Installation and Configuration Guide > Part I: Installation Getting Started > Installation Getting Started > Installation Overview
  

Installation Overview

Welcome to the Informatica Big Data Suite installation to install Informatica domain services and clients. The Informatica domain services consist of core services to support the domain and of application services to support big data processing in the native and Hadoop environments. The Informatica clients consist of thick client applications and web client applications.
Run the Informatica Big Data Suite installer to install domain components and application services that support the following big data products:
When you install the Informatica domain services, you are prompted to create a domain or to join a domain. The domain is a collection of nodes that represent the machines on which the application services run. The first time you run the installer, you must create the domain. If you install on a single machine, you create the Informatica domain and a gateway node on the machine. If you install on multiple machines, you create an Informatica domain and a gateway node during the first installation. During the installation on the additional machines, you create gateway or worker nodes that you join to the domain.
When you run the installer, it installs files for services. You can optionally create application services during the installation process, or you can manually create application services when the installation completes.