Computer Science Seminar Series
Scalable Data Replication with Freshness Guarantees
March 07, 3:00pm
Weir Hall, Room 235
Presenter: Dr. Khuzaima Daudjee
Faculty Candidate
In recent years, a variety of new applications have emerged that allow access to data from around the globe. Telecommunication-based and web-based applications, such as e-commerce, have gained enormous popularity. Replication can be used to provide good performance and availability by distributing the load and increasing resources in the system as it services transactional requests from these applications. However, the presence of multiple copies of data (or replicas) poses some key challenges. For example, when one replica is updated, the other replicas become stale. Moreover, if updates are not applied in the same order to replicas of a data item, the copies become inconsistent. In this talk, Daudjee presents techniques on providing transactional data freshness guarantees for replicated systems while allowing the system to scale.
Khuzaima Daudjee recently completed his PhD in computer science at the University of Waterloo. His research interests include data management, distributed systems, and software engineering. He is particularly interested in data management issues arising from the distribution of resources. Dr. Daudjee is a candidate for a faculty position in the Department of Computer and Information Science.
Dr. Hui Chen is a geophysicist turned computer science researcher and a software development practitioner. He spent years in studying geophysics, especially, computational problems in geophysics, which kindled his initial interest and passion for computer science and software development. In 2006, he received his Ph.D. in Computer Science from the Department of Computer Science, at the University of Memphis, where he taught/assisted undergraduate/graduate courses and published more than 20 journal and peer-reviewed conference papers including 6 IEEE Transactions papers. His primary research interests are at areas of computer system and networking as well as applied computing. He is currently concentrating his research on design and analysis of personal communication service systems, wireless LANs, wireless sensor networks, mobile/wireless distributed systems, and cache systems for wireless systems. He is/was a Technical Program Committee member for several international conferences, such as the International Wireless Communication and Mobile Computing Conference 2007 and the International Conference on High Performance Computing and Communications 2005. He is serving a guest editor of journal special issue Wireless Telemedicine and Applications of EURASIP Journal on Wireless Communications and Networking. He works for AutoZone, Inc., as a computer programmer since August 2005. He is a member of the IEEE and the ACM.
Dr. Chen is a faculty candidate in the Department of Computer and Information Science.