19.1. Inter-image communications

The communicating applications or application parts can be located within one hardware machine or on separate machines that are connected by physical network components. Your choice of communication methods depends on where the applications to be connected run. Table 19-1 lists some of the more interesting options that are used today:

Table 19-1. Recommended inter-image communications among applications
Applications on different hardware machines

  • Gigabit Ethernet

Applications on the same machine but in different LPARs

  • HiperSockets

  • Gigabit Ethernet

  • Channel to Channel (CTC)

Applications in guests of the same z/VM

  • Guest LAN

  • Virtual CTC

At the time of the writing of this book, Gigabit Ethernet is the mainframe's high-speed ...

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