Topic Last Modified: 2011-05-02

The Microsoft Lync Server 2010 perimeter network is home to three edge services, each of which handles a particular type of traffic across the corporate firewall:

For details about Edge Server configurations and topologies, see Planning for External User Access in the Planning documentation.

You must deploy an HTTP reverse proxy in your perimeter network to support participation of remote and federated users in IM and conferencing. The reverse proxy manages distribution-group expansion, address book file download, access to meeting content (such as slides) for remote and federated users, and software updates to clients and devices.

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