Data file server for performing data-file transaction processes as a reaction to data file transaction requests by clients, uses first transaction protocol for storage of higher-authority data transaction process information

摘要

A client data file server prepares data files for common use and includes protocol generator for recovery of server operation following breakdown server processes so as to be able to read higher-authority file transaction information with reference to each file transaction requirements directed at first leaf processor (14A) from transaction protocol and then to restore performance status of file transaction.