Project Management

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Presentation Transcript

Slide 1: 

Project management

Objectives : 

Objectives To explain the main tasks undertaken by project managers To introduce software project management and to describe its distinctive characteristics To discuss project planning and the planning process To show how graphical schedule representations are used by project management To discuss the notion of risks and the risk management process

Topics covered : 

Topics covered Management activities Project planning Project scheduling Risk management

Software project management : 

Concerned with activities involved in ensuring that software is delivered on time and on schedule and in accordance with the requirements of the organisations developing and procuring the software. Project management is needed because software development is always subject to budget and schedule constraints that are set by the organisation developing the software. Software project management

Software management distinctions : 

The product is intangible. The product is uniquely flexible. Software engineering is not recognized as an engineering discipline with the sane status as mechanical, electrical engineering, etc. The software development process is not standardised. Many software projects are 'one-off' projects. Software management distinctions

Management activities : 

Proposal writing. Project planning and scheduling. Project costing. Project monitoring and reviews. Personnel selection and evaluation. Report writing and presentations. Management activities

Management commonalities : 

These activities are not peculiar to software management. Many techniques of engineering project management are equally applicable to software project management. Technically complex engineering systems tend to suffer from the same problems as software systems. Management commonalities

Project staffing : 

Project staffing May not be possible to appoint the ideal people to work on a project Project budget may not allow for the use of highly-paid staff; Staff with the appropriate experience may not be available; An organisation may wish to develop employee skills on a software project. Managers have to work within these constraints especially when there are shortages of trained staff.

Project planning : 

Project planning Probably the most time-consuming project management activity. Continuous activity from initial concept through to system delivery. Plans must be regularly revised as new information becomes available. Various different types of plan may be developed to support the main software project plan that is concerned with schedule and budget.

Types of project plan : 

Types of project plan

Project planning process : 

Project planning process Establish the project constraints Make initial assessments of the project parameters Define project milestones and deliverables while project has not been completed or cancelled loop Draw up project schedule Initiate activities according to schedule Wait ( for a while ) Review project progress Revise estimates of project parameters Update the project schedule Re-negotiate project constraints and deliverables if ( problems arise ) then Initiate technical review and possible revision end if end loop

The project plan : 

The project plan The project plan sets out: The resources available to the project; The work breakdown; A schedule for the work.

Project plan structure : 

Project plan structure Introduction. Project organisation. Risk analysis. Hardware and software resource requirements. Work breakdown. Project schedule. Monitoring and reporting mechanisms.

Activity organization : 

Activity organization Activities in a project should be organised to produce tangible outputs for management to judge progress. Milestones are the end-point of a process activity. Deliverables are project results delivered to customers. The waterfall process allows for the straightforward definition of progress milestones.

Milestones in the RE process : 

Milestones in the RE process

Project scheduling : 

Project scheduling Split project into tasks and estimate time and resources required to complete each task. Organize tasks concurrently to make optimal use of workforce. Minimize task dependencies to avoid delays caused by one task waiting for another to complete. Dependent on project managers intuition and experience.

The project scheduling process : 

The project scheduling process

Scheduling problems : 

Scheduling problems Estimating the difficulty of problems and hence the cost of developing a solution is hard. Productivity is not proportional to the number of people working on a task. Adding people to a late project makes it later because of communication overheads. The unexpected always happens. Always allow contingency in planning.

Bar charts and activity networks : 

Bar charts and activity networks Graphical notations used to illustrate the project schedule. Show project breakdown into tasks. Tasks should not be too small. They should take about a week or two. Activity charts show task dependencies and the the critical path. Bar charts show schedule against calendar time.

Task durations and dependencies : 

Task durations and dependencies

Activity network : 

Activity network

Activity timeline : 

Activity timeline

Staff allocation : 

Staff allocation

Risk management : 

Risk management Risk management is concerned with identifying risks and drawing up plans to minimise their effect on a project. A risk is a probability that some adverse circumstance will occur Project risks affect schedule or resources; Product risks affect the quality or performance of the software being developed; Business risks affect the organisation developing or procuring the software.

Software risks : 

Software risks

The risk management process : 

The risk management process Risk identification Identify project, product and business risks; Risk analysis Assess the likelihood and consequences of these risks; Risk planning Draw up plans to avoid or minimise the effects of the risk; Risk monitoring Monitor the risks throughout the project;

The risk management process : 

The risk management process

Risk identification : 

Risk identification Technology risks. People risks. Organisational risks. Requirements risks. Estimation risks.

Risks and risk types : 

Risks and risk types

Risk analysis : 

Risk analysis Assess probability and seriousness of each risk. Probability may be very low, low, moderate, high or very high. Risk effects might be catastrophic, serious, tolerable or insignificant.

Risk analysis (i) : 

Risk analysis (i)

Risk analysis (ii) : 

Risk analysis (ii)

Risk planning : 

Risk planning Consider each risk and develop a strategy to manage that risk. Avoidance strategies The probability that the risk will arise is reduced; Minimisation strategies The impact of the risk on the project or product will be reduced; Contingency plans If the risk arises, contingency plans are plans to deal with that risk;

Risk management strategies (i) : 

Risk management strategies (i)

Risk management strategies (ii) : 

Risk management strategies (ii)

Risk monitoring : 

Risk monitoring Assess each identified risks regularly to decide whether or not it is becoming less or more probable. Also assess whether the effects of the risk have changed. Each key risk should be discussed at management progress meetings.

Risk indicators : 

Risk indicators

Key points : 

Key points Good project management is essential for project success. The intangible nature of software causes problems for management. Managers have diverse roles but their most significant activities are planning, estimating and scheduling. Planning and estimating are iterative processes which continue throughout the course of a project.

Key points : 

A project milestone is a predictable state where a formal report of progress is presented to management. Project scheduling involves preparing various graphical representations showing project activities, their durations and staffing. Risk management is concerned with identifying risks which may affect the project and planning to ensure that these risks do not develop into major threats. Key points