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Delay-tolerant Networking Routing Protocol Development With The One - PowerPoint PPT Presentation

Sep 05, 2023 •457 likes •561 views

Delay-tolerant Networking Routing Protocol Development With The One Simulator Jonathan Humphrey Introduction Routing Protocol Background Hybrid Routing ONE Simulator Test Results Further Work Routing Protocol Background

  1. Delay-tolerant Networking Routing Protocol Development With The One Simulator Jonathan Humphrey

  2. Introduction • Routing Protocol Background • Hybrid Routing • ONE Simulator • Test Results • Further Work

  3. Routing Protocol Background • 1st generation - Random - Epidemic • 2nd generation - Probabilistic - PROPHET • 3rd generation - Context-aware - MaxProp/RAPID • 4th generation - Socially-aware - BUBBLE • 5th generation - ?...All protocols have downsides !

  4. Hybrid Routing • Context, social & location-aware combinations • Supplemental connectivity data can aid routing • Use of social network rank as probability weight • Use of geo-socio location to improve context-based routing

  5. PROPHET • Encounter equation - P' xy = P xy + (1-P xy ) x P init • Ageing equation - P' xy = P xy × γ k • Transitive equation - P' xz = P xz + (1 − P xz )P xy P yz β • Static or dynamic N prob • N prob = N(prob) +/- (1-N(prob) / tablesize) • N prob = constant value • P' xy = P xy + (1-P xy ) x P init + N prob

  6. One Simulator • Realistic, user-controlled DTN simulator • Pedestrians, cars, buses, static nodes/hubs • Scalable to thousands of nodes • Support development of new protocols • Supports external datasets & new maps • Report framework for detailed analysis

  7. Test Results

  8. Test Results

  9. Further Work • Further protocol extension & implementation • Longer simulations - 6+ hours • Protocol selection via framework implementation • Use of Area-specific DTN social networks

  10. Thanks • Any Questions?

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