Chapter 4 of MIS 6th semester

1. Information Technology
Infrastructure
CHAPTER 4

2. What is IT Infrastructure?
Includes hardware, software and services
A set of physical devices and software applications that are required to operate the entire enterprise
Firm is largely dependent on its infrastructure for delivering services to customers, employees and suppliers.

3. Infrastructure components
1. Computer hardware platforms
2. Operating system platforms
3. Enterprise software applications
4. Data management and storage
5. Networking/telecommunications platforms
6. Internet platforms
7. Consulting system integration services

4. 1. Computer hardware platforms
• Client machines
Intel, AMD microprocessors
• Server market
Intel, AMD blade server replaces box servers
Sun SPARC
IBM POWER chips
• Mainframe
IBM
Giant server for massive enterprise network and corporate Web site
Equivalent to thousands of small blade servers
 Top hardware manufacture
IBM
HP
Dell
Sun Microsystem
 Top chip producers
Intel
AMD
IBM

5. 2. Operating System Platform
•Server operating system
Microsoft
Unix/Linux
•Client operating system
Microsoft Windows OS
Google Chrome OS
Android
IOS

6. 3. Enterprise Software Applications
SAP
Oracle
Siebel
Microsoft
4. Data Management and Storage
Leading database software
IBM DB2
Oracle
Microsoft SQL Server
Sybase
MySQL
Physical data storage
EMC(electro magnetic compatibility
Storage area network

7. 5. Networking/Telecommunication Platform
Local area network operating systems
Windows
Linux and Unix
Unix: large wide area networks
Leading hardware
Cisco
Nortel
Juniper Network
6. Internet Platform
Internet hardware server
IBM, Dell, HP/Compaq
Web software applications development tools
Microsoft
Oracle – Sun
Adobe

8. 7. Consulting system integration services
Does not have the staff, the skills, the budget and the necessary experience
To deploy and maintain its entire IT infrastructure
Leading consulting firm
Software integration

9. Contemporary hardware platform trends
The emerging Mobile Digital Platform
Grid Computing
Consumerization of IT and BYOD
Virtualization
Cloud Computing
Green Computing
High-Performance and Power-Saving Processors
Autonomic Computing

10. Contemporary software platform trends
Linux and Open- Source Software
Software for the Web
Web Services and Service Orientated Architecture
Software Outsourcing and Cloud Services

11. Management Issues
An anticipatory, strategic management process that helps organizations detect and respond appropriately to
emerging trends or changes in the socio- political environment.
These trends or changes may then crystallize into an “issue”, which is a situation that evokes the attention and
concern of influential organizational publics and stakeholders.
Issues management argues that organizations should adopt an external focus and enact their environment by
attending to relevant issues.

13. Requirements of effective issues management
Two- way communication
Formal environmental scanning
Active sense- making strategies