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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 reverse proxy or portal servers with the Sametime® Community Server
To support clients hosted outside of your intranet, you can deploy the IBM® Sametime® Community Server behind a reverse proxy server or a portal server.
Configuring mapping rules on a reverse proxy server to support Sametime®
When an IBM® Sametime® server is deployed behind a reverse proxy server, the Sametime administrator must configure mapping rules on the reverse proxy server.

Configuring mapping rules on a reverse proxy server to support Sametime

When an IBM® Sametime® server is deployed behind a reverse proxy server, the Sametime administrator must configure mapping rules on the reverse proxy server.

The mapping rules enable the reverse proxy server to translate (or rewrite) a URL associated with the reverse proxy server to the URL of an internal Sametime server. This section discusses how mapping rules are configured on a reverse proxy server to accomplish the translation (or rewriting) of URLs when the reverse proxy operates with Sametime. This section includes the following topics: