The topics in this section describe some of the commonly used topologies for deploying servers running SharePoint Products and Technologies through Forefront Unified Access Gateway (UAG).

For each topology, the following relationships are explained:

For further information about designing SharePoint extranet farm topologies, see Design extranet farm topology (Office SharePoint Server).

In each of the topologies, it is assumed that external users will access the SharePoint site using a secure HTTPS connection. Although it is possible for external users to access the SharePoint site using HTTP, the connection to the site will not be secure.

The following topics describe some considerations you should be aware of before publishing SharePoint applications, and the main topologies and steps for publishing SharePoint applications in your network using Forefront UAG: