Network communication between CA DataMinder machines depends on ports being correctly allocated. Each machine uses a combination of client and server ports. In order to transfer data, a machine creates a connection between a client port and a server port on a remote machine. For example, when the CMS receives a notification to replicate captured events up from a client machine, it creates a connection between one of its client ports and a server port on the client machine.
Communications in CA DataMinder is bidirectional. That is, a CMS can initiate a new connection with a client and a client is able to initiate a new connection to a CMS. This means that all machine types are sources and destinations of UDP packets, and all machine types act as TCP servers and clients.
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