System Analysis and Design

Question Two 2 Marks Suppose you are hired by a mega service company (e.g., Saudi Electricity Company) Your new role is the Chief IS Architect in charge of overseeing the establishment of the e-Business Infrastructure. The company decided to offer services through an Electronic Customer Relationship Management Channel or (e-CRM) Here are the major requirements for the IS Architecture The company has more than 25 Million customers including individuals enterprises, and government institutes Customers' records are stored into a DB2 server from IBM running MVS operating system. . Employees and suppliers files are stored on an Oracle database to facilitate end to-end eProcessing . Individual customers can access the new e-CRM using multiple platforms including mac, windows as client PCs, tablets and smart phones (iOS and Android) as handheld devices Under no circumstance, shall the customers be allowed to access the back-end DB There are 2 intermediate layers that reside between users and the enterprise IS . Customers are given the authority to establish/modify/configure services online so all communication with customers are encrypted and strong authentication mechanism is in place Based on the given requirements, complete the diagram below with the necessary information, write the required information on the space provided. Presentation