A Performance Study on Frame Relay and ATM Interworking Unit and Its Applicaitons: Connectionless Data service and VPN
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- LEE Bih-Hwang
- the Faculty of Dapartment of Electrical Engineering, National Taiwan Institute of Technology
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- YU Sheng-Wang
- the Faculty of Dapartment of Electrical Engineering, National Taiwan Institute of Technology
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The interworking between high speed networks is receiving more attention recently. Among them, Frame Relay/Asynchronous Transfer Mode (FR/ATM) interworking is foreseen in the near future to provide seamless service across geographic areas. In the heterogeneous network interworking environment, an interworking function facility called the interworking unit (IWU) is generally interposed between these networks to perform the essential protocol conversion. As an intermediate network component, IWU will have great influence on network performance in terms of data latency. The performance issues of IWU are identified and addressed in this paper. These issues include frame processing schemes, frame shaping schemes, and cell processing schemes. The cell processing performance issues are further investigated via simulation experiments. Connectionless (CL) data service is also expected to be one of the most important applications for FR/ATM interworking. Some alternative methods for providing CL service over FR and ATM are described. We propose an enhanced protocol stack in the IWU to interoperate with the ATM network which uses the direct method to provide CL service. To provide VPN service, we propose a feasible VPN communication structure based on the FR and ATM network interworking.
収録刊行物
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- IEICE transactions on communications
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IEICE transactions on communications 80 (6), 948-962, 1997-06-25
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詳細情報 詳細情報について
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- CRID
- 1572543027348106496
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- NII論文ID
- 110003217896
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- NII書誌ID
- AA10826261
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- ISSN
- 09168516
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- 本文言語コード
- en
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- データソース種別
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- CiNii Articles