tailieunhanh - Lecture Business management information system - Lecture 13: Distributed systems

Lecture Business management information system - Lecture 13: Distributed systems. In this chapter, the following content will be discussed: An aerospace company, chubb & son insurance company, the sabre group, the IT infrastructure. | Distributed Systems Lecture 13 Today Lecture AN AEROSPACE COMPANY Case example: Client-Server Systems CHUBB & SON INSURANCE COMPANY Case example: Internet-Based Computing THE SABRE GROUP Case example: Internet-Based Computing The IT Infrastructure Systems group’s goal = never build monolithic applications again Builds client-server systems with: Application code on the clients Data on the servers AN AEROSPACE COMPANY Case example: Client-Server Systems 3 Communication middleware software shared. Object oriented technology, most from a library Data = at the heart of the architecture is a repository which allows the reuse of objects AN AEROSPACE COMPANY Case example: Client-Server Systems Cont 4 5 Network = integral part of the architecture. Each company site has three components: Desktop machines Servers One or more site hubs AN AEROSPACE COMPANY Case example: Client-Server Systems cont. 6 Architecture = ‘remote data management’. Data resides on servers and applications reside on . | Distributed Systems Lecture 13 Today Lecture AN AEROSPACE COMPANY Case example: Client-Server Systems CHUBB & SON INSURANCE COMPANY Case example: Internet-Based Computing THE SABRE GROUP Case example: Internet-Based Computing The IT Infrastructure Systems group’s goal = never build monolithic applications again Builds client-server systems with: Application code on the clients Data on the servers AN AEROSPACE COMPANY Case example: Client-Server Systems 3 Communication middleware software shared. Object oriented technology, most from a library Data = at the heart of the architecture is a repository which allows the reuse of objects AN AEROSPACE COMPANY Case example: Client-Server Systems Cont 4 5 Network = integral part of the architecture. Each company site has three components: Desktop machines Servers One or more site hubs AN AEROSPACE COMPANY Case example: Client-Server Systems cont. 6 Architecture = ‘remote data management’. Data resides on servers and applications reside on clients Company uses the distribution function and remote data management because they minimize total costs AN AEROSPACE COMPANY Case example: Client-Server Systems cont. 7 Benefits of Client-Server Computing: Better access to information: Allow companies to compete better. Types of Distributed Systems: 5. Client-Server Systems cont. 8 Improved customer service Ability to communicate customer needs, and Anticipate customer needs. Reduce cycle times and Types of Distributed Systems: 5. Client-Server Systems cont. 9 Empowered employees: Blend autonomy of PCs with system wide rules and connectivity of traditional IS. Shifts focus of computing to users Types of Distributed Systems: 5. Client-Server Systems cont. 10 Benefits of Client-Server Computing (cont.): Increases organizational flexibility: allows new technology to be added more easily without affecting rest of system streamlines work flow between functional areas encourages people to work together via networks Supports new .