Central mode server types

There are two complementary server types in the central mode: central and remote. Within a central server cluster, there is always a single central server and zero or more remote servers. Each server, regardless of its type, can host multiple databases.
Central server
The central server hosts the central CR database and, optionally, other databases. It is the only server users interact with.
Remote server
A remote server acts as a proxy between the central server and remote development databases. A remote server is needed when you want databases that are hosted by different IBM® Rational® Synergy servers to be part of the central server cluster.
Example of a central server and two remote servers
Consider this example, based on the previously mentioned figure. A company has its headquarters in San Francisco (Central Change Server) and offices in Madrid and Berlin (Geographic Regions 1 and 2). This company has Rational Synergy databases in each geographic region, each hosted by a Rational Synergy server per city. The central server and the central CR database are located in San Francisco. They are able to communicate with the databases in Madrid and Berlin through a remote server located in each city.

In this deployment situation, there is a central server and two remote servers. All users access IBM Rational Change through the central server (not a remote server). Users have access to all CRs, regardless of the database they are logged on to for task work.


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