Filters








1,542 Hits in 3.3 sec

Quality-Aware Cooperative Proxy Caching for Video Streaming Services

Yoshiaki Taniguchi, Naoki Wakamiya, Masayuki Murata
2008 Journal of Networks  
Index Terms-video streaming service, cooperative proxy caching, quality adjustment, MPEG-4, implementation Yoshiaki Taniguchi received his B.E.  ...  Furthermore, to verify our mechanism, we implement a real system for MPEG-4 video streaming services and show that our proxy caching system can provide users with a continuous video distribution under  ...  ACKNOWLEDGMENTS The authors would like to thank Kenji Leibnitz and anonymous reviewers for their help, suggestions, and helpful comments for this work.  ... 
doi:10.4304/jnw.3.8.16-25 fatcat:g7ffjm3mezdrdkcmmoee2ky7e4

Popularity Aware Limited Caching for Reliable On Demand P2P Video Streaming

T. Suresh, K. Vekatachalapathy
2012 International Journal of Computer Applications  
It is an attractive approach to minimize the network traffic incurred in video streaming through cooperative caching.  ...  We proposed an efficient hybrid proxy caching system in order to reduce the network/ server load while improving the end user perceived video quality.  ...  The segment-based proxy caching technique provides efficient streaming with high scalability, but the quality of service is still not satisfactory in the client side due to the following reasons i) The  ... 
doi:10.5120/9340-3657 fatcat:otjncltqmndd7a5qxkoh5p47l4

Quality-Aware Proxy Caching for Web Videos [chapter]

Stefan Podlipnig, László Böszörményi
2000 Distributed and Parallel Systems  
We introduce the notion of quality-aware video caching and discuss how video scaling techniques can be integrated into a video cache.  ...  Besides proposing a combination of quality reduction and replacement strategies we present a basic structure for a video proxy. Additionally we discuss further video caching topics.  ...  We call a caching proxy that uses media scaling techniques a quality-aware caching proxy. We see two forms of quality awareness: Quality reduction: The removal policy chooses videos in a web cache.  ... 
doi:10.1007/978-1-4615-4489-0_25 fatcat:2sz7bqne5bbddkrenacsomf7jm

Helping Hand or Hidden Hurdle: Proxy-Assisted HTTP-Based Adaptive Streaming Performance

Vengatanathan Krishnamoorthi, Niklas Carlsson, Derek Eager, Anirban Mahanti, Nahid Shahmehri
2013 2013 IEEE 21st International Symposium on Modelling, Analysis and Simulation of Computer and Telecommunication Systems  
HTTP-based Adaptive Streaming (HAS) has become a widely-used video delivery technology. Use of HTTP enables relatively easy firewall/NAT traversal and content caching.  ...  Second, we quantify the benefits using different proxyassisted solutions, including basic best effort policies and more advanced content quality aware prefetching policies.  ...  ACKNOWLEDGEMENTS This work was supported by funding from Center for Industrial Information Technology (CENIIT) and the Swedish National Graduate School in Computer Science (CUGS) at Linköping University  ... 
doi:10.1109/mascots.2013.26 dblp:conf/mascots/KrishnamoorthiCEMS13 fatcat:uc2aaefasjga5jp5fntc4glfza

Collaborative caching for efficient dissemination of personalized video streams in resource constrained environments

Suchendra M. Bhandarkar, Lakshmish Ramaswamy, Hari K. Devulapally
2013 Multimedia Systems  
In this paper we present the design and implementation of a distributed system, consisting of several geographically distributed video personalization servers and proxy caches, for efficient dissemination  ...  means for efficient dissemination of personalized video streams in resource constrained environments.  ...  Consequently, user demand for web-based and cellular services that entail transmission and rendering of streaming video to/on these devices has grown considerably.  ... 
doi:10.1007/s00530-012-0300-2 fatcat:7mgu4olikzdajkuzn4yslu7zia

Collaborative caching for efficient dissemination of personalized video streams in resource constrained environments

Suchendra Bhandarkar, Lakshmish Ramaswamy, Hari K. Devulapally
2012 Proceedings of the 3rd Multimedia Systems Conference on - MMSys '12  
In this paper we present the design and implementation of a distributed system, consisting of several geographically distributed video personalization servers and proxy caches, for efficient dissemination  ...  means for efficient dissemination of personalized video streams in resource constrained environments.  ...  Consequently, user demand for web-based and cellular services that entail transmission and rendering of streaming video to/on these devices has grown considerably.  ... 
doi:10.1145/2155555.2155585 dblp:conf/mmsys/BhandarkarRD12 fatcat:6n2vevcwrvfclknphq6dijszae

Methods to improve the efficiency of IPTV services

Alexey Borodinsky
2012 2012 11th Conference of Open Innovations Association (FRUCT)  
Transparent proxy caches collaborate providing distributed network storage and user interactivity, while offering an adequate end-to-end quality of experience.  ...  A prototype implementation of a diskless proxy cache is evaluated through performance measurements.  ...  At low cache sizes (<1 GB), the access network traffic due to the cache cooperation is relatively high.  ... 
doi:10.23919/fruct.2012.8253104 dblp:conf/fruct/Borodinsky12 fatcat:ubvdfix6z5grplzhkfw5qqmv7m

The disparity between P2P overlays and ISP underlays: issues, existing solutions, and challenges

Jie Dai, Fangming Liu, Bo Li
2010 IEEE Network  
Based on large-scale measurement studies involving millions of users, it has been shown that both P2P file sharing networks [3] and P2P video streaming topologies [4] exhibit the small-world effect.  ...  Recently, increasing efforts have been directed toward mitigating ISP costs from P2P applications while preserving the user perceived service quality.  ...  proxies Partial or global view Overlay Construction, Cache Proxy Deployment Cache-aware tree topology algorithm CoCache [12] 2008 √ General N/A Cache proxies, peering agreements  ... 
doi:10.1109/mnet.2010.5634441 fatcat:gbxs7h2yfbgf5hhlyiohgpq7vq

QoS- Continuous Live Media Streaming in Mobile Environment using VBR and Edge Network

V. Saravanan, C. Chandrasekar
2012 International Journal of Computer Applications  
General Terms Dynamic headlight pre-fetching, P2P media streaming, QoSaware adaptation, variable bit rate, caching system, traffic shaping Keywords QoS-aware adaptation, variable bit rate, caching system  ...  We propose a two level framework and a set of new techniques for cooperative media streaming in mobile environments.  ...  Dynamic chaining is for the cooperation among mobile users to maximize cache utilization and streaming benefit.  ... 
doi:10.5120/8426-2185 fatcat:pvzyguwaejhmbex24ktqvg4i5q

Survey on Caching and Replication Algorithm for Content Distribution in Peer to Peer Networks

C SriguruLakshmi, G Sivakumar, V Venkatachalam
2013 International Journal of Computer Science Engineering and Information Technology  
In this paper, we focuses on caching and replication algorithm for content distribution in peer to peer networks.  ...  Caching and replication is a key strategy for improve the reliability, availability, and performance in peer to peer networks.  ...  streaming the video server to client. 4.4 Popularity Aware Limited Caching for Reliable on Demand P2P video Streaming(PALC) 5] Existing System: Proxy based caching, Segment Based-proxy caching  ... 
doi:10.5121/ijcseit.2013.3503 fatcat:mecdixx4hvbt3ajtnmeqpwtwui

Design and analysis of a demand adaptive and locality aware streaming media server cluster

Zihui Ge, Ping Ji, Prashant Shenoy
2007 Multimedia Systems  
Streaming high quality audio and video to a myriad of clients imposes significant resource demands on the server.  ...  With the "last mile" network bandwidth no longer a constraint, the bottleneck for video streaming has been pushed closer to the server.  ...  Middleman is a cooperative set of video proxy servers that coordinate with one another to service streaming requests [2] .  ... 
doi:10.1007/s00530-007-0092-y fatcat:tem6rhqygfbgxnc46pswrw4zse

Offensive and defensive adaptation in distributed multimedia systems

Roland Tusch, László Böszörményi, Balázs Goldschmidt, Hermann Hellwagner, Peter Schojer
2004 Computer Science and Information Systems  
If a distributed multimedia system cares for overall, end-to-end quality of service then it should provide a meaningful combination of both.  ...  We introduce an intelligent video proxy (QBIX), which implements defensive adaptation. The cost/benefit measurements of QBIX are presented elsewhere [1].  ...  Defensive adaptation is applied for quality-aware cache replacement or when the client has restricted terminal capabilities.  ... 
doi:10.2298/csis0401045t fatcat:blmxaiykyrap7grurr7kzvqdhy

Mechanisms for QoE optimisation of Video Traffic: A review paper

Qahhar Muhammad Qadir
2015 International Journal of Information Communication Technology and Applications  
This increasing demand for video services has changed user expectation of quality. Various mechanisms have been proposed to optimise Quality of Experience (QoE) of end user's video.  ...  We discuss challenges facing the optimisation of QoE for video traffic in this paper. It surveys and classifies these mechanisms based on their functions.  ...  The proxy at the edge of a wireless network maximises the weighted sum of video qualities of different streams by iteratively allocating rate for each stream.  ... 
doi:10.17972/ajicta2015117 fatcat:hdytzsmaxzeidorftcprsmfu3y

MUVIS: Multi-source video streaming service over WLANs

Danjue Li, Chen-Nee Chuah, Gene Cheung, S. J. Ben Yoo
2005 Journal of Communications and Networks  
In this paper, we propose a multi-source video streaming (MUVIS) system to support high quality video streaming service over IEEE 802.11-based wireless networks.  ...  Simulation results show that our proposed multi-source streaming scheme has better performance than the traditional server-only streaming scheme and that proxy-based caching can potentially improve video  ...  The goal of this paper is to design a video streaming scheme that can be used to provide high quality video streaming service such as video-on-demand over WLAN.  ... 
doi:10.1109/jcn.2005.6387862 fatcat:i57dusrnrfft5cbgc6244qwc3q

OCS: An effective caching scheme for video streaming on overlay networks

Minh Tran, Wallapak Tavanapong, Wanida Putthividhya
2006 Multimedia tools and applications  
for video streaming applications.  ...  In this paper, we propose a novel collaboration scheme for video caching on overlay networks, called Overlay Caching Scheme (OCS), to further minimize service delays and loads placed on an overlay network  ...  The authors thank the anonymous reviewers for whose valuable comments helped improve the quality of this work.  ... 
doi:10.1007/s11042-006-0071-x fatcat:du6ldlb6xzh43m5u5xuzv2epni
« Previous Showing results 1 — 15 out of 1,542 results