A compatible ISDN gateway for broadband metropolitan area networks

IEEE INFOCOM '89, Proceedings of the Eighth Annual Joint Conference of the IEEE Computer and Communications Societies Pub Date : 1989-04-23 DOI:10.1109/INFCOM.1989.101530

T. D. Todd

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Abstract

A novel gateway design (referred to as T-SWIFT) is presented for integrating the flow of voice streams into existing broadband cable systems. The interface between the integrated voice subnetwork and the cable system is realized by a metropolitan area gateway (MAG) which is implemented at the broadband cable head-end. In T-SWIFT, an intelligent scheduling algorithm in the MAG dynamically allocates channel bandwidth using a variation of the data switch-filtering and fixed-frame synchronous voice/data integration techniques introduced by the author (see IEEE J. Selected Areas in Commun. vol., SAC-5, no.9, p.1391-1402 (1987)). The MAG accomplishes this by coordinating the transmission of inbound and outbound voice talkspurts in an upwardly compatible fashion with respect to the existing CSMA/CD data stations. Thus previously installed stations require no modification. Results are presented which indicate that the T-SWIFT design performs significantly better than previous compatible voice/data integration methods.<>

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一个兼容的ISDN网关宽带城域网

提出了一种新的网关设计(称为T-SWIFT)，用于将语音流集成到现有的宽带电缆系统中。综合话音子网与有线电视系统之间的接口由城域网网关(MAG)实现，城域网网关位于宽带有线电视前端。在T-SWIFT中，MAG中的智能调度算法使用作者介绍的数据开关滤波和固定帧同步语音/数据集成技术的变体(参见IEEE J. Selected Areas In common)动态分配信道带宽。卷，SAC-5, no。9，第1391-1402页(1987))。MAG通过与现有的CSMA/CD数据站以向上兼容的方式协调入站和出站语音通话的传输来实现这一点。因此，以前安装的台站不需要修改。结果表明，T-SWIFT设计的性能明显优于以前兼容的语音/数据集成方法。

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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IEEE INFOCOM '89, Proceedings of the Eighth Annual Joint Conference of the IEEE Computer and Communications Societies

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