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System Development Life Cycle (SDLC)

Discuss System Development Life Cycle (SDLC) within the Infosystems MIS forums, part of the Resolve Your Query - Get Help and discuss Projects category; It was a nice go through. could have been better along with some examples. Advertisements...

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Re: System Development Life Cycle (SDLC)
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sbacharjee
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Re: System Development Life Cycle (SDLC) - March 1st, 2010

It was a nice go through. could have been better along with some examples.
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Re: System Development Life Cycle (SDLC)
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Re: System Development Life Cycle (SDLC) - April 14th, 2010

thanks a lot for the materials

why people copy and paste the same many times in this page
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Re: System Development Life Cycle (SDLC)
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Abhijeet S
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Re: System Development Life Cycle (SDLC) - July 1st, 2010

hey friend, check out the ppt on SDLC .....
i hope it can be helpful...

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File Type: ppt 21894887-system-development-life-cycle-Presentation.ppt (680.5 KB, 20 views)


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Re: System Development Life Cycle (SDLC)
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Nikita Shetty
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Re: System Development Life Cycle (SDLC) - December 25th, 2010

thnks for sharing this..
really good work
regards
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Re: System Development Life Cycle (SDLC)
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F G
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Re: System Development Life Cycle (SDLC) - October 10th, 2013

I suggest that this SDLC is not one that is commonly used because it uses vague phases, like "Implementation." Good SDLCs break phases out by clear purpose...

- Strategy
- Research & Analysis
- Planning
- Requirements
- Design
- Federated Building
- Common/Centralized Build
- Systems Integration Testing
- User Acceptance Testing
- Performance Testing
- Training & Education
- Production
- Disaster Recovery
- Closing

I hope this helps.
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Re: System Development Life Cycle (SDLC)
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F G
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Re: System Development Life Cycle (SDLC) - October 12th, 2013

Here is a link to a more common SDLC Framework that includes things like alignment to Environments, Deployment Functions, and IT Projects.

As mentioned, the phases are:
  1. Inception and Strategy: Develop Release Strategy
  2. Research and Analysis: Develop Solutions Options
  3. Planning: Develop Release Plans
  4. Requirements: Requirements Gathering and Analysis
  5. Design: Detailed Design & Engineering
  6. Build and Procurement: Procurement and Federated Building/Coding
  7. Common/Centralized Build: Merge of all Federated Builds into one common build
  8. Systems Integration Testing: Check that integrations work (technically work)
  9. User Acceptance Testing: Functional Testing of Business Requirements
  10. Production: Deploy to Customers and End Users
  11. Disaster Recovery: Deploy to DR solution
  12. Close: End of Release and Postmortem

It's important to understand that when use very vague words to name your SDLC Phases like "Development" and "Implementation," you are using naming conventions that are unclear to the people who work within and across each of the phases. For example, in a Small Enterprise, "Development" means doing all work across all phases because there are only a few people to do the work. Also, "Implementation" is something that is done in every Environment.

Also, "Testing" is not only done in a single phase. It's something you do in multiple phases. You test in...
  • Research and Analysis Phase: (Usually only basic testing of the environment and the tools in the environment)
  • Procurement & Build Phase: Unit and Module Testing
  • Common/Centralized Build Phase: Build Testing, Unit Testing, and Module Testing
  • Systems Integration Testing Phase: Build Testing, Unit Testing, Module Testing, and Integration Testing
  • User Acceptance Testing Phase: Build Testing, Unit Testing, Module Testing, Integration Testing, and User Acceptance Testing
  • Performance Testing Phase (If you need this phase): Build Testing, Performance Testing
  • Security Penetration Testing Phase (If you need this phase): Usually performed only in production environment
  • Product Phase: Production Integrity Tests
  • Disaster Recovery Phase: DR Testing

The above are explicit phase related testing examples. Within each phase are also the testing functions that are directly aligned with each of the deployment functions. So, for every phase that you Deploy software and/or systems to, you have to perform and re-perform testing of each separate Deployment Function within that Phase. For example:

Deployment Functions:
  • Build -> Build Testing
  • Package -> Package Testing
  • Distribute -> Distribution Testing
  • Install -> Installation Testing
  • Instantiate -> Instantiation Testing
  • Initialize -> Initialization Testing
  • Execute -> Execution Testing

As mentioned, the above gets repeated in every phase that has an Environment that you would deploy your Assets (Software and/or Systems) to.

Something to keep in mind is that...
  • a Bad SDLC uses vague phase naming conventions that confuse stakeholders.
  • a Good SDLC uses strong and relevant naming conventions for phases that make things clear to stakeholders.

I hope this helps.
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Re: System Development Life Cycle (SDLC)
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Amar P
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Re: System Development Life Cycle (SDLC) - July 4th, 2014

thanks a lot buddy. the project was awesome n a good help
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Re: System Development Life Cycle (SDLC)
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Business Education
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Re: System Development Life Cycle (SDLC) - May 27th, 2015

The systems development life cycle (SDLC), also referred to as the application development life-cycle, is a term used in systems engineering, information systems and software engineering to describe a process for planning, creating, testing, and deploying an information system.Here are some advantages given below:


1)System Development Life Cycle allows maximum management control.
2)Builds considerable system documentation.
3)system requirements can be traced back to stated business requirements.
4)It allows products to be reviewed to see whether they meet the userís needs and conform to standards.
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