Deploying Extranet or Intranet Farms

Another reason to deploy multiple farms is for security. For security reasons, it is not generally recommended to have an internal SharePoint document management or intranet environment directly accessible from the Internet unless it is secured by an advanced reverse proxy platform such as Microsoft’s Forefront Edge line that includes the Threat Management Gateway or Unified Access Gateway products.

Even for environments properly secured for inbound access, there may be scenarios in which SharePoint content needs to be made accessible by external users, such as in anonymous Internet portal scenarios or for extranet partner scenarios. Because a SharePoint farm requires high connectivity between farms members, ...

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