Distributed Processing Systems

By Robert J. Thierauf | Go to book overview
DISTRIBUTED PROCESSING SYSTEMS IMPLEMENTATION
PREPARATORY WORK OF IMPLEMENTING DISTRIBUTED PROCESSING SYSTEMS
OPERATION OF DISTRIBUTED PROCESSING SYSTEMS
OVERVIEW OF LOCAL PROCESSING OF SOURCE DATA ENTRY--FIRST-LEVEL SYSTEM
APPLICATIONS OF DISTRIBUTED PROCESSING--FIRST-LEVEL SYSTEM
OVERVIEW OF LOCAL PROCESSING OF SOURCE DATA ENTRY, TRANSACTIONS, AND MANAGEMENT REPORTS-SECOND-LEVEL SYSTEM
APPLICATIONS OF DISTRIBUTED PROCESSING--SECOND-LEVEL SYSTEM
CHAPTER SUMMARY
QUESTIONS
SELECTED REFERENCES

4
IMPLEMENIATION AND APPLICATIONS OF DISTRABUTED PROCESSING SYSTEMS (FIRST AND SECOND LEVELS)

Once the problem of what distributed processing equipment to acquire has been resolved, the feasibility study has been officially concluded. Even though a substantial amount of time and cost was expended on the study, considerably more of both will be spent on systems implementation. In reality, long hours for data processing and nondata processing personnel are just beginning, and extreme patience is required. Otherwise, the best-planned feasibility study can be upset by those personnel who fail to cooperate in executing the plans devised. In the first part of this chapter, the steps involved in systems implementation are discussed, thereby providing a logical framework for installing a distributed processing system.

The current trend, per Chapter 2, is to approach distributed processing from a three-level system viewpoint. By way of review, the first-level system focuses on local processing of source data entry, while the second-level system centers on local processing of source data entry, transactions, and management reports. The third- level system goes beyond local processing and is a network of distributed processing

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