Final presentation survey p2p-videostreamingwmn
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Survey P2P Video Streaming
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Final presentation survey p2p-videostreamingwmn
- 1. Survey on P2P Video Streaming over Wireless Mesh Networks DEMETRIOU, CHARIS NASIR, MUHAMMAD ANIS UDDIN SEVERIEN, ANTONIO RODRÍGUEZ GARCÍA, ANTONIO 1
- 2. Overview • Proposed work • Introduction • Wireless Mesh Networks Challenges • Proposed Optimizations/Solutions • Related Work • Conclusion • Q&A
- 3. Proposed Work • P2P Video Streaming... • ...over WMNs • Challenges • Solutions/Architectures • Optimization
- 4. Peer to Peer • Scalable • Reliable • No central administration • Low cost • 70% internet traffic
- 5. P2P Video Streaming • New trend • Reliable • Efficient • Content Streaming • Live Streaming
- 6. Wireless Mesh Network • Cost-effective • Self organizing • High capacity • Low maintenance cost • Easy deployment
- 8. Challenges • Scarce resources • Churn • Quality of Service (QoS) • Quality of Experience (QoE) • Latency • Mobility • No underlay awareness
- 9. Proposed Optimizations/Solutions • Streaming Architecture • Peer Selection • Cross Layer • Opportunistic Caching • QoS / QoE • Resource Usage • Replication
- 10. Streaming Architecture Tree-based Mesh-based
- 11. Peer Selection • Receiver based Rate allocation and Peer Selection (RPS) • Latency based • Geo-location based • Peer resources based • ALTO service
- 12. Cross Layer Design • Swarm Intelligence • ...focusing on scalability and bandwidth for MANETs • Push-and-pull approach • Optimal next-hop based on probabilities; derived from swarm intelligence algorithm (ARA) • WMN have similar dynamic nature
- 13. Opportunistic Caching • Local caching • Cross-layer interaction • Reduction of duplicated content from 46,7% to 1,3%
- 14. Quality of Service/Experience • Multi-gateway approach with Multiple Description Coding
- 15. Quality of Service/Experience • Collaborative resource exchanges • 3D wavelet video codec • Path discovery using AODV • Video compression algorithm
- 16. Resource Usage • Hybrid TCP • ALTO server to group neighboring nodes • Frame rate adaption according to bandwidth • Avoiding duplicated content • Peer selection
- 17. Replication Scheme • Home-to-home video clip replication scheme (H2-VIP) • Deals with online/offline behavior • Consider popularity of video • Extra replicas to increase the availability
- 19. Related Work • P2P Video Streaming • P2P content sharing over WMNs o discussion of overlay and mesh network combination o proposed a venture investment scheme to provide better network performance • MANETs o does not provide acceptable QoS, not viable for streaming o high packet losses
- 20. Related Work • VANETs o Address the dynamic nature of Vehicular Ad-Hoc Networks (high speeds, frequent topology and connectivity changes, low throughput and strict delay requirements) o Streaming Urban Video o next-hop selection is based on current position and received power o use of graph-coloring theory to detect collisions
- 21. Conclusions • P2P Video Streaming over WMN can be reliable and cost effective solution • Scarce resources, churn, mobility, no-underlay awareness makes problem more challenging • Different schemes can be used to solve the problems • Uniting solutions for different problems on one system
- 22. Questions?