Briefly describe the small concept of cloud computing

According to Xiaobian today to participate in an event, the morning time period in sub-venue three, the speaker said "from the developer's point of view of Windows Azure system architecture," the theme was described.

He first talked about the characteristics and needs of cloud computing. He believes that cloud computing must be based on data center services (computing, data, infrastructure), on-demand and on-demand payment, and must be scalable, highly available, and fault tolerant. In his view, the enterprise's IT capacity must be changed according to actual business needs at any time, and this is difficult to achieve in the traditional IT architecture approach, the traditional way of IT satisfaction is generally presented in the form of a ladder (the upper part of the stairs-like solid line) , And it takes time for each step to span. Therefore, companies want to make IT dynamic business needs to meet the basic impossible. In order to realize this ideal state of the enterprise, it must be transformed into the "cloud computing" mode.

Then, he focused on the Windows Azure platform.

The Windows Azure platform consists of three main components, one is Windows Azure (cloud computing operating system), SQL Azure (cloud computing database) and AppFabric (connecting local applications and cloud applications). 0445 Data Center Logical Structure
Windows Azure's capabilities are cloud application development, running cloud applications, managing cloud applications and providing storage space.

Part of Windows Azure.

Deploy the application

Access the application

Windows Azure role

Service Definition and Service Configuration

Fault-tolerant domains and upgrade domains

Upgrade the application

VIP Swap upgrade

In-place upgrade

Operating cost comparison

Course summary:

1, Windows Azure is a cloud computing operating system

2, service definition and service configuration

3, the deployment of applications

4, upgrade the application