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Understanding
Internetworking Infrastructure
Announcements
• Business Analysis Proposal due Tuesday next
week
• Business Plan explained today

2
Business Plan Project
• The objective of this project is to put together a
business plan that sets out the strategic
direction for a company utilizing information
technology.
• The two primary objectives are:
– To make realistic projections of opportunities and
risks
– To present these in a compelling way that would
attract funding and support from the organization
3
Options
• Option 1:
– Choose your own

• Option 2
– One-number dialing solution

• Option 3
– Campus transportation network

4
Option 1: Your own startup idea
• Be creative, use this opportunity to explore an
idea you have
• Focus on document you would present to
venture capitalist

5
Option 2: One-number voice
communication
• You have developed software to integrate all of the voice
connections in someone’s life
–
–
–
–
–

home phone
work phone
mobile phone
online voice account
Other?

• Each user can set the system to recognize where you are, and
one integrated voicemail system consolidates messages in one
location.
• Business plan should include
–
–
–
–
–

Product release strategy
Target market segments
Potential revenue and costs
Risks
Alternative potential fee structures, and which you anticipate would be
the most attractive
6
Option 3: Campus Transportation
Management System
• You have been assigned by the director of operations for TAPS
on campus to run a more cost-effective, efficient bus service.
• You have developed a system where the current combination of
city buses and campus transport would be enhanced by
– Detailed forecasting of demand as well as
– Online response to fluctuations.
– (For example,
• this could involve a less structured timetable, and more back-up capacity.
• by installing cameras at each bus stop to monitor how many people are
waiting, the manager could send extra buses in response to high demand.

• Create a business plan of
– how a program like this could be released,
– including the technology requirements and costs.
– Pay attention to risks to the existing infrastructure including what
partnerships would need to be entered into.
7
Business Plan should include
• Executive Summary
– Less than a page overview of the idea

• Customer Need and Business Opportunity
– An argument for the potential of the product or idea

• Business Strategy and Key Milestones
– Plan a timeline over about five years

• Marketing Plan
– Who is the intended customer?
– How will you convince them to adopt the product?

• Operations Plan
– What is needed to pull this off?

• Management and Key Personnel
– How many people
– How will the organization be structured, and what changes are needed?
– Give brief profiles of key individuals

• Financial Projections

8
Estimates
• You are not expected to know exact numbers
for costs etc. but the estimates should be
realistic.
• Use charts and tables wherever appropriate.
Venture capitalists and CEO’s do not like to do
more work than they have to in evaluating.

9
Due date(s)
• Project Due date: May 24
• Optional Early Draft: May 15 (for instructor
feedback)

10
Today: Understanding Network
Infrastructure
• Module 2 of text
• ’75% of all IT dollars to go Infrastructure. Isn’t it
time you learned what it is?’
– IBM ad campaign

11
Key trends
•
•
•
•

More reliance on IT infrastructure
New services
Distributed Processing
New business models

12
Challenges
• Poor IT decisions lead to
– Products with insufficient support
– Relying on outdated protocols/systems

• Technology / management divide
– Who makes decisions?

13
Fig. 5.1 Moore’s Law

14
1980’s
• PC released
• People moved jobs to computers
• No longer needed staff for computing/data
processing
• LANs allowed people to share files, printers etc.
• IT services provided over distributed servers

15
1990’s
• Internet boom
• TCP/IP provided robust standard for messages
between all computers on web
• Network resources available to individuals

16
Fig 5.2 Evolution of Corporate IT
Infrastructure

17
Fig 5.3 Metcalfe’s Law
“The usefulness of a network increases with the
square of the number of users connected to the
network”

18
Fig 5.4 Bandwidth Explosion
Growth faster than computer chips

19
Components of Internetworking
Infrastructure
• Network
– Hardware/software that permit exchange of information
between processing units and organizations

• Processing Systems
– Hardware/software providing ability to handle business
transactions

• Facilities
– Physical systems that house and protect devices

• Trend: Increasing freedom to manage resources
• See table 5.1
20
Table 5.1: Fundamental components of
internetworking infrastructure

21
Networks
• Local Area Networks (LANs)
• Hubs, switches, wireless access points,
network adapters
• Wide Area networks (WANs)
• Routers
• Firewalls, Security Systems
• Caching, Content Acceleration

22
Fig 5.5 LAN

23
Fig 5.6 WAN

24
Processing Systems
•
•
•
•
•
•

Client Devices and Systems
Server Devices and Systems
Mainframe Devices and Systems
Middleware
Infrastructure Management Systems
Business Applications

25
Fig 5.7 Servers in typical E-commerce
configuration

26
Facilities
•
•
•
•
•

Buildings, physical space
Network Conduits, connections
Power
Environmental Controls
Security

27
Fig 5.8 Modern Data Center

28
Questions, Break, Presentation

29
Discussion
• How much does a typical manager understand
of computing networks?
• What educational opportunities are there?

30
Operational Characteristics if
Internetworking
• Internetworking Technologies are Based on
Open Standards
• Internetworking Technologies operate
asynchronously
• Internetworking communications have inherent
latency
• Internetworking technologies are naturally
decentralized
• Internetworking technologies are scalable
• See tables 5.2, 5.3
31
Table 5.2: Measuring Network
Bandwidth

32
Table 5.3: Communication Technology,
Bandwidths and User Groups

33
Business Implications
•
•
•
•
•

Quicker communications leads to efficiency
More data leads to better-informed decisions
Progress of processes become transparent
Processes more efficient
Make and sell becomes sense and respond

34
Threats
• Automation can lead to chain reaction,
cascading failures
• Outside attacks
• See table 5.4

35
Table 5.4: Denial of Service Attacks

36
New service models
• Physical location of computers less important
• Economies of scale for particular services
• New capabilities must be integrated into
existing systems
– Deal with legacy technology

• Reliability must improve
– See next case!

37
Discussion: Outsourcing
• What about outsourcing of infrastructure?

38
Case Thursday
• iPremier
• Made-up case of IT failure

39
Office hours today

40

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understanding networked infrastructure

  • 2. Announcements • Business Analysis Proposal due Tuesday next week • Business Plan explained today 2
  • 3. Business Plan Project • The objective of this project is to put together a business plan that sets out the strategic direction for a company utilizing information technology. • The two primary objectives are: – To make realistic projections of opportunities and risks – To present these in a compelling way that would attract funding and support from the organization 3
  • 4. Options • Option 1: – Choose your own • Option 2 – One-number dialing solution • Option 3 – Campus transportation network 4
  • 5. Option 1: Your own startup idea • Be creative, use this opportunity to explore an idea you have • Focus on document you would present to venture capitalist 5
  • 6. Option 2: One-number voice communication • You have developed software to integrate all of the voice connections in someone’s life – – – – – home phone work phone mobile phone online voice account Other? • Each user can set the system to recognize where you are, and one integrated voicemail system consolidates messages in one location. • Business plan should include – – – – – Product release strategy Target market segments Potential revenue and costs Risks Alternative potential fee structures, and which you anticipate would be the most attractive 6
  • 7. Option 3: Campus Transportation Management System • You have been assigned by the director of operations for TAPS on campus to run a more cost-effective, efficient bus service. • You have developed a system where the current combination of city buses and campus transport would be enhanced by – Detailed forecasting of demand as well as – Online response to fluctuations. – (For example, • this could involve a less structured timetable, and more back-up capacity. • by installing cameras at each bus stop to monitor how many people are waiting, the manager could send extra buses in response to high demand. • Create a business plan of – how a program like this could be released, – including the technology requirements and costs. – Pay attention to risks to the existing infrastructure including what partnerships would need to be entered into. 7
  • 8. Business Plan should include • Executive Summary – Less than a page overview of the idea • Customer Need and Business Opportunity – An argument for the potential of the product or idea • Business Strategy and Key Milestones – Plan a timeline over about five years • Marketing Plan – Who is the intended customer? – How will you convince them to adopt the product? • Operations Plan – What is needed to pull this off? • Management and Key Personnel – How many people – How will the organization be structured, and what changes are needed? – Give brief profiles of key individuals • Financial Projections 8
  • 9. Estimates • You are not expected to know exact numbers for costs etc. but the estimates should be realistic. • Use charts and tables wherever appropriate. Venture capitalists and CEO’s do not like to do more work than they have to in evaluating. 9
  • 10. Due date(s) • Project Due date: May 24 • Optional Early Draft: May 15 (for instructor feedback) 10
  • 11. Today: Understanding Network Infrastructure • Module 2 of text • ’75% of all IT dollars to go Infrastructure. Isn’t it time you learned what it is?’ – IBM ad campaign 11
  • 12. Key trends • • • • More reliance on IT infrastructure New services Distributed Processing New business models 12
  • 13. Challenges • Poor IT decisions lead to – Products with insufficient support – Relying on outdated protocols/systems • Technology / management divide – Who makes decisions? 13
  • 15. 1980’s • PC released • People moved jobs to computers • No longer needed staff for computing/data processing • LANs allowed people to share files, printers etc. • IT services provided over distributed servers 15
  • 16. 1990’s • Internet boom • TCP/IP provided robust standard for messages between all computers on web • Network resources available to individuals 16
  • 17. Fig 5.2 Evolution of Corporate IT Infrastructure 17
  • 18. Fig 5.3 Metcalfe’s Law “The usefulness of a network increases with the square of the number of users connected to the network” 18
  • 19. Fig 5.4 Bandwidth Explosion Growth faster than computer chips 19
  • 20. Components of Internetworking Infrastructure • Network – Hardware/software that permit exchange of information between processing units and organizations • Processing Systems – Hardware/software providing ability to handle business transactions • Facilities – Physical systems that house and protect devices • Trend: Increasing freedom to manage resources • See table 5.1 20
  • 21. Table 5.1: Fundamental components of internetworking infrastructure 21
  • 22. Networks • Local Area Networks (LANs) • Hubs, switches, wireless access points, network adapters • Wide Area networks (WANs) • Routers • Firewalls, Security Systems • Caching, Content Acceleration 22
  • 25. Processing Systems • • • • • • Client Devices and Systems Server Devices and Systems Mainframe Devices and Systems Middleware Infrastructure Management Systems Business Applications 25
  • 26. Fig 5.7 Servers in typical E-commerce configuration 26
  • 27. Facilities • • • • • Buildings, physical space Network Conduits, connections Power Environmental Controls Security 27
  • 28. Fig 5.8 Modern Data Center 28
  • 30. Discussion • How much does a typical manager understand of computing networks? • What educational opportunities are there? 30
  • 31. Operational Characteristics if Internetworking • Internetworking Technologies are Based on Open Standards • Internetworking Technologies operate asynchronously • Internetworking communications have inherent latency • Internetworking technologies are naturally decentralized • Internetworking technologies are scalable • See tables 5.2, 5.3 31
  • 32. Table 5.2: Measuring Network Bandwidth 32
  • 33. Table 5.3: Communication Technology, Bandwidths and User Groups 33
  • 34. Business Implications • • • • • Quicker communications leads to efficiency More data leads to better-informed decisions Progress of processes become transparent Processes more efficient Make and sell becomes sense and respond 34
  • 35. Threats • Automation can lead to chain reaction, cascading failures • Outside attacks • See table 5.4 35
  • 36. Table 5.4: Denial of Service Attacks 36
  • 37. New service models • Physical location of computers less important • Economies of scale for particular services • New capabilities must be integrated into existing systems – Deal with legacy technology • Reliability must improve – See next case! 37
  • 38. Discussion: Outsourcing • What about outsourcing of infrastructure? 38
  • 39. Case Thursday • iPremier • Made-up case of IT failure 39

Editor's Notes

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