Can I do DECnet task-to-task communication with DCL?
Yes, you can do this with DCL. The OpenVMS DECnet documentation shows various simple examples using the task object and the TYPE command to trigger the execution of a DCL command procedure on a remote node. An example DCL command procedure that is rather more advanced than using the TYPE command as a trigger is included in the Ask The Wizard area: o http://www.hp.com/go/openvms/wizard/ For additional information on the OpenVMS Ask The Wizard (ATW) area and for a pointer to the available ATW Wizard.zip archive, please see Section 3.8. 8-8 DCL Details DCL does not include support asynchronous I/O, thus a predetermined protocol or a predetermined “turn-around” command sequence must be implemented in order to avoid protocol deadlocks-cases where both tasks are trying to write or both tasks are trying to read. The task that is writing messages to the network must write (or write and read) a predetermined sequence of messages, or it must write a message that tells the reader that it can now
