> For the complete documentation index, see [llms.txt](https://docs.parallels.com/landing/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.parallels.com/landing/ras-admin-guide/parallels-ras-21-administrators-guide/ras-connection-broker.md).

# RAS Connection Broker

RAS Connection Broker provides load balancing of published applications and desktops. A RAS Connection Broker is automatically installed on a server on which you install Parallels RAS and is designated as the primary Connection Broker. Each Site must have a primary RAS Connection Broker but can also have secondary Connection Brokers added to it. The purpose of a secondary Connection Broker is to ensure that users do not experience any interruption of the service due to possible failure of the primary RAS Connection Broker. This chapter describes how to add RAS Connection Brokers to a Site and how to configure them.


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