What is PAAS? Platform as a service introduction

        When the company is carrying out production and Research , The Department has always emphasized PaaS Capacity building , Business architecture has always said PaaS turn , such as xxxPaaS Building ...... Because I haven't touched it before , So I've always been confused .. What on earth PaaS？

        PaaS（Platform as a Service）： Platform as a service ,PaaS It is a complete development and deployment environment on the cloud , The resources allow users to deliver simple cloud based applications to complex applications 、 Everything that supports cloud enterprise applications . Users can purchase the required resources from cloud service providers on a pay as you go basis , And access these resources through an Internet connection .

         image IaaS equally ,PaaS Including infrastructure ( The server 、 Storage and networking ) , It also includes middleware 、 development tool 、BI service 、 Database management system, etc .PaaS Designed to support the complete web Application life cycle : structure 、 test 、 Deploy 、 Manage and update .

        PaaS Let users avoid buying and managing software licenses 、 Underlying application infrastructure and middleware 、 Container arrangement ( Such as Kubernetes) Or the cost and complexity of developing tools and other resources . Users only need to care about the developed applications and services , Cloud service providers usually manage everything else .