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:computer: L & L Infosys CH 5: IT INFRASTRUCTURE AND EMERGING…
:computer:
L & L Infosys CH 5: IT INFRASTRUCTURE AND EMERGING TECHNOLOGY
What is IT infrastructure?
The technology perspective
hardware, software
The services perspective
various services: consulting, educating, training
Components of an IT infrastructure
Internet Platforms
Web servers
all from pg 208 to 212
Computer hardware platfoms
provides computing services that creates a coherent digital environment through connecting various individuals
includes things like mobiles, laptops, mainframes, PCs
OS platforms
windows, linux, macOS
Enterprise Software platforms
Application software services to provide ERP, CRM, SCM, KMS
Data management and storage
stores, manages and provides analysing tools for business data
Network/Telecomms platforms
video, audio, data connectivity to suppliers, customer and employees
Consulting and System Integration services
education services to provide in-house training
Definition in chapter 1: 'the shared technology resources that provide the platform for the firm's specific information system applications'
What are the drivers of IT infrastructure helping its evolution?
Moore's Law and microprocessing power
"the number of components in a chip with the smallest manufacturing costs per component doubles each year" L&L
Metcalfe's Law
a network's impact is the square of the number of nodes in the network
as more and more people join the network, there are
network externalities
generated
Network Economics
tech standards - compatibility, communication protocols, standard computing platforms like mac and windows
Declining Communication costs
2000: over $300
2018 - 1MB of of internet access cost $2.60
Now: ?? research
Law of Mass Digital Storage (Changing Technology standards)
the amount of data by kilobytes that can be stored on magnetic media for $1 roughly doubles every 15 months.
Current trends
In computer hardware
Evolving mobile platforms
wearable computing devices, docked desktops, etc
Consumerization of IT and BYOD
212
Cloud Computing
pg 215
IaaS
PaaS
SaaS
Virtualization
215
Green computing
221
Multi-core processors
In computer software
What is Open Source software? And what are their business benefits?
Linux
222
Java and HTML5: why are they so important?
223
Web services and role played by XML
224
What are the three external sources for software?
Software mashups and apps
225 to 227
Challenges of managing IT infrastructure
Dealing with platform and infrastructure change
What is meant by
scalability?
the ability of computer infrastructure to serve large number of users without breaking down
What is Mobile Device Management? (MDM)
monitoring and managing mobile devices that are used across multiple operating mobile systems across the firm and deployes business-wide with multiple service providers
Management and Governance
who will control and manage the firm's IT infrastructure? See CH 2 for details
Explain why the level of IT infrastructure investment is a crucial decision for an organization? And what kind of decisions are they?
Total Cost of Ownership of Assets
A total cost of ownership (TCO) model of storage:
analyses costs with purchasing and running IT equipment to understand customer purchasing behaviour
Competitive Forces Model for IT infrastructure Investment
Market demand for firm services
who is demanding what from your firm?
any complaints? what specific demand are you facing?
Firm's business objective
analyse firm's five year strategy
Firm's IT strategy and cost
tco model + align it with business objectives
IT assessment
at the edge of IT or behind?
being at the edge: can't spend too much money on experimental IT
behind: allot more investment and break path dependency in order to revolutionize tech in the firm
Competitor firm services
compare your service quality to competitors: see reviews, what tech do they offer, and how to excel beyond them
Competitor's investment in IT
check SEC Form 10-K annual reports for competitor investment in IT
benchmark investments against others