Current Projects

Optical Networking

1. Upgrading the NSF backbone
2. Cycle breaking algorithms for all-optically switched networks
3. Local-area multichannel protocols

Wavelength-Division Multiplexing

1. Efficient transmission scheduling
2. Virtual multihop topologies
3. Multicasting and multicast protocols
4. Uique properties of optical components

Internet QoS

1. Differentiated services
2. QoS-aware multicast
3. Measurement-based Qos provisioning
4. Overlay networks

Wireless and Mobile Ad Hoc Networks

1. Localization techniques
2. Routing in Ad hoc networks
3. Architecture for cellular networks

Internet Measurements

1. Architecture and algorithms for continuous network monitoring
2. Characterization of wide-area routing dynamics
3. Signal processing techniques for anomaly detection
4. Robustness, security, and efficiency of control plane