Task: Schedule and Assign Work









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Task: Schedule and Assign Work















This tasks describes all the things that must be accomplished for an approved Change Request to be incorporated in the development schedule.






Purpose



The purpose is to accommodate approved changes (defects, enhancements), to product and process, which arise during an iteration.



Relationships



RolesMain:



Project Manager


Additional:
Assisting:



InputsMandatory:



Iteration Plan


Software Development Plan


Optional:



Change Request


External:


None




Outputs


Iteration Plan


Software Development Plan


Work Order






Main Description



The Iteration Plan prepared at the start of the iteration can select only from what is known at the time. This will be an increment of the total capability required (functional and non-functional requirements), and Change Requests left over from previous iterations. The Project Manager can then determine the resources and schedule for the iteration. Allowance for defects should be built into the plan for the iteration, either implicitly, in the effort allocated to the production of a work product, or explicitly, in particular activities. It is recommended that the latter method be adopted and the Rational Unified Process contains tasks to make this possible. Although the priority for fixes is assigned by the Change Control Manager, Project Manager may still exercise some planning discretion in deciding when fixes should be made - but in general, an attempt should be made to correct defects in the iteration in which they are discovered, and it should be possible to do this with the resources planned at the start of the iteration. There will inevitably be some (discovered) defects left unfixed at the end of an iteration (because an iteration should be timeboxed), but for the iteration to be deemed a success, it is not likely that many of these would be severe or rated high priority for other reasons. Little allowance can be made, however, for other than trivial enhancement requests, that arise unexpectedly. If such a Change Request for a substantial enhancement is sanctioned for the current iteration, the Project Manager will almost certainly have to re-plan, either by pushing off some planned capability to the next iteration, or by finding extra resources to make the change. Usually, such requests for enhancements will be held over for the next iteration, or even later ones, and then be made part of the regular iteration planning cycle.



Steps




Allocate Change Request to an Iteration



The Change Request is examined and the Project Manager decides, based on its type, priority and severity, in which iteration it should be fixed. If the Change Request is to be held until a later iteration, the Project Manager simply re-plans the future iterations (in the Software Development Plan), so that the impact of the Change Request is understood now, and resource acquisition tasks can be initiated as early as possible, to avoid unpleasant surprises later.



Assign Responsibility



The Project Manager decides which organizational position(s) should be responsible for implementing the change.



Describe Work and Expected Outputs



The Change Request should already contain a description in outline of the required change (because the Change Request has already been analyzed and approved). This step refines that description into an unambiguous statement of what is to be done and produced.



Budget Effort and other Resources



The Project Manager, in consultation with those responsible for the Change Request, refines the effort and other resource estimates in the Change Request into firm planning estimates, to which the responsible staff are expected to commit.



Set Schedule



If the Change Request is to be implemented in the current iteration, the Project Manager, in consultation with those assigned responsibility, will set a start date and expected duration for the work.



Re-plan



If necessary, the current Iteration Plan is revised, and any impact on future iterations should be reflected in the Software Development Plan. As a result of the re-planning, the Project Manager may have to invoke the  Task: Handle Exceptions and Problems, to bring the project state into line with the new plans, particularly if the current iteration is affected by a resource shortfall or slippage of planned capability to later iterations.



Issue Work Order



The Work Order(s) defining the work to be done, schedule, responsibility, and so on, are issued by the Project Manager. The activity (in the work breakdown structure) against which the effort is budgeted, is identified in the Work Order.







Properties



Multiple Occurrences


Event Driven


Ongoing


Optional


Planned


Repeatable



More Information



Guidelines


Estimating Effort Using the Wide-Band Delphi Technique








©  Copyright IBM Corp. 1987, 2006.  All Rights Reserved.







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