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A study on ATM Switch supporting AAL Type 2 Cell processing  

Park, Noh-Sik (한신대학교 정보통신학과)
Sonh, Seung-Il (한신대학교 정보통신학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.28, no.3B, 2003 , pp. 209-216 More about this Journal
Abstract
In this paper, we propose ATM switch structure including AAL type 2 switch which can efficiently transmit low-bit rate data, even if the network has many endpoints. We simulate the architecture of ATM switch fabric that is modeled in computer program and analyze the performance according to offered loads. ATM switch proposed in this paper can support cell switching for all types of AAL cells which consist of AAL type 1, AAL type 2, AAL type 3/4, and AAL type 5 cells. We propose two switch fabric methods; One supports the AAL type 2 cell processing per input port, the other global AAL type 2 cell processing for every input port. The simulation results show that the latter is superior to the former. But the former has a merit for easy implementation and extensibility. The proposed ATM switch fabric is widely applicable to mobile communication, narrow band services over ATM network and wireless ATM as well as general ATM switching fabric.
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