Provider Domain Google App Engine appspot.com second-level domain Sina App Engine sinaapp.com second-level domain Baidu App Engine duapp.com second-level domain Heroku herokuapp.com second-level domain AWS Elastic Beanstalk elasticbeanstalk.com second-level domain OpenShift rhcloud.com second-level domain DaoCloud daocloud.io second-level domain TenxCloud tenxapp.com second-level domain Alauda myalauda.cn second-level domain

1. About PaaS 1.1 What Is PaaS PaaS is short for Platform as a Service, a type of cloud computing service that provides a computing platform along with solution services. The emergence of PaaS accelerated the growth of SaaS, and in particular sped up the development of SaaS applications. For example, when developing SaaS, using the login, database, cache, and other services uniformly provided by a PaaS platform greatly reduces the manpower and cost of building those services.

1. User Scenarios for Hybrid Cloud 1.1 Handling Explosive Business Growth Internet businesses grow exponentially, and it is hard to predict how much infrastructure capacity to reserve. Usually, for a long stretch in the early days of a business, a small colocation footprint of physical machines is enough to meet demand.

1. What Docker Is Docker was born in early 2013 as a side project inside dotCloud (the former name of Docker Inc.). Its source code is hosted on GitHub, it is written in Go, and it follows the Apache 2.0 open-source license. The goal of the Docker project is to provide a lightweight operating system virtualization solution.

1. Classification of Cloud Services IaaS, which provides computing and storage services. PaaS, which provides the platform environment in which software runs. SaaS, which delivers software services directly. 2. Application Scenarios for Cloud Services Adopting cloud services can significantly reduce IT spending. Among IaaS services, cloud hosts and storage are the products with the highest adoption rates, followed by databases and network acceleration.