Manager Database Database Database Server Server Server Data Data Data User Devices User Devices User Devices FIGURE 4.52 A Hierarchical Client-Server Environment for an OLTP Application multiple...

Extracted text: Manager Database Database Database Server Server Server Data Data Data User Devices User Devices User Devices FIGURE 4.52 A Hierarchical Client-Server Environment for an OLTP Application multiple regional database servers, each acting in a client-server fashion and updat- ing each other's regions via a database manager, as in Figure 4.52. Show the probable data sources and sinks for both environments. b. How does migrating from the mainframe environment to the hierarchical client- server environment modify the traffic flows in the network? In what ways does the network environment improve the traffic flows? What are some of the potential trade-offs between the two environments-for example, in security, management, and performance? a. с. d.