This setup applies to IBM Rational ClearQuest®, IBM Rational RequisitePro®, IBM Rational ClearCase®, or Rational Test Manager. One data adapter provides a communication interface to many Rational Publishing Engine clients. For performance reasons, do not install the data adapter on the same server as the database. On the computer where the data adapter is installed, you must also install the native client to the database Rational RequisitePro thick client, Rational ClearQuest Eclipse client, and others). On the computer with the data adapter installed, the data adapter uses the native client to communicate with the database. Many Rational Publishing Engine clients, even in different locations, connect to the data adapter by using http://server:port/DataServices/Adapter/<data>.