Oracle Database - Dedicated Server Architecture


In a dedicated server architecture, each client process connects to a dedicated server process. The server process is not shared by any other client.

PMON registers information about dedicated server processes with the listener. This enables the listener to start a dedicated server process when a client request arrives and forward the request to it.

Dedicated server architectures do not support HTTP, FTP, or WebDAV clients. Only database clients are supported.

Basic difference between the shared and dedicated server

The following two figures show the basic difference between the shared server connection model and the traditional dedicated server connection model. In the shared server model, a dispatcher can support multiple client connections concurrently. In the dedicated server model, there is one server process for each client. Each time a connection request is received, a server process is started and dedicated to that connection until completed. This introduces a processing delay.

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