Copyright © 2012 by The McGraw-Hill Companies, Inc. All rights reserved. McGraw-Hill/Irwin CHAPTER FIVE INFRASTRUCTURES: SUSTAINABLE TECHNOLOGIES CHAPTER FIVE INFRASTRUCTURES: SUSTAINABLE TECHNOLOGIES
5-2 THE BUSINESS BENEFITS OF A SOLID MIS INFRASTRUCTURE MIS infrastructure – Includes the plans for how a firm will build, deploy, use, and share its data, processes, and MIS assets Hardware Software Network Client Server
5-3 SUPPORTING OPERATIONS: INFORMATION MIS INFRASTRUCTURE Backup and recovery plan Disaster recovery plan Business continuity plan
5-4 BACKUP AND RECOVERY PLAN Backup – An exact copy of a system’s information Recovery – The ability to get a system up and running in the event of a system crash or failure Fault tolerance Failover Failback
5-5 BACKUP AND RECOVERY PLAN Disaster recovery plan - A detailed process for recovering information or an IT system in the event of a catastrophic disaster such as a fire or flood Disaster recovery cost curve - Charts (1) the cost to the organization of the unavailability of information and technology and (2) the cost to the organization of recovering from a disaster over time
5-6 BACKUP AND RECOVERY PLAN Hot site - A separate and fully equipped facility where the company can move immediately after a disaster and resume business Cold site - A separate facility that does not have any computer equipment, but is a place where employees can move after a disaster Warm site – A separate facility with computer equipment that requires installation and configuration
5-7 BUSINESS CONTINUITY PLAN Business continuity planning (BCP) - A plan for how an organization will recover and restore partially or completely interrupted critical function(s) within a predetermined time after a disaster or extended disruption Emergency notification services
5-8 SUPPORTING CHANGE: AGILE MIS INFRASTRUCTURE Characteristics of an agile MIS infrastructure Accessibility Availability Maintainability Portability Reliability Scalability Usability
5-9 MIS AND THE ENVIRONMENT Moore’s Law - Refers to the computer chip performance per dollar doubles every 18 months Sustainable, or “green,” MIS - Describes the production, management, use, and disposal of technology in a way that minimizes damage to the environment Corporate social responsibility - Companies’ acknowledged responsibility to society
5-10 MIS AND THE ENVIRONMENT Three Primary Side Effects Of Businesses’ Expanded Use Of Technology
5-11 SUPPORTING THE ENVIRONMENT: SUSTAINABLE MIS INFRASTRUCTURE The components of a sustainable MIS infrastructure include Grid computing Cloud computing Virtualized computing
5-12 GRID COMPUTING Grid computing - A collection of computers, often geographically dispersed, that are coordinated to solve a common problem
5-13 CLOUD COMPUTING Cloud computing - Refers to the use of resources and applications hosted remotely on the Internet
5-14 VIRTUALIZED COMPUTING Virtualization - Creates multiple “virtual” machines on a single computing device
5-15 VIRTUALIZED COMPUTING Data center – A facility used to house management information systems and associated components, such as telecommunications and storage systems Sustainable data centers Reduces carbon emissions Reduces required floor Space Chooses Geographic location