Wiki source code of Typisches Cluster-Szenario

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1 {{figure image="FCSnapshot17.png" width="400"}}The most common configuration for a {{formcycle/}}cluster network with two {{fserver number="plural"/}} and two {{mserver number="plural"/}}{{/figure}}
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3 {{figure image="FCSnapshot18.png" width="400"}}A {{mserver/}} fails and gets replaced by the second {{mserver/}}.{{/figure}}
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5 The first illustration shows the most common configuration for a {{formcycle/}} cluster network.
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7 The frontend servers named 1 and 2 belong to the the //DMZ// (demilitarized zone), the servers named 3 and 4 are part of the intranet. Forms are provided and accepted by a load balancer. This way when a frontend server (1 or 2) fails, forms can still be provided and accepted by the other fronted server.
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9 Both frontend servers (1 and 2) are connected to the master server 3.
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11 As shown in the next illustration, when that master server fails, the other master server (server 4) takes over and establishes a connection with both of the frontend server.