Current Research Interests and Projects

• Block-structured Markov processes
• Censoring technique in studying Markov chains with block-structure
• Factorizations in two-dimensional systems
• Mean-field interation modeling in networks
• Quasi-stationary behaviour
• Stochastic block-monitonicity
• Tail asymptotics
• Channel allocation schemes in wireless mobile communications
• Effective bandwidths
• High Speed Data Over Wireless Systems
• Impact of the presence of impatient customers on network performance
• Load Balancing and Control
• Network routing optimization
• IP address lookup and packet classification algorithms
• Queues, networks, and performance analysis related to satellite switches
• Self-similar network traffic
• Traffic control in the Internet
• Traffic modeling and simulation