NFV数据平面的网络性能优化技术

doi:10.11959/j.issn.1000-0801.2017088

Abstract

Abstract:

In recent years,network function virtualization (NFV) is arousing concern widely from both academia and industry due to its flexible deployment and low cost.However,the performance bottleneck becomes increasingly distinctive and hinders the progress of NFV technology.The major factors were studied which could seriously affect the performance of NFV data plane.Firstly,an analysis was conducted on the causes for various kinds of performance overheads.Then,the optimization solutions were summarized to mitigate these overheads.Finally,a brief introduction was made on two types of architecture,which could significantly improve the performance of NFV data plane.

Key words: network function virtualization, performance optimization, system architecture

CLC Number:

TP393

Yukai HUANG,Jinkun GENG,Ruilin LING,Dan LI. Performance optimization solutions for NFV data plane[J]. Telecommunications Science, 2017, 33(4): 65-70.

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开销类型	优化方法
网卡中断	轮询取代中断
内存复制	零复制
系统调用	用户态协议栈、批量处理
锁	资源本地化
上下文切换	高效虚拟化技术
文件系统管理	轻量级套接字
缓存未命中	资源本地化

Performance optimization solutions for NFV data plane

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