This document presents a proposed peer-assisted video sharing system for online social networks. It begins with an introduction to increased popularity of video sharing and existing peer-assisted video on demand techniques. It then describes limitations of current client-server architectures, including high bandwidth costs. The proposed system aims to improve performance by exploring social relationships and interest similarities between peers. It uses four algorithms to construct peer overlays, prefetch chunks, deliver chunks and scheduling. The implementation aims to reduce data storage and bandwidth requirements while providing scalability. Simulation results show improved startup delays and reduced server traffic compared to existing systems.

1. Presented by
M.Dinesh
1vth C.S.E
Projectguide:k.nagendrarao sir

2. Important topics
 Introduction
 Existing system
 Proposed system
 Algorithms used
 Implementation
 Advantages
 Conclusion

3. Introduction
 Video sharing has been an increasingly popular
application in online social networks.
 The peer-assisted Video-on-Demand technique, in
which participating peers assist the server in delivering
video content has been proposed recently.
 Based on our long-term real-world measurement of
over 1,000,000 users and 2,500 videos on facebook.
 A novel peer-assisted video sharing system that
explores social relationship, interest similarity, and
physical location between peers in OSN

4. Existing system
 The development of OSN video sharing applications
illustrates the evolution of OSNs from simply
communication focused tools to a media portal.
 The client/server architecture of its video sharing
system, which is not only costly in terms of server
storage and bandwidth
 YouTube, spends roughly $1,000,000/day for its server
bandwidth.

5. Proposed system
 The existing definitions and also removed the
drawbacks with the existing systems and also improve
the performance of the network.
 Our proposed system will improve the reduction
memory wastage .
 It also improves the bandwidth which required for the
overall transformation.

6. Algorithms used
 It uses four algorithms namely:
1. S-N based P2P overlay construction algorithm
2.SN-based chunk prefetching algorithm
3.chunk delivery and
4. scheduling algorithm,

7. Implementation
 Implementation is the stage of the project when the
theoretical design is turned out into a working system.
 Thus it can be considered to be the most critical stage
in achieving a successful new system and in giving the
user confidence.
 The implementation stage involves careful planning,
investigation of the existing system.

8. Advantages
 It will reduce the data storage cost and also bandwidth
requirement.
 With each peer contributing its bandwidth to serving
others.
 The P2P architecture provides high scalability for large
user bases.

9. Conclusion
 It provides efficient P2P-assisted video sharing
services.Extensive simulation results show that
Socialtube can provide a low video startup delay and
low server traffic
 The experimental results from the prototype further
confirm the efficiency of SocialTube.

10. Any queries???