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Mobileman, HUT, 7/6/04, Cambridge Economic Work

This article discusses the past, current, and future approaches to incentive mechanisms for resource sharing in mobile networks. It explores control laws, security requirements, and application scenarios, and considers the economic framework and mobility models. It also highlights the challenges and potential solutions for cross-layer control and middleware/P2P applications.

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Mobileman, HUT, 7/6/04, Cambridge Economic Work

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  1. Mobileman, HUT, 7/6/04, Cambridge Economic Work http://www.cl.cam.ac.uk/~jac22 Jon Crowcroft, Elgan Huang (PhD student), [Sven Ostring], Ziran Sun (new Post Doc RA), Wen-Jun Hu (PhD student)

  2. Work Y1, Y2 • Past • Control Laws for incentive for resource sharing (transmission/receive, battery etc) • Security and dynamics requirement for token for enforcement of sharing rules • Current • Application Scenarios & Business Case (today) • Accurate Mobility Models • Future • Middleware / P2P Applications • Cross Layer Control (fuzzy logic controller, dual layer interference suppression)

  3. Past work • Dual control for incentives: • Route choice based on willingness to pay, and charge for resource • Requires tamper-proof, dual-spend-proof token minting & checking (hard to do p2p) • Requires witnesses or other prevention of denial or theft of service

  4. Current Work • Economics (see next few slides) of • Use Case and • Incentives (Elgan/Sven/Me) • Mobility Models based on real world measurement • Vehicles (see scenario) - have simulation (Elgan/Wen Jun) • People in Building/Mall

  5. Economic Framework • Looked at possible business case for manet • City Cabs (paper circulated) • Wireless Net Games (see netgames paper) • Shopping Mall • File Sharing on Autostrada (bahn, freeway) • Haggle (see tomorrow!) • Have paper accepted in SIGCOMM PINS workshop on why incentives do not work! • Have analysis paper of pros/cons

  6. Service Content Needs Network Device Regulatory Environment Econ 1 - Frame

  7. Flow of money Flow of info Hardwar Manufacturers Content Developers Hardwar Retailers End Customers Service Provider Econ 2 - Stakeholders

  8. Hardware Supplier Software Supplier Customer Cab Company Cab drivers Dispatchers Flow of money Flow of info Internet Service Prov (with access point) Credit card service prov (with credit card facility) Econ 3 - Ad Hoc Taxi Dispatch

  9. Flow of money Flow of info HardwarManufacturers Content Developers Hardwar Software Retailers Content Publisher End Customer Econ 4 - Ad Hoc Game

  10. Hardware Supplier Software Supplier Retailers Shopping Mall Retail suppliers and franchisers that pay for adverts on behalf of retailers Shoppers Flow of money Flow of info Econ 5 - Ad Hoc Shopping Mall

  11. Incentives • PINS paper: argue that early adopters cooperate • Argue that incentives only work if • Visible (e.g. money) or • Automatic • If visible then • add decision complexity for user • Monetizing creates opportunity for gaming (arbitrage) • If automatic (e.g. in MAC) • not easy to experiment • but good long term goal!

  12. Future:- Cross Layer&P2P Apps • Cross layer - idea 1 • to use fuzzy logic controller to fuse together rules in the NeST • avoid problems of dual nested (!) control loop in MAC & Route Choice & TCP • Middleware/P2P Apps • Could locate in application Agent (nest manager?) • P2P app - see Haggle (tomorrow!) multicast file share/synchronisation

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