Server architecture

You can configure Rational® ClearQuest® with a single server or with multiple servers.
Rational ClearQuest consists of two components:

Single-server architecture

You can create a simple configuration that uses a single computer for both the Rational ClearQuest Web application and Rational ClearQuest server. Additional Rational ClearQuest server computers can be added to provide greater transaction capacity.

Multiple-server architecture

To improve performance you can run the Rational ClearQuest Web application on one computer and the Rational ClearQuest server on another. To further increase server capacity, you can add computers that also run the Rational ClearQuest server.

If multiple servers are used with a single Rational ClearQuest Web application, the Web application balances the load across all the servers. If one server fails, the Web application sends all subsequent requests for new sessions to one of the other available servers.

Using servers on Linux and the UNIX system

If you are deploying Rational ClearQuest Web on the Linux operating system or on the UNIX system and want to provide reporting capabilities to your Rational ClearQuest Web application, you must configure at least one Windows computer to run the Rational ClearQuest server because reporting is not supported on the UNIX system or on Linux for Rational ClearQuest Web.



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