Author: Zen and the Art of Computer Programming
As a popular new technology, cloud computing has many advantages in deployment, operation and maintenance, such as pay-as-you-go, elastic scaling, automatic configuration, etc. It can help customers solve various complex problems. Therefore, many enterprises are transforming or gradually migrating to cloud computing. Although the convenience brought by cloud computing has brought huge business opportunities to all walks of life, it has also brought new challenges—how to make better use of cloud computing services? How to improve business efficiency? How to quickly respond to market changes? AWS is one of the most popular cloud service providers. This article will start from the functions and characteristics of AWS, combined with cases, and tell readers how to use cloud computing services to achieve efficient and scalable business through practical examples.
2. Explanation of basic concepts and terms
(1) Amazon Web Services (AWS for short)
Amazon is an e-commerce website, and its technicians have developed and maintained a series of products based on cloud computing technology, including cloud servers, cloud databases, cloud storage, cloud software, etc. Amazon has the world's largest cloud computing infrastructure and has become the world's second largest cloud service provider. Amazon Elastic Compute Cloud (EC2) is an implementation of EC2. It provides users with a pay-as-you-go virtual private cloud (VPC), supports dynamic expansion and real-time adjustment, and provides resources such as cloud storage, cloud computing, and cloud networks. . Through EC2, users can obtain resource-based billing, start and stop servers at any time, configure hardware configurations of different sizes, install different versions of operating systems, and install different application software. In addition, EC2 also supports a variety of security options, including security group rules, IAM (Identity and Access Management, identity and access management