网络虚拟化趋势:通过连接未连接的网络,几乎一切皆有可能

E. Patouni, A. Merentitis, P. Panagiotopoulos, Aristotelis Glentis, N. Alonistioti
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引用次数: 15

摘要

现有网络中数量庞大且种类不断增加的专有硬件设备给它们的管理和新网络服务的推出带来了巨大的困难。这与核心网络部分的大量需求有关,例如能源成本、资本投资挑战以及设计、集成和操作日益复杂的基于硬件的设备所需的技能。在最终用户端,物联网的发展将使连接数量再增加一个数量级(目前连接的“物”约为100亿),在网络可扩展性、资源效率和隐私考虑方面带来前所未有的挑战。本文在网络功能虚拟化的棱镜下解决了之前的挑战,重点关注以下用例:软件定义网络控制的无线集成服务、虚拟蜂窝管理和传感器网络虚拟化。我们将讨论虚拟化的不同方面如何缓解或解决其中的一些挑战,并在核心网络和最终用户端作为实现颠覆性网络范例的催化剂。
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Network Virtualisation Trends: Virtually Anything Is Possible by Connecting the Unconnected
The large and increasing variety of proprietary hardware appliances in existing networks poses great difficulties in both their management and the launch of new network services. This is related to a plethora of requirements at the core network part such as energy costs, capital investment challenges and skills necessary to design, integrate and operate increasingly complex hardware- based appliances. At the end user side, the evolution of the Internet of Things envisions to increase the number of connections by yet another order of magnitude (from ~10 billion currently connected "Things"), bringing unprecedented challenges in network scalability, resource efficiency, and privacy considerations. This paper tackles the previous challenges under the prism of network function virtualization focusing on the following use cases: Software Defined Networking controlled wireless integration service, virtual cell management, and sensor networks virtualization. We discuss how the different facets of Virtualization promise to alleviate or resolve some of these challenges, acting as a catalyst for the realization of disruptive networking paradigms, both in the core network and in the end-user side.
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An SDN-Based Network Architecture for Extremely Dense Wireless Networks Scalable On-Demand Network Management Module for Software Defined Telecommunication Networks Research Directions in Network Service Chaining SDN for Inter Cloud Networking Network Virtualisation Trends: Virtually Anything Is Possible by Connecting the Unconnected
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