The Delft-FEWS components can all be located on one (powerful) server or each on an individual machine, with all possible configurations in between. It is, however, common practice to separate the Forecasting Shell Server from the Master Controller Server. When using multiple machines it is essential that all machines have matching clocks. This can be achieved by making use of one and the same NTP server.

A typical configuration is:

  • Database Server
  • Master Controller server running Master Controller(s),  Apache Tomcat for Admin Interface
  • Forecasting Shell Server(s)
  • Delft-FEWS WebServices
  • Open Archive Server

Typically in a dual Master Controller setup every Master Controller has its own machine so that maintenance can take place without offline time.

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