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Networking: Evolution, Challenges, and Future Directions

Dive into the world of networking with insights from leading experts discussing grand challenges, evolving technologies, and the future landscape of communication networks. Explore topics such as network scalability, robust design, and the impact of diverse applications in a rapidly changing environment. Discover the complexities of network science and the quest to build resilient and adaptable networks capable of supporting a wide array of technologies and services. Join the conversation on the evolution of the Internet and the quest for innovative solutions to shape the future of networking.

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Networking: Evolution, Challenges, and Future Directions

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  1. Networking Grand Challenges NSF Future Directions Workshop April 2003

  2. Our panelists: • Ravi Mazumdar, Purdue • Larry Peterson, Princeton • Lixia Zhang, UCLA • Jean Walrand, Berkeley Moderator: Don Towsley, UMass

  3. Is networking in doldrums? • stagnant economy • uncertain funding picture • world affairs • SARS • university budget cuts 

  4. layered networks wireless Internet mobile interplanetary sensornet high performance 10 years  These are exciting times!

  5. Charter of panel • what constitutes a grand challenge? • intra area? e.g., one petabyte transfer in < one second • inter-area? how to design robust networks independent of technology/application • what are some of the grand challenges?

  6. What are the important research challenges? • timeless(still unsolved) problems? how to build robust networks that scale with technology to handle diverse apps (1965) • what are the new drivers: • technological? • applications? • social? • short-term versus long term challenges?

  7. Observation: diversification of community • 1994 - INFOCOM, SIGCOMM portions of Globecom, ICC • 2003 - INFOCOM, SIGCOMM, ICNP, IMC, MOBICOM, MOBIHOC, MOBISYS, WCNC, web/P2P/CDN conferences, … portions of many other conferences Are we splintering?

  8. Observation: diversification of community • 1994 - INFOCOM, SIGCOMM portions of Globecom, ICC • 2003 - INFOCOM, SIGCOMM, ICNP, IMC, MOBICOM, MOBIHOC, MOBISYS, WCNC, web/P2P/CDN conferences, … portions of many other conferences Challenge: how to maintain communication / interactions? NSF role?

  9. Panel Format: • panelists (short) presentations (8 min each) • panelist observations/questions • open discussion Ravi Mazumdar Larry Peterson Lixia Zhang Jean Walrand Don Towsley

  10. A network science? Goal: to answer questions like • why do topologies look as they do? • why do disruptive apps appear? what are their effects? • a single bottleneck link? multiple botteleneck links? on end2end paths Components: • physical laws, mathematics, algorithms, markets • components change over time (how?) • parallel networks (universes)

  11. A network science? • multidisciplinary – stat/probability, computer science, nonlinear systems, market economics, communication theory, complex systems, … • experimental methods, need for data • translation into engineering As challenging/important as physics, biology, …

  12. Evolution of the Internet

  13. What have we heard? • mathematical theories to: • understand performance limits • compute/communication/sensing tradeoffs with power constraints • understand as a complex system • how to design evolvable networks • how to design resilient (tolerate any fault) networks • how to design markets and network mechanisms to support future heterogeneous apps

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