Module 02 · Cloud Computing Models云计算模型
Lesson 1 Summary: Service Models第 1 课总结:服务模型
In this lesson, you have learned the following:
在本课中,您学习了以下内容:
- With IaaS, the cloud provider manages physical resources.
使用 IaaS,云服务提供商管理物理资源。 - With PaaS, the provider manages the platform infrastructure.
使用 PaaS,提供商管理平台基础设施。 - In the SaaS model, the provider hosts and manages the applications and data.
在 SaaS 模式下,提供商托管和管理应用程序和数据。 - Infrastructure-as-a-Service is a form of cloud computing that delivers fundamental computer, network, and storage resources to consumers on-demand, over the network, on a pay-as-you-go basis.
基础设施即服务是一种云计算形式,通过网络按需向消费者提供基本的计算机、网络和存储资源,按使用付费。 - The key components of cloud infrastructure are:
云计算基础设施的关键组成部分包括:- Physical data centers 物理数据中心
- Compute 计算
- Network 网络
- Storage 存储
- Platform-as-a-Service is a cloud computing model that provides customers with a complete platform—hardware, software, and infrastructure.
平台即服务是一种云计算模式,为用户提供完整的平台——包括硬件、软件和基础设施。 - The high level of abstraction, support services, runtime environments, rapid deployment mechanisms, and middleware capabilities distinguishes PaaS clouds.
高层次的抽象、支持服务、运行时环境、快速部署机制和中间件能力区分了 PaaS 云。 - PaaS advantages are: PaaS 优势包括:
- Scalability 可扩展性
- Faster time to market products and services.
更快的上市产品和服务时间。 - Greater agility and innovation
更高的敏捷性和创新性
- Software-as-a-Service is a cloud offering that provides users with access to a service provider’s cloud-based software.
软件即服务是一种云服务,为用户提供访问服务提供商基于云的软件的途径。 - SaaS characteristics are:
SaaS 特征包括:- Multitenant architecture
多租户架构 - Security, compliance, and maintenance
安全、合规性和维护 - Customization of applications
应用定制 - Subscription model 订阅模式
- Scaling 缩放
- Multitenant architecture
- SaaS advantages are: SaaS 优势包括:
- Direct procurement of solutions
直接采购解决方案 - Improved workforce productivity and efficiency
提高劳动力生产率和效率 - Enable distribution of software costs
启用软件成本分摊
- Direct procurement of solutions