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首页> 外文期刊>Network and Service Management, IEEE Transactions on >A Survey on Service-Oriented Network Virtualization Toward Convergence of Networking and Cloud Computing
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A Survey on Service-Oriented Network Virtualization Toward Convergence of Networking and Cloud Computing

机译：面向服务的网络虚拟化走向网络与云计算融合的研究

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摘要

The crucial role that networking plays in Cloud computing calls for a holistic vision that allows combined control, management, and optimization of both networking and computing resources in a Cloud environment, which leads to a convergence of networking and Cloud computing. Network virtualization is being adopted in both telecommunications and the Internet as a key attribute for the next generation networking. Virtualization, as a potential enabler of profound changes in both communications and computing domains, is expected to bridge the gap between these two fields. Service-Oriented Architecture (SOA), when applied in network virtualization, enables a Network-as-a-Service (NaaS) paradigm that may greatly facilitate the convergence of networking and Cloud computing. Recently the application of SOA in network virtualization has attracted extensive interest from both academia and industry. Although numerous relevant research works have been published, they are currently scattered across multiple fields in the literature, including telecommunications, computer networking, Web services, and Cloud computing. In this article we present a comprehensive survey on the latest developments in service-oriented network virtualization for supporting Cloud computing, particularly from a perspective of network and Cloud convergence through NaaS. Specifically, we first introduce the SOA principle and review recent research progress on applying SOA to support network virtualization in both telecommunications and the Internet. Then we present a framework of network-Cloud convergence based on service-oriented network virtualization and give a survey on key technologies for realizing NaaS, mainly focusing on state of the art of network service description, discovery, and composition. We also discuss the challenges brought in by network-Cloud convergence to these technologies and research opportunities available in these areas, with a hope to arouse the research community's interest - n this emerging interdisciplinary field.
机译：网络在云计算中扮演的关键角色需要一个整体的愿景，该愿景允许在云环境中对网络和计算资源进行组合的控制，管理和优化，从而实现网络和云计算的融合。网络虚拟化已在电信和Internet中用作下一代网络的关键属性。虚拟化作为在通信和计算领域发生深刻变化的潜在推动者，有望弥合这两个领域之间的鸿沟。面向服务的体系结构（SOA）在网络虚拟化中应用时，可以实现网络即服务（NaaS）范式，该范式可以极大地促进网络与云计算的融合。最近，SOA在网络虚拟化中的应用引起了学术界和工业界的广泛兴趣。尽管已经发表了大量相关研究成果，但它们目前散布在文献中的多个领域，包括电信，计算机网络，Web服务和云计算。在本文中，我们将针对支持云计算的面向服务的网络虚拟化的最新发展进行全面的调查，特别是从通过NaaS进行网络和云融合的角度。具体来说，我们首先介绍SOA原理，并回顾一下在电信和Internet中应用SOA支持网络虚拟化的最新研究进展。然后，我们提出了一种基于面向服务的网络虚拟化的网络-云融合框架，并对实现NaaS的关键技术进行了调查，主要侧重于网络服务描述，发现和组合的最新技术水平。我们还将讨论网络云融合给这些技术带来的挑战以及这些领域中的可用研究机会，以期引起研究界的兴趣-在这个新兴的跨学科领域。

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