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Wireless Networks of Devices

Clients. Devices, sensors, actuators Mobile services and users. Heterogeneous services, audio, video, conferencing applications. Spontaneous collaborations. Home networks. Future. Networks today. Wireless. Routers. Web servers. Intentional Naming System.

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Wireless Networks of Devices

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  1. Clients Devices, sensors, actuators Mobile services and users Heterogeneous services, audio, video, conferencing applications Spontaneous collaborations Home networks Future Networks today Wireless Routers Web servers Intentional Naming System Expressiveness  Intentional names Applications know what, not where Responsiveness  Late binding Integrate name resolution and message routing Robustness  Decentralized, cooperating resolvers Easy configuration  Self-configuring overlay network protocol Intentional names are expressive Late binding achieves responsiveness • [vspace = lcs.mit.edu/camera] • [building = ne43 • [room = 510]] • [resolution=800x600] • [access = public] • [status = ready] Name resolver Routing protocol with triggered update Service Descriptive service advertisements Client Self-configuring overlay network of resolvers Service mobility • [building = ne-43 • [room = 510]] • [entity = camera] [vspace = mit.edu/thermometer] [building = ne43 [floor = 5 [room = *]] [temperature < 600F] • [building = ne-43 • [room = 510]] • [entity = camera] Active map application for navigation and browsing data Query expressions Intentional multicast for group communication Intentional anycast for unicast discovery Name resolver Name resolver • [building = ne-43 • [room = 510]] • [entity = camera] • [building = ne-43 • [room = 504]] • [entity = camera] Forward along spanning tree Forward to best location Real-time conferencing • [building = ne-43 • [room = *]] • [entity = camera] • flag = ALL • [building = ne-43 • [room = *]] • [entity = camera] • flag = ANY • [building = ne-43 • [room = 510]] • [entity = camera] • [building = ne-43 • [room = 510]] • [entity = camera] data data Wireless Networks of Devices William Adjie-Winoto, Anit Chakraborty, Jeremy Lilley, Elliot Schwartz Hari Balakrishnan, John Guttag, Minoru Katayama (NTT)http://wind.lcs.mit.edu/ • WIND research areas • Configuration: Automatic network formation • Routing: Mobile ad hoc routing protocols • Discovery: Intentional naming system • Adaptation: Congestion manager • Security: private location support system

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