,An Integrated Broadband Switching System with Narrowband Service Support

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It is considered that ATM is not suitable for traditional narrowband services such as voice because of large adapting delay. In this paper,we present an ATM-based broadband switching system, which is capable of supporting narrowband services. A composite cell adapting method is adopted in this system to reduce adapting delay and guarantee QoS (Quality of Service). In the realized system, several key parameters have been measured. The results prove that it can guarantee perfect QoS and relative high bandwidth efficiency.
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