异构云计算平台业务迁移

doi:10.11959/j.issn.2096-3750.2020.00161

Abstract

Abstract:

With the rapid development of 5G communication technology,Internet+ and the Internet of things (IoT),cloud computing as an Internet-based virtual resource management and a distributed computing technology,provides services to users in a dynamic,on-demand and measurable manner.The solution of migrating the service platform to the cloud computing platform can realize rapid service deployment and effectively save service innovation and operating cost.With the research of the cloud computing platform-based service migration technology,the China Mobile’s OpenStack-based cloud computing architecture was taken as an example.The technical principles and core points of the mainstream service migration schemes were analyzed,such as offline migration,online migration based on platform functions,online service migration based on the agent block level and online service migration based on agent file level.The general service migration process and method were also given.Finally,three types of online migration schemes were experimentally verified through the actual platform.The technical advantages and adaptation scenarios were analyzed separately to guide the production practice of future business migration.

Key words: cloud computing, service migration, heterogeneous platform

CLC Number:

TP316

Feng WEI,Fei DING,Pengju JIAO,Yang LI,Yanshan CHEN,Dengyin ZHANG. Service migration of heterogeneous cloud computing platform[J]. Chinese Journal on Internet of Things, 2020, 4(4): 79-90.

Figures/Tables 15

References 36

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迁移方式	业务相关	停服时长	增量迁移	侵入性	影响程度
离线迁移	业务无关	数据/带宽	否	否	大
基于平台功能在线迁移	业务无关	分钟级	是	否	小
基于块级别在线业务迁移	业务无关	分钟级	是	是	小
基于文件级别在线业务迁移	业务无关	分钟级	是	是	小

迁移方式	适合业务场景
离线迁移	测试环境、准生产环境
基于平台功能在线迁移	源平台为VMware、Hyper-V
基于块级别在线业务迁移	源端除物理机以外的生产环境，业务为数据库
基于文件级别在线业务迁移	源端为物理机或其他虚拟化平台，且此工具支持磁盘缩容

业务系统	虚拟机名称	虚拟机地址
	CRM01	192.168.1.1
	CRM02	192.168.1.2
CRM系统	CRM03	192.168.1.3
	CRM04	192.168.1.4
	CRM05	192.168.1.5
	CRM06	192.168.1.6

技术方案	方案优势	非适用场景
基于平台功能的迁移	不用侵入系统，避免用户信息的泄露，更安全可靠	① 不适合实施精确的流量控制，流量控制的粒度是每个批次，不能到达每台虚拟机② 该功能严重依赖平台的负载，如在VMware vcenter忙时，则快照功能处理较慢③ 只支持特定平台
基于块级别在线业务迁移	① 迁移速率较快，停服时间相对较短② 流量控制可以到每台虚拟机的粒度	① 需要侵入源服务器② 不支持磁盘缩容
基于文件级别在线业务迁移	① 流量控制可以到每台虚拟机的粒度② 支持磁盘缩容，适合源端为物理机的场景	需要侵入源服务器

Service migration of heterogeneous cloud computing platform

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