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Design and analysis of virtual bus transport using synchronous digital hierarchy/synchronous optical networking

Hassan, R. and Irvine, J. and Glover, I.A. (2008) Design and analysis of virtual bus transport using synchronous digital hierarchy/synchronous optical networking. Journal of Computer Science, 4 (12). pp. 1003-1011. ISSN 1549-3636

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Abstract

This study presented a new data link layer design for the virtual bus architecture. The virtual bus is a hierarchical access network offered a broadcast capability for data and signaling. The proposed of the study is to support Quality of Service (QoS) in network. During study, the most promising technology capable of delivering full service access at high data rates is Synchronous Digital Hierarchy (SDH)/Synchronous Optical Networking (SONET). For that reason, we develop SDH/SONET as a physical layer for the virtual bus network. The main goal of this investigation was to study the performance of transmission medium and the overall performance of the network. We exemplify a Multiple Access Protocol (MAP) with Generic Frame Procedure (GFP) for transmitting IP network protocol datagram over SDH/SONET. This is a novel method for transmitting MAP with GFP. The protocol adds multi-terminal access capability to an inherently point-to-point link. It enabled the design of seamless networking environments using SDH/SONET as the transmission medium for Metropolitan Area Network (MAN). The new frame mapping protocol is known as Virtual Bus Transport (VBT). The performance of multiple traffic generators in a virtual bus network is of major interest for mobile network provider. We used OMNeT simulation tool to evaluate the result. Through the simulation it proved that the VBT scheduling technique offers better treatment mainly to the higher Qos requirement traffic. (16 refs.)