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Title: Simulation Study on Multi-hop Jitter Behavior in Integrated ATM Network with CATV and Internet
Authors: Adachi, Naotoshi
Kasahara, Shoji
Takahashi, Yutaka
アダチ, ナオトシ
カサハラ, ショウジ
タカハシ, ユタカ
安達, 直世
笠原, 正治
高橋, 豊
Issue Date: Apr-1998
Publisher: Nara Institute of Science and Technology
Series/Report no.: Information Science Technical Report ~ TR98003
Abstract: The project of interconnecting CATV in Hyogo Prefecture, Japan has started since March, 1998. In this project, there are three CATV companies in Hanshin area; Kobe, Nishinomiya and Amagasaki. An ATM switch is equipped in each company and these CATVs are connected serially in the above order. Each company provides the video service to the rest of companies using the MPEG2 over ATM. Each MPEG2 stream is sent to the other two CATV companies according to the function of multicast implemented in ATM switch. In the coverage of each CATV, subscribers utilize Internet connection using cable modems as well as standard CATV broadcasting service. In this paper, we present the outline of the research project in Hyogo Prefecture, Japan, and examine the jitter processes of MPEG streams of the testbed network by the simulation. In our testbed network, cells with two types of requirement for QoS are multiplexed; cells for MPEG2 which require the realtime transmission and those for Internet packets which are much more sensitive for the cell loss ratio. We investigate the jitter processes under some scenarios and show how the jitter process is affected by the Internet traffic and the other cell streams of MPEG2. Furthermore, we study the effect of the number of ATM switches on the jitter process when more CATV networks are added serially.
ISSN: 0919-9527
Text Version: author
Appears in Collections:テクニカルレポート / Technical Report

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