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Question about traffic flow between Edge servers in DMZ

jhindson asked
Medium Priority
Last Modified: 2013-11-29
If two separate, federated organizations, Lync and OCS 2007 R2, exist in the same network DMZ, is there any reason the servers from one organization would communicate directly with a server from the other organization, without using the load balanced virtual IP? I would like to confirm that traffic between the organizations will flow in and out of the virtual IP, and not server-to-server, if a sever discovers it is on the same network segment.

We have two federated organizations within our company and are in the process of upgrading one org to Lync. I need to confirm for our network engineer that there will not be a circumstance when the Edge servers from one org will communicate with an Edge server from the other org directly, i.e. traffic will come through VIP. I believe if the Edge server is pointed to an external DNS server, there is no reason for it to attempt server-to-server communication with the other organization. Can anyone confirm this behavior?

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