A Study on Traffic Analysis and Hierarchical Program Allocation for Distributed VOD System


The Transactions of the Korea Information Processing Society (1994 ~ 2000), Vol. 4, No. 8, pp. 2080-2091, Aug. 1997
10.3745/KIPSTE.1997.4.8.2080,   PDF Download:

Abstract

It is generally recognized that Video On Demand (VOD) service will become a promising interactive service in the emerging broadband integrated services digital networks. A centralized VOD system, all programs are stored in a single VOD server which is linked to each user via exchanges, is applicable when a small number of users enjoys the VOD service. However, in case of large service penetration, it is very important to solve the problems of bandwidth and load concentrating in the central video server(CVS) and program transmission network. In this paper, the architecture of the video distribution service network is studied, then a traffic characteristics and models for VOD system are established, and proposed program allocation method to video servers. For this purpose, we present an analysis of program storage amount in each LVS(Local Video Server), transmission traffic volume between LVSs, and link traffic volume between CVS and LVSs, according to changing the related factors such as demand, the number of LVS, vision probability, etc. A method for finding out storage capacity in LVSs is also presented on the basis of the tradeoffs among program storage cost, link traffic cost, and transmission cost.


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Cite this article
[IEEE Style]
L. T. Hoon and K. Y. Deak, "A Study on Traffic Analysis and Hierarchical Program Allocation for Distributed VOD System," The Transactions of the Korea Information Processing Society (1994 ~ 2000), vol. 4, no. 8, pp. 2080-2091, 1997. DOI: 10.3745/KIPSTE.1997.4.8.2080.

[ACM Style]
Lee Tae Hoon and Kim Yong Deak. 1997. A Study on Traffic Analysis and Hierarchical Program Allocation for Distributed VOD System. The Transactions of the Korea Information Processing Society (1994 ~ 2000), 4, 8, (1997), 2080-2091. DOI: 10.3745/KIPSTE.1997.4.8.2080.