An ATM network test bench over a C-band satellite system

2003 Symposium on Applications and the Internet Workshops, 2003. Proceedings. Pub Date : 2003-01-27 DOI:10.1109/SAINTW.2003.1210120

Seow S. Lim, Y. K. Pang, H. S. Cheng, Y. M. Loh

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Abstract

Asynchronous transfer mode (ATM) is widely used by many organizations to connect to a wide area network (WAN). ATM supports data, video, and voice simultaneously while providing reasonable quality of service (QoS) as well as flexible management of data traffic. This paper describes "ATM Via Satellite", a SingAREN funded project under the Singapore Broadband 21 Scheme. It was an attempt to implement a satellite ATM network in order to demonstrate the feasibility of implementing ATM over satellite links and to study the level of performance at the application level. The system's performance was analyzed under various link conditions and at different levels of forward error correction. The network consists of a 2.048 Mbps bi-directional geostationary satellite link, two 2.4 m satellite dishes, two satellite modems with G.703 data interface cards and Reed-Solomon modules, and one Cisco Catalyst 7500 ATM switch which connect SingAREN to Temasek Engineering School (where the satellite dishes are located) via the Singapore ONE Broadband Network. The tests showed that it was entirely feasible to implement ATM over satellite links. This paper also discusses the issues involved in the design and implementation of a Satellite ATM network.

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基于c波段卫星系统的ATM网络试验台

异步传输模式(ATM)被许多组织广泛用于连接到广域网(WAN)。ATM同时支持数据、视频和语音，同时提供合理的QoS (quality service)和灵活的数据流量管理。本文介绍了新加坡宽带21计划下由SingAREN资助的“ATM Via Satellite”项目。为了证明在卫星链路上实现ATM的可行性，并研究应用层的性能水平，尝试实现卫星ATM网络。分析了系统在不同链路条件下和不同前向纠错水平下的性能。该网络包括一条2.048 Mbps的双向地球同步卫星链路，两个2.4米的卫星天线，两个带有G.703数据接口卡和里德-所罗门模块的卫星调制解调器，以及一个思科Catalyst 7500 ATM交换机，该交换机通过新加坡一号宽带网将SingAREN与淡马锡工程学院(卫星天线所在的地方)连接起来。试验表明，在卫星链路上实现ATM是完全可行的。本文还讨论了卫星ATM网络设计与实现中涉及的问题。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2003 Symposium on Applications and the Internet Workshops, 2003. Proceedings.

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