Smart City Renovation using SDN Framework

M. Priyadarsini, Pooja Mittal, P. Bera
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Abstract

Research and development in different technical dimensions of smart city has been a key challenge. It requires successful renovation with suitable technology and innovative design models while sharing knowledge and amenity to the society. Satellite communication plays an important role in providing accurate and timely information to the user nodes present in the community. Software-defined networking (SDN) has been evolved as an emerging platform in the last decade and solves various challenges faced by traditional network used in satellite communication. In this paper, we present an SDN deployed design framework for traffic management and weather forecasting in smart city environment. Our design framework is integrated into the ground stations and consists of four modules, namely; data retrieval, computation, verification, and information circulation. These modules coordinate with each other along with the satellites, and user nodes. The accuracy of the proposed framework is verified using a Z3 constraint solver. Also, the performance is compared with TCP/IP network and existing GPS systems. The results show 98% accurate message detection, 38% enhancement in throughput, and approximately 25ms delay in delivering the messages to the user devices.
基于SDN框架的智慧城市改造
智慧城市在不同技术维度上的研发一直是一个关键的挑战。它需要用合适的技术和创新的设计模式进行成功的改造,同时与社会分享知识和舒适性。卫星通信在向社区中的用户节点提供准确和及时的信息方面发挥着重要作用。软件定义网络(SDN)是近十年来发展起来的一个新兴平台,它解决了传统卫星通信网络面临的各种挑战。本文提出了一种用于智慧城市环境下交通管理和天气预报的SDN部署设计框架。我们的设计框架集成到地面站中,由四个模块组成,即;数据检索、计算、验证和信息流通。这些模块与卫星和用户节点一起相互协调。使用Z3约束求解器验证了所提框架的准确性。并与TCP/IP网络和现有GPS系统进行了性能比较。结果表明,消息检测准确率为98%,吞吐量提高38%,将消息传递到用户设备的延迟约为25ms。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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