The architecture of cloud foundation services
The architecture of cloud foundation services
The architecture of cloud foundation services is mainly divided into three layers, from bottom to top: IaaS (Infrastructure as a Service), PaaS (Platform as a Service), and SaaS (Software as a Service). Let me help you quickly clarify their respective characteristics and differences:
1、 IaaS (Infrastructure as a Service)
Core function: Provides basic resources such as computing, storage, and networking, allowing users to independently deploy operating systems and applications.
Typical scenario: Enterprises migrate their local servers to the cloud and independently manage software installation and configuration.
Representative vendors: Alibaba Cloud, Huawei Cloud, Microsoft Cloud, etc.
2、 PaaS (Platform as a Service)
Core function: Provide a development environment (such as programming languages and databases) based on IaaS, allowing users to focus on application development.
Typical scenario: Developers use cloud platforms to quickly build and deploy applications without managing underlying resources.
Representative vendors: Sina Cloud, Qiniu Cloud, iFlytek, etc.
3、 SaaS (Software as a Service)
Core function: Directly provide application software, which users can use through browsers or APIs without installation and maintenance.
Typical scenario: Enterprises use online tools such as Office 365 and Baidu Netdisk.
Representative manufacturers: Office 365, Baidu Netdisk, etc.
Simply put, IaaS is a 'bare shell', PaaS is a 'fully furnished', and SaaS is a 'ready to move in' solution. If you have specific scenarios or selection requirements, I can help you refine the analysis.
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