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Columbia's VoD and Multimedia Research Testbed with Heterogeneous Network Support

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dc.contributor.author Chang, S-F en
dc.contributor.author Eleftheriadis, A en
dc.contributor.author Anastassiou, D en
dc.contributor.author Jacobs, S en
dc.contributor.author Kalva, H en
dc.contributor.author Zamora, J en
dc.date.accessioned 2014-03-01T01:45:54Z
dc.date.available 2014-03-01T01:45:54Z
dc.date.issued 1997 en
dc.identifier.issn 13807501 en
dc.identifier.uri http://hdl.handle.net/123456789/24783
dc.relation.uri http://www.scopus.com/inward/record.url?eid=2-s2.0-0031236855&partnerID=40&md5=1573cb81ac851e979013c7e5552e2862 en
dc.subject Interactive video en
dc.subject Internet video en
dc.subject MPEG-2 video over ATM en
dc.subject Video interoperability en
dc.subject Video on demand en
dc.subject Video servers en
dc.subject.other Asynchronous transfer mode en
dc.subject.other Computer hardware en
dc.subject.other Computer software en
dc.subject.other Decoding en
dc.subject.other Image communication systems en
dc.subject.other Image compression en
dc.subject.other Network protocols en
dc.subject.other Interactive video en
dc.subject.other Internet video en
dc.subject.other Video interoperability en
dc.subject.other Video on demand en
dc.subject.other Video server en
dc.subject.other Voice/data communication systems en
dc.title Columbia's VoD and Multimedia Research Testbed with Heterogeneous Network Support en
heal.type journalArticle en
heal.publicationDate 1997 en
heal.abstract This paper reports our progress in developing an advanced video-on-demand (VoD) testbed, which will be used to accommodate various multimedia research and applications such as Electronic News on Demand, Columbia's Video Course Network, and Digital Libraries. The testbed supports delivery of MPEG-2 audio/video stored as transport streams over various types of networks, e.g., ATM, Ethernet, and wireless. Both software and hardware video encoders/decoders are used in the testbed. A real-time video pump and a distributed application control protocol (MPEG-2's DSM-CC) have been incorporated. Hardware decoders and set-tops are being used to test wide-area video interoperability. Our VoD testbed also provides an advanced platform for implementing proof-of-concept prototypes of related research. Our current research focus covers video transmission with heterogeneous quality-of-service (QoS) provision, variable bitrate (VBR) traffic modeling, VBR server scheduling, video over Internet, and video transmission over IP-ATM hybrid networks. An important aim is to enhance interoperability. Accommodation of practical multimedia applications and interoperability testing with external VoD systems has also been undertaken. en
heal.journalName Multimedia Tools and Applications en
dc.identifier.volume 5 en
dc.identifier.issue 2 en
dc.identifier.spage 171 en
dc.identifier.epage 184 en


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