A1000 S12 evolution to broadband: driving factors and strategy

M. Hoefman, H. Peeters
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Abstract

Asynchronous transfer mode (ATM) products are introduced in today's telecom network at several places. Network operators are confronted with the difficult problem of how to organize the cohabitation of the new broadband network elements with the existing traditional network elements offering speech and data services. Basically, there are two network options to this problem. A first solution is to adopt an overlay solution, thereby creating a separate broadband network and providing the necessary interfaces and service interworking functions towards the existing speech and data networks. A second solution exists in the extension of the existing investments to accommodate in an integrated way both broadband and narrowband services and proper interworking functions. The second method is proposed as the selected evolution scenario for the existing A1000 S12 narrowband exchanges. An overview of the basic steps in the evolution scenario is presented and the benefits of this approach compared to an overlay solution are discussed.
a1000s12向宽带演进:驱动因素和策略
异步传输模式(ATM)产品在当今的电信网络中得到了广泛的应用。如何组织新型宽带网元与现有提供语音和数据业务的传统网元共存,是网络运营商面临的难题。基本上,这个问题有两个网络选项。第一种解决方案是采用覆盖解决方案,从而创建一个单独的宽带网络,并为现有的语音和数据网络提供必要的接口和业务互通功能。第二种解决办法是扩大现有投资,以综合方式容纳宽带和窄带业务以及适当的互联功能。提出第二种方法作为现有A1000 S12窄带交换机的选择演进场景。本文概述了演进场景中的基本步骤,并讨论了与覆盖解决方案相比,这种方法的优点。
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