Elastic Compute Service, ECS) is a simple, efficient, safe and reliable computing service with flexible processing power. Its management mode is simpler and more efficient than physical server. Users can quickly create or release any number of cloud servers without purchasing hardware in advance.

Types of cloud services:

Cloud services can be divided into three types, each with four English letters, namely SaaS, PaaS and IaaS.

1.SaaS

SaaS refers to the service of providing software (application) through the Internet. Up to now, software needs to be installed on PC every time, but it is unnecessary to use SaaS. By logging in with the correct ID and password, you can use it from any terminal and anywhere on the Internet.

2.PaaS

PaaS is a service that provides a platform (operating foundation) for developing applications through the Internet. With PaaS, users can install applications and operate them.

3.IaaS

IaaS is a service that provides infrastructure such as hardware and lines through the Internet, and users can choose hardware together with OS.