NFV PaaS平台架构设计

doi:10.11959/j.issn.1000-0801.2018275

Abstract

Abstract:

NFV is evolving from the initial stage of software and hardware decoupling to the goal of full cloudification and cloud native,which will make the telecommunication networks more scalable,flexible and efficient.The introduction of the NFV PaaS platform is an important measure to realize the evolution and development of NFV.The basic concepts and application scenarios of NFV PaaS were introduced,several deployment options of NFV PaaS were analyzed,and an architecture design of NFV PaaS platform was proposed.The reference for telecom operators to build NFV PaaS platform will be provided.

Key words: NFV, PaaS, platform

CLC Number:

TP393

Binhong MAO,Zhiming YANG. Architecture design of NFV PaaS platform[J]. Telecommunications Science, 2018, 34(12): 138-145.

对比项	部署选项1：PaaS服务作为VNF	部署选项2：PaaS服务作为NFVI资源	部署选项3：PaaS服务作为新的对象类
NFV架构影响	中	低	高
	在现有架构中增加PaaS服务层，VNFM增加PaaS服务管理功能，增加PaaS服务与PaaS服务管理之间的接口	现有架构基本保持不变，在 NFVI 中增加PaaS服务，VIM中增加PaaS服务管理功能	在现有架构中增加PaaS服务层，增加PaaS服务及PaaS服务管理实体，增加PaaS服务管理与VNFM、VIM的接口
PaaS平台	中	高	中
建设难度	需要在VNFM中扩展PaaS服务管理功能	需要在NFVI中实现PaaS服务集成，并对VIM扩展PaaS服务管理能力，实现难度大	需要新建独立的PaaS服务管理器
PaaS平台	低	高	高
开放性	PaaS服务及服务管理与VNFM绑定，难以实现跨厂商的PaaS服务共享	PaaS服务及服务管理可以实现跨厂商共享	PaaS服务及服务管理可以实现跨厂商共享
分析建议	推荐	不推荐	不推荐
	该部署选项NFV架构层次清晰、功能独立，PaaS平台实现难度适中。但需要对现有部署选项进行优化，重点解决PaaS平台跨厂商共享问题	NFVI与上层VNF应该是解耦的，当PaaS服务作为一种资源时，PaaS服务本身具有业务属性，导致资源管理混乱，也不利于运营商构建统一的云化基础设施	该方案打破现有 NFV 业务运行与MANO管理相对独立的模式，造成架构混乱。引入新的实体，也将导致集成复杂，平台建设与运营维护困难

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Architecture design of NFV PaaS platform

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