面向服务定制的未来网络架构

摘要

The rapid development of Internet service has been promoting the progress of network technology.However,the new services,such as 4K/8K video,augmented reality and automatic drive have been emerging to meet new demands in recent years.In the face of these new demands,current network architecture has exposed many problems.This paper proposed the future network architecture,named service customized networking (SCN).SCN provisions differentiated end-toend QoS by realizing network slicing based on SDN/NFV technology.Moreover,SCN allocates differentiated cache resource in the substrate network to deal with the redundant transmission problem in current network.Meanwhile,SCN is enhanced with a network information aware layer,which measures and collects the substrate network running status.The status data is further used by means of big data analysis to guide more proper network slicing and differentiated cache allocation.%互联网业务的蓬勃发展带动网络技术进步,但是,近几年出现的新业务,例如4K/8K高清视频、增强现实、自动驾驶等技术都对网络提出了新的需求,面对这些新需求,目前的网络架构暴露出诸多问题.因此,提出一种面向服务定制(service-customized networking,SCN)的未来网络架构.SCN基于SDN/NFV(software defined network/network functions virtualization)技术实现网络切片,为业务提供差异化的端到端服务质量保障.SCN通过在网络中差异化部署缓存资源,解决网络中冗余传输的问题.同时,SCN在其架构设计中加入了网络信息感知平面,通过采集底层网络状态并对收集的信息进行大数据处理分析,为更加合理的网络切片以及差异化缓存部署提供依据.