Recently published Extranet Topologies for SharePoint 2010 Products diagram illustrates the specific extranet topologies that have been tested with SharePoint 2010 Products.
It also provides a comparison of ISA Server, Forefront TMG 2010, and Forefront UAG 2010 when used as a firewall or gateway product with SharePoint 2010 Products.
Built-in features for configuring SharePoint publishing
Network load balancing
Endpoint health detection
Granular access policies
Information leakage mitigation
Unified portal for publishing multiple LOB apps
* DirectAccess is partially supported for Forefront TMG 2010
Microsoft Forefront Unified Access Gateway (UAG) provides secure Web publishing of applications, using SSL. Forefront UAG provides access to internal resources for remote employees and partners. It adds the following capabilities to the SharePoint 2010 Products extranet solution:
First, many thanks for posting this. Through your post I was able to determine that ISA 2006 would at least support publishing SharePoint 2010 sites. Obviously UAG will offer a better support.
The company I work for has many years experience developing SharePoint Extranet extensions and for SharePoint 2010 we've come up with a great solution for creating extranet areas on the basis of SiteCollections. This way the SharePoint limitation on the number of web applications on a server (according to Microsoft around 20) is bypassed. I've posted a description of this solution here: www.getsharepoint.ch/.../collaboration-with-partners-suppliers-and-clients-a-sharepoint-extranet