Periodic broadcast and patching services

Bradshaw, Michael K.; Wang, Bing; Gao, Lixin; Kurose, Jim; Shenoy, Prashant; Towsley, Don; Sen, Subhabrata

doi:10.1145/500182.500184

Cited by 3 publications

(1 citation statement)

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“…Delay refers as the waiting time taken for client to watch video upon requested. There are various factors that contribute to the long delay in MANET based VOD system and one of them is due to a data broadcasting protocol [1,5] used in the system. In MANET based VOD system, the video server employs staggered broadcasting protocol to disseminate video from video server to mobile clients.…”

Section: Introductionmentioning

confidence: 99%

Caching Scheme for Handheld Device in Mobile Video-on-Demand System

Sumari

Rahiman

2010

2010 Seventh International Conference on Computer Graphics, Imaging and Visualization

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Mobile Video on demand (VOD) system is that allows mobile clients to browse and watch videos anywhere and anytime. In this system, the video server employs staggered broadcasting protocol to disseminate video to mobile clients within the MANET environment. In this protocol, video is divided into small segments and are repeatedly broadcasted within server's channel in periodic basis. Clients can join any of the channels to receive the segments and begin to watch the video. The drawback of periodic broadcasting is it leads mobile clients to have a long waiting time (range in several minutes) due to the issue of channel transitions period. In this paper we focus on reducing the waiting time by proposing two caching schemes. This paper proposed first, a Neighbour-based caching scheme allows clients to get help from neighbour's buffer for the playback, and a Relay-based caching scheme uses middle clients to relay the video from client to another client. Simulation shows that our two caching schemes can reduce clients delay tremendously in comparison with the case of no caching scheme.

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Section: Introductionmentioning

confidence: 99%

Caching Scheme for Handheld Device in Mobile Video-on-Demand System

Sumari

Rahiman

2010

2010 Seventh International Conference on Computer Graphics, Imaging and Visualization

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A Synthetic Streaming Quality Measurement System on IP Networks

Yin

Shi

et al. 2007

2007 15th IEEE International Conference on Networks

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Abstract-Streaming media services, including both audio and video applications, have been widely used on corporation and public IP networks. To quantify the quality of these streaming services on the specific network, it is necessary to execute actual measurement activities and analyze the results, so the design and implementation of appropriate streaming measurement systems is very critical. For this reason, this paper proposes a synthetic streaming quality measurement system, which can support the assessment of both audio and video services, generate representative traffic in various ways, simultaneously transmit multiple different kinds of streaming media flows at distributed nodes on the measured IP network, and analyze the streaming quality using both network and user level metrics.

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