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The Siebel Gateway Name Server serves as the dynamic address registry for Siebel Servers and components. At startup, a Siebel Server within the Siebel Enterprise Server stores its network address in the Gateway Name Server's nonpersistent address registry.
Siebel Enterprise Server components query the Gateway Name Server address registry for Siebel Server availability and address information. When a Siebel Server shuts down, this information is cleared from the address registry.
There can be only one Gateway Name Server installed for each environment in which you have created a Siebel Enterprise. Further, do not share the same Gateway Name Server across development, test, and production environments.
The Gateway Name Server is usually a candidate for high availability using a cluster configuration. If the primary node in the cluster fails, then the second computer in the Gateway Name Server cluster takes over, minimizing potential downtime.
It is strongly recommended to install the same set of languages on each server computer in your Siebel Enterprise. For more information, see the Siebel Installation Guide for the operating system you are using. See also Siebel Global Deployment Guide.
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