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In this paper, we discuss information model of IEC 61850 protocol. We give the prototype design of information model of IEC 61850 and study record accessing times. We suggest use of real time main memory database model for IEC 61850. We also use TLSF memory allocator for assigning memory to records in IEC 61850 prototype. We suggest a back up scheme for database for fast crash recovery. Finally we study transaction processing and security of database.