SHDSL technology complementing other transport technologies

The IEEE Region 8 EUROCON 2003. Computer as a Tool. Pub Date : 2003-12-03 DOI:10.1109/EURCON.2003.1248016

M. Rup, R. Sernec, R. Vodisek, E. Sljivar

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Abstract

We describe SHDSL modem application domains according to area network types that carry data. SHDSL modem is described and its use in transcoding applications to interconnect different interfaces. In its most basic form, each interface is transported over the same area network it was designed for (E1 - PDH, X.21 and datacom - X.25, Ethernet - LAN). We show that these interface types can be mixed and matched to different network types by using transcoding properties of the described SHDSL modem. Furthermore, it can be used as a speed adaptation unit, where interconnecting interfaces operate at different data rates. E1 links can be carried over SDH backbone and stretched via SHDSL to remote end. In similar application, modem can be successfully used in reusing current E1-SDH PVCs to carry transparently Ethernet or X.21 traffic. Both ways of transmission are completely independent to achieve minimal transport delays. Applications include use of existing telecommunication infrastructure for providing various symmetrical two-way data services as video-on-demand, videoconferences, remote education, etc.

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SHDSL技术补充了其他传输技术

我们根据承载数据的局域网类型描述了SHDSL调制解调器的应用领域。描述了SHDSL调制解调器及其在转码应用中实现不同接口互连的应用。在其最基本的形式中，每个接口都在其设计的相同区域网络上传输(E1 - PDH, X.21和数据通信- X.25，以太网- LAN)。通过使用所描述的SHDSL调制解调器的转码属性，可以将这些接口类型混合并匹配到不同的网络类型。此外，它可以用作速度适应单元，其中互连接口以不同的数据速率运行。E1链路可以通过SDH骨干网传输，并通过SHDSL延伸到远端。在类似的应用中，调制解调器可以成功地重复使用现有的E1-SDH pvc来传输透明的以太网或X.21流量。两种传输方式是完全独立的，以实现最小的传输延迟。应用包括利用现有电讯基础设施提供各种对称的双向数据服务，如视讯点播、视讯会议、远程教育等。

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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The IEEE Region 8 EUROCON 2003. Computer as a Tool.

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