IT Infrastructure Hardware and software IT and Human resources Computing platforms Telecommunications services Data management services Application software services Physical facilities management services ID: 782606
Download The PPT/PDF document "Chapter 5 IT Infrastructures and Emergin..." is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.
Slide1
Chapter 5
IT Infrastructures and Emerging Technologies
Slide2IT Infrastructure
Hardware and software (IT), and Human resources
Computing platforms
Telecommunications services
Data management services
Application software services
Physical facilities management services
IT management services
IT standards service
IT education
IT research
Slide3Terms
Mainframe computer
Mini computer
Supercomputer
Personal computer
Slide4Slide5Evolution
Mainframe and Minicomputer Era
Personal Computer Era
Client/Server Era
Enterprise Computing Era
Cloud and Mobile Computing Era
Cloud computing – model/provides access to a shared pool of computing resources over a network (most commonly Internet)
Slide6Servers
Server
– computer/provides software and other resources to other computers over a network
Blade Server
Web Server
Application
ServerServer racks
Slide7Technology Drivers of Infrastructure Evolution
Moore’s Law
Nanotechnology
The Law of Mass Digital Storage
Metcalfe’s Law and Network Economics
Declining Communication Costs and the Internet
Other: technology standards
Slide87 Major Infrastructure Components
Slide9Terms
Operating System
Web hosting service
Legacy systems
Slide10Hardware Platform trends
Mobile Digital Platform
Grid Computing (Geographically dispersed; connecting to a single network) Ex:
SETI
,
GridCafe
Virtualization (presenting computer resources so they can all be accessed in ways not restricted to physical or geographical location)
Slide11Hardware Platform Trends (cont)
Cloud Computing
Public
vs
Private
Green Computing
Autonomic Computing (organization-wide initiative; develop systems that can fix themselves)High performance and Power saving processorsMulticore processors (perform reading and execution of computer instructions; two or more attached)
Slide12Software Platform Trends
Linux and Open Source Software
Software for the Web: Java and Ajax
Web Services and Service-Oriented Architecture
Web services
– loosely coupled software components; exchange information using universal web communication standards
XML – Extensible Markup LanguageHTML – Hypertext Markup LanguageSOA – Service Oriented Architecture (collection of web services; used to build a firm’s software system)
Slide13Software Platform Trends (cont)
Software Outsourcing
Software package
Enterprise software
Software outsourcing
Cloud Services
SaaSService-level agreement (SLA)Mashups and Apps
Slide14XML Example
Slide15Management Issues
Platform and Infrastructure change
Scalability
Management and governance
Making Wise Infrastructure Investments
Total cost of ownership (TOC)
Competitive Forces Model for IT Infrastructure Investment