Chapter 11
IS/IT MANAGEMENT
Chapter Contents 2
¾ Acquiring Computer Services ¾ Managing Computer Systems ¾ Outsourcing Outsourcing ¾ Managing Outsourcing Arrangement Managing Outsourcing Arrangement ¾ Acquiring Software q g
Acquiring Computer Services Acquiring Computer Services 3
Facilities management
Consultancy firms Used in initial planning stages of project and then where specialist assistance needed
Contracting out of some or all of computer operations to a third party
Types of computer services Software houses Develop software solutions specific to individual user requirements
Input & Output preparation B Bureau specializing i li i OCR, COM and similar input/output methods
Turnkey services Purchase of complete system from vendor – hardware, software, training , etc..
Managing Computer Systems 4
Options in managing computer systems: Manage all hardware and software own staff 2 Hardware and software managed by a firm of outside 2. Hardware and software managed by a firm of outside specialist 3. Have the company’s hardware at premises of the firm of outside specialist used via a communication link t id i li t d i i ti li k Cost Outside suppo t ay be c eape t a ow sta due to: Outside support may be cheaper than own staff due to: 1. More effective at managing technology 2. Economic of scale 1.
Managing Computer Systems ‐ 2 5
Continuity of Supply Ensure continuity of IT system by: 1. Have alternative processing site (in case main one destroy) 2. Maintain appropriate IT skills in company pp p p y Contracting for Services Contract outside company for service when skills not available in Contract outside company for service when skills not available in‐ house. It include: ¾ Training ¾ Studies St di ¾ Support ¾ Management
Outsourcing 6
Key points: ¾ Involves purchasing, from outside the organization, the
service required to perform business functions. i i dt f b i f ti ¾ Similar to facilities management, but has a broader remit. Similar to facilities management but has a broader remit ¾ Normally involves long‐term flexible relationship with y g p
supplier
Type of Outsourcing 7
Type of Outsource Body shop
Project management
Outsourcing to meet short term requirements
Part or all of an specific IS project Total Organization outsources more 70% of IT than 7 capability
Outsourcing ‐ 2 8
Implications for Organizations 1.
No direct management control of outsourcing company.
2.
IS manager now manages contract with service provider – not provision of IS services not provision of IS services.
3.
May be more cost effective than in‐house application y pp development.
Outsourcing ‐ 3 9
Level of external provision of IS services Specific IS service include within outsourcing: 1 1.
Time share vendors: On line access to a shared processing Time share vendors: On line access to a shared processing facility. Charge on time‐used basis.
2.
Service bureaux: Provide specific external service – charge on a used for basis.
3.
Facilities management: external specialist manages the organization’s IS.
Summary of Outsourcing of IS Arrangements y g g 10
Type
Timeshare vendor d
Service b bureaux
Full facilities managementt
Management responsibility
Almost all retained
Some retained
Almost all divested
Relationship
Product purchasing
Service purchasing
Partnership
Length of contract
Short term
Medium term
Long term
Contract focus
Operational tasks
F t Features
Rationale
Cost saving
Strategic services Access to task expertise
Process quality and access to management expertise
Four Approaches to IT Sourcing 11
I sourcing In i Maintain large inhouse IT department and insource – buy-inskills are required
Total sourcing Already di discussed d
Approaches to IT Sourcing g
Multiple – selective sourcing The organization negotiate with a range of suppliers for computer services
Joint venture / strategic alliance Risk an rewards of sourcing shared between company and supplier – normally in joint venture agreement
Arguments For And Against Outsourcing 12
Benefits More rapid response to technology changes
Help provide appropriate international systems
Disadvantages
O Outsourcing i
p Improve return on equity
Retain focus on core b i business
Alleviates short of IT and business professionals
Contract lack in
Possible loss of competitive advantage
Unavoidable cost increase Luck of confidential ity
Dependency on supplier
L Lostt expertise
Difficult contractual terms
Outsourcing and Organizational Learning 13
¾
Outsourcing limits the possibilities for organizational learning because system knowledge is located with the outsourcing company, and not within the organization.
Managing Outsourcing Arrangements – What to Outsource? What to Outsource? 14
System a commodity – is so can it be separated?
Is the system strategic? If Y possible not outsource
Questions to ask with outsourcing Will our IT requirement change? g If Y only short term arrangements
Can system be provided more efficiently in-house? If Y keep in-house
If N because complex interface not outsource
Does company have knowledge to outsource new technology? If N – not outsource until have appropriate internal knowledge
Acquiring Software ‐1 15
Bespoke or tailor-made systems Designed to fit the specific needs of the organization – written in-house or externally
g Advantages: 1. 2. 3. 4.
Fit organization’s needs Organization defines data structure Easy to integrate with other applications Easy to integrate with other applications Modified to fit changes in organization
Disadvantages: 1 1. 2. 3. 4 4.
Long time to develop Long time to develop Costly More bugs Support expensive Support expensive
Acquiring Software ‐2 16
General purpose packages Provide approximate solutions to a range of different problems.
Advantages: Cheap 2. Training readily available 3. Available quickly 4. Used as prototype for bespoke systems 1.
Disadvantages: Not fit precise needs of organization 2. Organization change to meet package 3 Different data structure 3. Diff td t t t 1.
Acquiring Software ‐3 17
Off-the-shelf packages Software solutions purchased fir specific task – used without modoficatiob.
Advantages: Cheap 2. Few bugs 3. Having training included 4. Updates available 1.
Disadvantages: Not fit precise needs of organization 2. Depend outside supplier for updates / amendment 3 Different data structure 3. Diff td t t t 1.
18
Questions?