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Remote Job Entry
Remote Job Entry (RJE) is an early protocol designed for submitting batch processing jobs from remote locations to mainframe computers. It facilitated offsite users or departments in efficiently sending jobs and retrieving results without direct access to the data center. RJE was primarily used in large enterprise and academic environments before the advent of modern distributed and interactive systems..
Remote Job Entry (RJE) is a protocol and system that enables users to submit batch jobs remotely to a mainframe or central computer for processing. Originating in the early days of terminal computing, RJE supported operations where computing resources were centralized, and remote offices or departments sent job control language (JCL) scripts over network connections to be queued and executed in bulk.
The protocol typically employed telnet-based or proprietary communication methods that allowed job files, control information, and data input to be transferred securely (though not encrypted by today’s standards) between remote terminals and the mainframe. Once the mainframe processed the batch jobs, output files, logs, and printed reports could be retrieved in a similar manner.
As a batch-oriented system, RJE optimized resource utilization by grouping jobs, reducing idle time on expensive mainframes, and enabling distributed users to leverage centralized computing without requiring real-time interaction. With advances in networking and interactive systems, RJE has largely been supplanted by more modern protocols and distributed processing techniques.