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Iterations are fixed in length, or timeboxed. Early iterations are farther from the "true path" of the system. Via feedback and adaptation, the system converges towards the most appropriate requirements and design. In late iterations, a significant change in requirements is rare, but can occur. Such late changes may give an organization a competitive business advantage. This period is also where integrations with other services or existing software should occur. The end of the construction phase is measured by the completion of the Initial Operational Capability Milestone , which is based on these criteria:.
The Unified Process Elaboration Phase: Best Practices in Implementing the UP
Easier thought of as deployment , the transition phase is when the finished product is finally released and delivered to customers. However, the transition phase is more than just the process of deployment; it must also handle all post-release support, bug fixes, patches, and so forth. The Product Release Milestone signals the end of the transition phase , and is based on a few simple questions:. The Rational Unified Process also recommends that each of the four above phases be further broken down into iterations , a concept taken from agile and other common iterative development models.
Just as with those other models, in the context of the Rational Unified Process , an iteration simply represents a full cycle of the aforementioned core phases, until a product is released in some form internally or externally.
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From this baseline, the next iteration can be modified as necessary until, finally, a full and complete product is released to customers. No more searching through log files. Capture every bug and error in your app with just a few lines of code.
Manage Requirements : Describes how to organize and keep track of functionality requirements, documentation, tradeoffs and decisions, and business requirements. Use Component-Based Architectures : Emphasizes development that focuses on software components which are reusable through this project and, most importantly, within future projects. Verify Software Quality : Assists with design, implementation, and evaluation of all manner of tests throughout the software development life cycle.
Control Changes to Software : Describes how to track and manage all forms of change that will inevitably occur throughout development, in order to produce successful iterations from one build to the next. The Building Blocks All aspects of the Rational Unified Process are based on a set of building blocks , which are used to describe what should be produced, who is in charge of producing it, how production will take place, and when production is complete. Activities should have a clear purpose, typically by creating or updating artifacts.
Workflows are further divided up in the Rational Unified Process into six core engineering workflows : Business Modeling Workflow : During this workflow, the business context scope of the project should be outlined. Requirements Workflow : Used to define all potential requirements of the project, throughout the software development life cycle. Implementation Workflow : This is where the majority of actual coding takes place, implementing and organizing all the code into layers that make up the whole of the system. Test Workflow : Testing of all kinds takes place within this workflow.
The Unified Software Development Process
Deployment Workflow : Finally, the deployment workflow constitutes the entire delivery and release process, ensuring that the software reaches the customer as expected. There are also three core supporting workflows defined in the Rational Unified Process : Project Management Workflow : Where all activities dealing with project management take place, from pushing design objectives to managing risk to overcoming delivery constraints.
Environment Workflow : Finally, this workflow handles the setup and management of all software development environments throughout the team, including the processes, as well as the tools, that are to be used throughout the software development life cycle. Requirements understanding as evidenced by the fidelity of the primary use cases. Depth and breadth of any architectural prototype that was developed. Actual expenditures versus planned expenditures.
Elaboration Phase The purpose of the elaboration phase is to analyze the requirements and necessary architecture of the system. The Lifecycle Architecture Milestone signifies the end of the elaboration phase , and is evaluated using these criteria: Is the vision of the product stable?
Is the architecture stable? Does the executable demonstration show that the major risk elements have been addressed and credibly resolved? Is the plan for the construction phase sufficiently detailed and accurate?tilesilkafizz.tk
RUP - IBM Rational Unified Process/Phases - Wikibooks, open books for an open world
Is it backed up with a credible basis of estimates? Do all stakeholders agree that the current vision can be achieved if the current plan is executed to develop the complete system, in the context of the current architecture? Is the actual resource expenditure versus planned expenditure acceptable?
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