Enabling Efficient Service Function Chaining by Integrating NFV and SDN: Architecture, Challenges and Opportunities

Enabling Efficient Service Function Chaining by Integrating NFV and SDN: Architecture, Challenges and Opportunities
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通过集成 NFV 和 SDN 实现高效的服务功能链:架构、挑战和机遇

DOI:
10.1109/mnet.2018.1700467
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发表时间:
2018-08
期刊:
影响因子:
9.3
通讯作者:
Yunjie Liu
Yunjie Liu
中科院分区:
计算机科学2区
文献类型:
--
作者:
Jiao Zhang;Zenan Wang;Ma Ningning;Tao Huang;Yunjie Liu

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在传统网络中,网络功能(例如,防火墙、NAT、QoS)高度依赖于专用硬件。对于网络运营商来说,确定网络功能的顺序并将它们缝合在一起以创建针对最终用户的服务链是复杂且昂贵的,特别是随着最终用户和互联网服务的爆炸性增长。最近出现的NFV和SDN技术为服务功能链提供了好处,并降低了网络运营商的OPEX和CAPEX。本文提出了一种结合SDN和NFV构建服务链的典型框架,并对该领域的几个关键问题进行了描述,希望读者能及时了解当前的研究进展,为该领域的研究做出新的贡献。
In legacy networks, network functions (e.g., firewalls, NAT, QoS) are highly dependent on dedicated hardware. It is sophisticated and costly for network operators to determine the order of network functions and stitch them together to create service chains for end users, especially with the explosive growth of end-users and Internet services. The recent emergence of NFV and SDN technologies provide benefits for service function chaining and reduce OPEX and CAPEX for network operators. This article presents a typical framework to construct service chains by combining SDN and NFV, and describes several critical issues in this field, expecting readers to catch current research progress and make their new contributions in this field.
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