tree type structure to a complicated multi-path mesh type structure.
The program logic within each node virtual machine would be the same
logic as required for a real teleprocessing node. In theory, a
reasonably complicated structure could be simulated
the physical hardware.
The significant testing capability provided by
link the test system with test/simulation routines in another virtual
virtual machine to another it can also be used to communicate within a
single virtual machine (wrap connection)
conceivably be used to link one or more operating system tasks that are
logically separated by the software. This would allow task to task
communication rather than virtual machine to virtual machine
used to contain a security code to prevent unwarranted users from
accessing a shared data base or other confidential information.
to his virtual machine. This option is useful when slave machines
are to communicate only with a host machine. The slave machines can
clogging their message queues.
transactions in process for other users. (for
B from user A).
of conditions that could threaten the integrity of his own
user is notified either with a
transfer error code. There is no internal buffering of user data within
the control program
code or data transfer error code can indicate to a user that a
transaction failed. It is up to the user to preserve the associated
transaction data. The following are considerations which should be