RTCL Projects

Software Systems

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Server Virtualization

• Low-cost virtual machine high availability in collaboration with HP Labs
• Adaptive control of virtualized resources in collaboration with HP Labs
• Performance comparison of server consolidation techniques

System Software

• Software-Privacy Preserving Platform
• Minsk: a Minuscule Security Kernel
• JTL Template Library

Cyber-Physical Systems

Real-Time Embedded Systems

• Automatic Integration of Reusable Embedded Software

Computer and Communication Networks

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Cognitive Radio Networks

• MAC-layer Spectrum Sensing Algorithms and Mechanisms
• Context-Aware Wireless Spectrum Agility (CASA)
• Spatial Spectrum Reuse with Multiple Input Multiple Output (MIMO) systems
• Exploiting Multi-Channel Diversity for Throughput Maximization

Wireless Mesh and Mobile Community Networks

• Autonomous Wireless Systems Using Mobile Robots
• Self-Healing Multi-Radio Wireless Mesh Networks
• Wireless Link-Quality Measurement Framework
• Improving TCP performance with multi-homed mobile hosts
• Handheld Router in collaboration with HP Labs

Wireless Sensor Networks

• Opportunistic Data Aggregation in Wireless Sensor Networks
• Location Service for a Hybrid Network of Stationary Sensors and Mobile Actors
• Service Model for Integration of reaL-time Embedded systems

Internet QoS and Routing

Internet QoS is indispensable to various types of real-time applications such as multimedia over IP as well as embedded applications like factories and homes. In these projects, we develop and evaluate various protocols that guarantee or provision such QoS as end-to-end packet delays and jitter bounds, packet loss rate, and bandwidth.

Current Projects

• Analysis of BGP Routing Changes
• Differentiated BGP Update Processing
• Performance of Traffic Aggregates under Guaranteed-Rate Scheduling Algorithms

Previous Projects

• Differentiated Services on the Internet
• Dependable Real-Time Communications
• Statistical Performance Guarantees
• Real-Time Task and Packet Scheduling
• Flow and Congestion Control
• QoS Communication Architecture Design
• QoS Routing
• Time-Constrained Communications for FDDI and Dual-Bus Networks

Computation and Networking Security

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• Botnet Analysis and Detection
• Self-Securing Services for Mobile Handsets
• Protection Against Malicious Attacks for Enterprise Networks
• LiSP: Lightweight Security Protocols for Wireless Sensor Networks
• Internet Security