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  1. Proceedings of the third international workshop on Use of P2P, grid and agents for the development of content networks (UPGRADE '08)
  2. Synchronization of CDN-based collaborative playbacks
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Autonomics for grid systems and applications
A social framework for content distribution in mobile transient networks
Distributing and managing data on desktop grids with BitDew
GRIDSAN: an available dynamic grid system for ad hoc networks
A group-based content delivery network
Advanced semantic search and retrieval in a collaborative peer-to-peer system
A grid-based architecture for nearest neighbor based condensation of huge datasets
Self-organized customized content delivery architecture for ambient assisted environments
Synchronization of CDN-based collaborative playbacks
A globus toolkit 4 based instrument service for environmental data acquisition and distribution
A content distribution network deployment over WLANs for fire detection in rural environments

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A Scalable System for Large-scale Multimedia Distribution Based on Hybrid Networks

Synchronization of CDN-based collaborative playbacks

Content Provider ACM Digital Library
Author Russo, Wilma Fortino, Giancarlo Leo, Vittorio
Abstract Collaborative playbacks systems (CPSs) are media on-demand systems that allow a tightly coupled group of remote clients to jointly request, watch and control a streamed multimedia session (or media playback). Although it is a requirement that the view of the media playback is to be synchronized among the clients of the group, currently the available CPSs are only based on best-effort media playback synchronization. This paper proposes a protocol, K-Sync, for the synchronization of collaborative playbacks provided by content delivery networks (CDNs). In particular, K-Sync is based on a CDN-driven approach which uses the estimates of the latencies between CDN servers and clients to opportunely delay the transmission of media streams from CDN servers to clients so as to provide the synchronization of the playback view. K-Sync is designed through a variant of the Extended Finite State Machines (EFSM), an effective formalism for modeling distributed multimedia systems. A prototypal Java-based implementation of K-Sync was carried out and validated on a local testbed.
Starting Page 73
Ending Page 80
Page Count 8
File Format PDF
ISBN 9781605581552
DOI 10.1145/1384209.1384223
Language English
Publisher Association for Computing Machinery (ACM)
Publisher Date 2008-06-23
Publisher Place New York
Access Restriction Subscribed
Subject Keyword Protocol and system design Content distribution networks Multimedia systems Distributed synchronization
Content Type Text
Resource Type Article
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