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A QoS-Aware Service Bus with WSLA-Based Monitor for Media Production Systems
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Author(s): Ing-Yi Chen (National Taipei University of Technology, Taiwan), Guo-Kai Ni (National Taipei University of Technology, Taiwan)and Rich C. Lee (National Taipei University of Technology, Taiwan)
Copyright: 2012
Pages: 20
Source title:
Service Life Cycle Tools and Technologies: Methods, Trends and Advances
Source Author(s)/Editor(s): Jonathan Lee (National Central University, Taiwan), Shang-Pin Ma (National Taiwan Ocean University, Taiwan)and Alan Liu (National Chung Cheng University, Taiwan)
DOI: 10.4018/978-1-61350-159-7.ch005
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Abstract
The past few years have seen a dramatic rise in the distribution channels available to media companies. While media companies once distributed their programming through one or two mediums, such as TV broadcasts and video tapes, the same programming is now also distributed through additional mediums such as the Internet and mobile phones. In consequence, media companies are faced with increasingly complex problems associated with translating one piece of programming into multiple formats for distribution. As a result, the IT systems of these companies are now required to handle both new content formats and to ensure that content is simultaneously and successfully prepared in order to meet scheduling and distribution requirements for multiple delivery pathways. This paper describes a solution that was developed to address this problem. It consists of a media asset management system that is used to support media content production and distribution. In addition, this work implements service oriented architecture (SOA) that relies on an enhanced enterprise service bus (ESB). This enhanced ESB, referred to here as a QoS-Aware service bus (QASB), makes it possible to designate which of the available transcoding servers will perform a required task, thus providing a service selection scheme that improves the efficiency of media content production and distribution processes. This system was implemented at Taiwan’s Public Television Service (PTS) in January 2010 and is currently providing complete support to the company’s daily operations. Since implementation, this automated process has increase the average number of transcoding jobs completed daily from 500 to 700 – and increase of 40 percent. This increased productivity has in turn resulted in a decrease in the amount of time staff must wait for jobs to be completed to 3-5 days from a pre-QASB time of 7-10 days.
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