When planning a basic Lync Server 2013 deployment, don’t forget to take into account the needs you will have of the network. Take into consideration plans for how servers will be logically deployed when planning for their physical deployment. For example, if multiple Front End Servers are load balanced for redundancy, consider placing them into different physical racks and connecting them to independent power circuits.
Placing all the load-balanced systems into a single rack only increases the possibility of a single event taking out all the systems, thus negating the benefits of load balancing for redundancy.
When planning the requirements for the LAN (local area network) or WAN (wide ...