Project Management Life Cycle Models

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Before I start discussing the five project management life cycle models, it is very important to understanding below project management landscape and its four Quadrants: Quadrants 1: Contains Traditional Project Management (TPM), this approach has a clear project goal and clear project solution. Quadrants 2: Contains Agile Project Management (APM), this approach has a clear project goal and not clear project solution. Quadrants 3: Contains Extreme Project Management (xPM), in this approach both project goal and project solution are not clear solution. Quadrants 4: Contains Emertxe Project Management (PMx), this approach has not clear project goal and clear project solution.

According to (Wysocki, 2012) there are five Project Management Life Cycle (PMLC) models that can be used to manage and execute different types of projects. Each PMLC model has different project management approach in the sequencing of the five process groups; scoping, planning, launching, Monitoring & controlling, and closing. The five PMLC models are: 1)Linear

2)Incremental
3)Iterative
4)Adaptive
5)Extreme

Below are the five PMLC models and potential risks and failures associated with each model and its mitigation strategies:

1)Linear PMLC:
This model is the simplest PMLC model, it is based on the TPM approach. In the linear model the relationship between the five process group is follow the sequential style. The sequential relationship means that the planning process can not start before the completion of the scoping process, the launching process can not start before the completion of the planning process, the monitor and control process can not start before the completion of the planning process, and the closing process can not start before the completion of the monitor and control process.

Risks, failures, and mitigation strategy:
According to (Wysocki, 2012) below are the risk and mitigation strategy for this model:
One of the major risks related to linear PMLC is that linear PMLC does not accommodate changes to the scope. Since there is a big possibility to have changes in most of the projects, it is very important to have the capability to accommodate those changes. To mitigate this risk, project manager should develop a methodology to manage and control changes. •Linear PMLC is costly and this high cost is a result of the client's late review and comments. To mitigate this risk, project manager should have proper planning for client's review, comments, and testing. •Linear PMLC takes too long before deliverables are produced. This risk is a result of late client's review and comments which will require additional time and budget to review, evaluate, and incorporate the client's comments or changes. To mitigate this risk the project manager should consider those late change requests in his cost and schedule management plans

2)Incremental PMLC:
'Incremental model approach is also based on TPM approach, it consist of multiple dependant increments that are completed in a prescribed sequence. Each increment includes a lunching, monitoring and controlling, and closing processes group for the functions and features in that increment only. Each increment integrates additional parts of the solution until the final increment, where the remaining parts of the solution are integrated' (Wysocki, 2012).

Risks, failures, and mitigation strategy:
According to (Wysocki, 2012) below are the risks and mitigation plan for this model:

The team may not be intact between increments. The long time between increments will cause losing some of the project team members. Example: if a design engineer completed his design and sits doing nothing, there is a big possibility to move him to another project. This will result to bring another design engineer to the project and this new design engineer may not be familiar with the initial design strategy. To mitigate this risk we should develop a proper plan of...
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