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Deploying
IBM® Sametime® consists of a variety of servers and clients, and can be deployed to suit many different environments. The deployment instructions are organized by feature set, beginning with the minimum components that are necessary to support instant messaging, and then expanding the deployment to include features such as audio and video support, and conferencing.
Deploying instant messaging
Instant messaging features are provided primarily by the IBM® Sametime® Community Server, which supports presence, text chats, and two-way phone calls.
Deploying Sametime® Community Server to support external users
If your IBM® Sametime® deployment will support users hosted outside of your organization's intranet, you have several options for deploying and configuring the Sametime Community Server to support those users.
Using multiple non-clustered Sametime® Community Servers
Install multiple IBM® Sametime® Community Servers to support a large or geographically distributed user community and synchronize the servers to operate as a single Sametime community.

Using multiple non-clustered Sametime Community Servers

Install multiple IBM® Sametime® Community Servers to support a large or geographically distributed user community and synchronize the servers to operate as a single Sametime community.

Some reasons to install multiple Sametime servers include:

Spreading the load of a large user population among multiple servers.
Reducing network usage and improve server performance when you have significant user populations in remote or distributed locations.

This section discusses the issues associated with deploying multiple Sametime servers, including: