Modern communication networks are stunning examples of the power of sophisticated technology to change the way people work and live. In the last 100 years, the telephone has become an indispensable part of modern life and the networks that support world-wide telephone service have advanced rapidly in sophistication and complexity. Since the late 1950s, digital electronics has transformed communications technology, allowing the construction of flexible networks capable of handling a variety of different applications, including computer communications, facsimile, and video conferencing. The design of modern communication networks requires a remarkable diversity of knowledge and skills. It is an inherently interdisciplinary endeavor, requiring specialists in a wide range of areas, including optical device technology, operating systems, distributed computing, integrated circuit design, signal processing, communication theory, protocols, and switching system architecture. At the same time, it requires generalists, capable of bridging the gaps among specialties and making complex trade-offs among competing alternatives. It is a field that requires a solid understanding of current practice and the underlying technology that supports it. It is also a very dynamic field in which continuing advances in technology are constantly changing underlying assumptions. This requires a thorough appreciation of the underlying principles and the ability to apply those principles in novel ways. Professor Paul Min is engaged in the research activities that address control and management of communications networks. A number of sophisticated applications evolving in the communication networks require high bandwidth and contain unpredictable traffic patterns. The communication networks are likely to be pushed to the limit due to many unknowns in supporting such applications. It is critical to control and manage the capacity of the network in a manner so as to guarantee the end-user performance while utilizing the bandwidth efficiently. Through the use of mathematical modeling, analysis, and simulations, methods and paradigms of controlling traffic and network capacity are developed. Often, software and hardware tools are developed as a result of this research, which can be used in the field to aid engineering practitioners. Professor Min, through collaborations with other Washington University faculty members, has invented and implemented several versions of high performance packet switching systems. These systems which is based on multi-channel switching, an innovative concept to scale up the performance and speed of communication networks, have been developed commercially and deployed. A significant challenge in implementing broadband communication networks is the development of a switching methodology that can support the very high bandwidth transmission associated with lightwave technology. Professor Min and the members of his research group have pioneered the realization of multi-channel switching which can alleviate the speed and performance constraints of electronic switches. In Professor Min's research group, many different types of research expertise exist such as VLSI design, architecture development, protocols, mathematical analysis, system prototyping and testing, and software simulation. Professor Manju Hegde conducts research in the areas of networking and communications, specifically in in the area of quality of service provisioning in broadband networks and wireless networks. This work has been sponsored by a number of sources, both federal and corporate. Recently, he has developed novel bandwidth allocation, scheduling, and shaping algorithms for high speed switches which are being implemented in products. He is one of the inventors of the Real Time Adaptive Bandwidth Allocation (RABA) Protocol, a parallel, distributed, protocol for bandwidth scheduling across a high-speed switch which has been well received in the broadband switching industry. RABA has low complexity and very high throughput with particular advantages for multicast. Professor Hegde has also contributed to the fundamental understanding of intercell effects in wireless cellular networks. He has devised several techniques to evaluate propagating effects in cellular networks. His team has developed a very intuitive software package which can evaluate the capacity of CDMA networks and optimize power levels to enhance capacity and throughput. He is currently embarked upon bringing true quality of service to broadband wireless access networks and in developing an empirical network prediction method which will make traffic and network management much more timely and responsive.