You must run one router process for the network Rational Synergy installation. You can run this process on any machine where Rational Synergy is installed. You must choose this machine during the primary installation.
You can run multiple object registrars per CCM_HOME location. The object registrar typically runs on each database host machine that has an Informix server.
You must run one ESD process on any machine where you plan to run Rational Synergy engines with secure connections.
You must run one primary server for the network Rational Synergy installation. By default, the primary server runs on the same machine as the router. You can run additional CCM servers on other machines. Typically, you would run one CCM server on each database server.