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Program caching and multicasting techniques in VoD networks

  • Conference paper
  • First Online:
Interactive Distributed Multimedia Systems and Telecommunication Services (IDMS 1997)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 1309))

  • 104 Accesses

Abstract

This paper analyses a tree hierarchical network architecture employing pooled cache memories and multicasting network capability to deliver Interactive Video on Demand (I-VoD) services. The cache memories are located close to the customer and are able to store segments of the most popular programs in a dynamic way. They can reduce both transmission bandwidth and storage capacity required in the network, thus reinforcing the substantial network resource savings achievable through the multicasting feature allowed in the ATM switches. In the present paper, we analyse this type of VoD network with the aim to provide optimal dimensioning of the cache memories and to evaluate the load reduction produced in the servers and in the links as a function of the main system parameters (cache memory dimensions, number and popularity of programs, number of user clusters involved, etc.).

Work carried out in the framework of the agreement between Telecom Italia and Fondazione Ugo Bordoni

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Ralf Steinmetz Lars C. Wolf

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© 1997 Springer-Verlag Berlin Heidelberg

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Dammicco, G., Mocci, U. (1997). Program caching and multicasting techniques in VoD networks. In: Steinmetz, R., Wolf, L.C. (eds) Interactive Distributed Multimedia Systems and Telecommunication Services. IDMS 1997. Lecture Notes in Computer Science, vol 1309. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0000340

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  • DOI: https://doi.org/10.1007/BFb0000340

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-63519-2

  • Online ISBN: 978-3-540-69590-5

  • eBook Packages: Springer Book Archive

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