca | |
| Web | http://www.cs.uwaterloo.ca/~jwwong |
| Voice | 519-888-4567 x34431 |
| Fax | 519-885-1208 |
|
| Johnny Wong
Professor Joined School 1975 BS (UCLA),
|
Professor Wong's research program is concerned with performance evaluation of computer systems and networks. In recent years, topics investigated by Professor Wong and his PhD students are deadline-based packet scheduling, delivery of dynamic information, and scalability of distributed virtual environments. Deadline-based packet scheduling was shown to be an effective approach to meet delivery deadlines. Research contributions include the design of scheduling and admission control algorithms in support of real-time document delivery. With web caching and dynamic content, cached pages may become stale if the server is not able to transmit page updates immediately. Guidelines for caching pages and transmission of updates were developed. In distributed virtual environments, research results showed that a two-level hierarchical architecture has good properties in terms of scalability.
Professor Wong's current research is focused on autonomic resource provisioning in a data centre which has heterogeneous computing resources and supports a diverse set of applications. These applications may have varying workloads and performance requirements. There is a cost associated with resource usage. The objective is to investigate dynamic resource management algorithms that meet the service level agreement of each application while keeping the usage cost to a minimum, and to evaluate the effectiveness of these algorithms on a virtual computing infrastructure.
David R. Cheriton Faculty Fellowship, University of Waterloo (2005-2008); Faculty of Mathematics Fellow, University of Waterloo (2001-2004)
Professor Wong has spent three sabbatical leaves at the IBM Zurich Research Laboratory (1981 to 1982, 1988 to 1989, and 1995 to 1996), working on token ring performance, gigabit per second local and metropolitan area networks, and Internet telephony, respectively. Since 1996, he has been a visiting scientist at the IBM Toronto Laboratory Centre for Advanced Studies.
Y. Hu, J.W. Wong, G. Iszlai, and M. Litoiu. Resource Provisioning for Cloud Computing, Proc. CASCON 2009, Markham, 2009.
M. Kwok and J.W. Wong. Scalability Analysis of the Hierarchical Architecture for Distributed Virtual Environments. IEEE Transactions on Parallel and Distributed Systems, 19(3):408-417, 2008.
Y.E. Liu and J.W. Wong. Deadline-Based Scheduling in Support of Real-Time Data Delivery. Computer Networks, 52(3):514-530, 2008.
G.v. Bochmann, J.W. Wong, et.al. Scalability of Web-Based Electronic Commerce Systems. IEEE Communications Magazine, 41(7):110-115, 2003.
David R. Cheriton School of Computer Science
University of Waterloo
Waterloo, Ontario, Canada N2L 3G1
Tel: 519-888-4567 x33293
Fax: 519-885-1208
Contact | Feedback: cs-webmaster@cs.uwaterloo.ca | David R. Cheriton School of Computer Science | Faculty of Mathematics
Last modified: Monday, 20-Dec-2010 14:29:55 EST
