BlueSkies Inc., a regional airline based in Des Moines, decided to go nationwide, open at least two reservation counters in every U$.$S$.$ city with a population over $800,000,$ and create a Web site where customers can make reservations online. The company expects to handle more than $200,000$ transactions per day. Select a terminal services or mainframe$-$based architecture for the airline$$s solution, and defend your choice. Be sure to explain why your solution is superior to the other architecture