网络虚拟化的问题与挑战

Nikheel Tashvin Seechurn, A. Mungur, Sheeba Armoogum, S. Pudaruth
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引用次数: 3

摘要

近年来,网络虚拟化作为一种相对较新的、主要的网络范式,引起了研究人员的极大兴趣。这在IT行业中得到了反映,许多虚拟化解决方案被标榜为革命性的,并被企业购买以利用这些承诺的性能。相反,有一些缺点,如安全性,隔离性和其他已经承认的网络虚拟化。在本研究中,对不同的最先进的虚拟化技术进行了调查,解决了它们的问题和挑战,此外,还提出了一个典型的网络虚拟化环境(NVE)的指导方针。对有选择地挑选的研究论文和技术报告进行了系统的审查。此外,还对不同的网络虚拟化技术进行了比较研究,这些技术包括安全性、隔离性、稳定性、收敛性、支出、可伸缩性、健壮性、可管理性、资源管理、可编程性、灵活性、异质性、遗留支持和易于部署等特性。虚拟化技术包括VPN (Virtual Private Network)、VLAN (Virtual Local Area Network)、VXLAN (Virtual Extensible Local Area Network)、SDN (Software Defined Networking)和NFV (Network Function virtualization)。最后,结果显示了创建理想网络虚拟化模型的差距,可以使用这些作为基准来规避。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Issues and Challenges for Network Virtualisation
In recent years, network virtualisation has been of great interest to researchers, being a relatively new and major paradigm in networking. This has been reflected in the IT industry where many virtualisation solutions are being marketed as revolutionary and purchased by enterprises to exploit these promised performances. Adversely, there are certain drawbacks like security, isolation and others that have conceded the network virtualisation. In this study, an investigation of the different state-of-the-art virtualisation technologies, their issues and challenges are addressed and besides, a guideline for a quintessential Network Virtualisation Environment (NVE) is been proposed. A systematic review was effectuated on selectively picked research papers and technical reports. Moreover a comparative study is performed on different Network Virtualisation technologies which include features like security, isolation, stability, convergence, outlay, scalability, robustness, manageability, resource management, programmability, flexibility, heterogeneity, legacy Support, and ease of deployment. The virtualisation technologies comprise Virtual Private Network (VPN), Virtual Local Area Network (VLAN), Virtual Extensible Local Area Network (VXLAN), Software Defined Networking (SDN) and Network Function Virtualisation (NFV). Conclusively the results exhibited the disparity as to the gaps of creating an ideal network virtualisation model which can be circumvented using these as a benchmark.
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