Components overview

Deployment server (management console)

1 or more

Installed on a single server or cluster of servers.
The deployment server hosts the management console, which defines applications and controls their deployment.
The deployment server runs only on the Apache/PHP version that comes with the installed product.

Deployment engine service

1 or more

Installed on a single server or multiple servers; might share the deployment server.
The service launches engines as needed to run system processes.
The deployment engine service runs only on the PHP version that comes with the installed product.

Dispatcher

1 or more

Installed on the deployment server or cluster of servers.
The dispatcher responds to the deployment engine requests, determines the communication mechanism for each target computer (such as NSH), and ensures that the deployments actually run on the target.

Database

1

Installed on a server; can share the deployment server (but not recommended); can reside on any system as long as the appropriate PHP modules are configured for communication.
The database stores application instances and system configuration data.

Socket-based API

1

The socet-based API is installed as an additional component. It is not installed by default.