Multicast routing for multimedia communication
IEEE/ACM Transactions on Networking (TON)
IEEE Transactions on Parallel and Distributed Systems
Segment-based proxy caching of multimedia streams
Proceedings of the 10th international conference on World Wide Web
Distributed servers architecture for networked video services
IEEE/ACM Transactions on Networking (TON)
Strategic Replication of Video Files in a Distributed Environment
Multimedia Tools and Applications
Exploring Wait Tolerance in Effective Batching for Video-on-Demand Scheduling
ICCSSE '97 Proceedings of the 8th Israeli Conference on Computer-Based Systems and Software Engineering
Network Caching Strategies for a Shared Data Distribution for a Predefined Service Demand Sequence
IEEE Transactions on Knowledge and Data Engineering
Application-Level QoS Control for Video-on-Demand
IEEE Internet Computing
Optimal peer selection for minimum-delay peer-to-peer streaming with rateless codes
Proceedings of the ACM workshop on Advances in peer-to-peer multimedia streaming
OMNI: an efficient overlay multicast infrastructure for real-time applications
Computer Networks: The International Journal of Computer and Telecommunications Networking - Overlay distribution structures and their applications
Threshold-based multicast for continuous media delivery
IEEE Transactions on Multimedia
On a unified architecture for video-on-demand services
IEEE Transactions on Multimedia
Optimal proxy cache allocation for efficient streaming media distribution
IEEE Transactions on Multimedia
Multimedia information caching for personalized video-on-demand
Computer Communications
User-level QoS-adaptive resource management in server end-systems
IEEE Transactions on Computers
Cost-effective multicast approaches for time-critical applications in dynamic network environments
Journal of High Speed Networks
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In this paper, we address the issue of efficiently streaming a set of heterogenous videos under the constraint of service latency over a scalable multimedia systems. We propose a novel strategy, referred to as window-assisted video partitioning (WAVP), for rendering cost-effective multimedia services. The objective is to minimize the service cost and maximize the number of requests that can be successfully served under resources constraints (cache capacity and link bandwidth). We formulate the problem of video partitioning as an optimization of both bandwidth resources and cache space, and derive the optimal schedule window for different video portions under consideration of time constraints, the popularities and the sizes of the video portions. In WAVP, video are partitioned into multiple portions and delivered according to by adaptive schedule windows. We prove that WAVP strategy not only optimize the service cost but also be able to serve requests under the time constraints without causing too much delay. We conduct mathematical analysis and derive certain performance bounds that quantify the overall performance of the strategy. It shows that the service cost can be optimized by adjusting the schedule window and resources utilization can be improved as video streams are partitioned into multiple portions. We evaluate the performance under several influencing parameters such as available bandwidth, cache capacity, and partition gradients. Simulation results show that our proposed method can not only significantly reduce the service cost under tight time constraints and with low partition overhead, but also balance the utilization of network resources to achieve high acceptance ratio with low average service cost.