Server
For medium to large networks it is recommended that a server be used to distribute data and communicate with players. In using a dedicated server your digital signage transmissions are optimised providing ideal conditions for network stability.
As your digital signage can grow to encompass various forms of media consideration for other stand-alone servers is important. These can include streaming if you wish to stream video across the network, and web services which can be used to enable web applications. Selecting a server that is reliable and robust will help to maintain network performance.