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Implementation of a SDN (Software Defined Network)

机译：SDN（软件定义网络）的实现

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Improving resource efficiency, enhancing network security and achieving simpler network management have become the main goals for networking in the previous years. To accomplish these ideas, an efficient routing, traffic monitoring, access control and server load balancing systems need to be designed. However, these objectives make the optimization and management of networks rather difficult. In this paper, Software Defined Networks (SDN) an alternative way for creating an optimized network by taking into account the difficulties met today is introduced. Software Defined Networks provide the separation of control and data planes for the switches which allows programming for a customized control plane. With simplified network management through SDN, it can be possible to dynamically adjust the behavior of the network equipment independently from equipment manufacturers. New mechanisms with new potential benefits can easily be explored and used. Quality of Service and network security problems can be solved rapidly. In this paper, it is described how to build a virtualized SDN in order to show the benefits of SDN over a distributed network. Virtualization can provide deployment and delivery flexibility, cost savings and improved user experience.
机译：近年来，提高资源效率，增强网络安全性和实现更简单的网络管理已成为联网的主要目标。为了实现这些想法，需要设计一种有效的路由，流量监控，访问控制和服务器负载平衡系统。但是，这些目标使网络的优化和管理相当困难。在本文中，介绍了软件定义网络（SDN），它通过考虑当今遇到的困难来创建优化网络的替代方法。软件定义的网络为交换机提供了控制平面和数据平面的分离，从而允许对定制的控制平面进行编程。通过SDN简化的网络管理，可以独立于设备制造商动态地调整网络设备的行为。具有新的潜在利益的新机制可以轻松地探索和使用。服务质量和网络安全问题可以迅速得到解决。在本文中，描述了如何构建虚拟化的SDN，以展示SDN在分布式网络上的优势。虚拟化可以提供部署和交付灵活性，节省成本并改善用户体验。

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