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Topic: Iterative development


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  Iterative Development
Iterative development mandates that you immediately apply the lessons you've learned on this project to all successive iterations of the same project.
Iterative development insists that you "strike while the iron is hot," even if it involves pain; if you apply the right technique while the pain is still fresh, then everyone involved will remember the lesson better and longer.
With iterative development, which employs risk targeting and meaningful integration and build activity from the first iteration, risk is squeezed out early.
www-128.ibm.com /developerworks/rational/library/2841.html   (4200 words)

  
 Iterative Development - Building Blocks - Lulu.com
In any development, there are some things are within the purview of the workers, while others are beyond their control.
The focus of iterative development is to find the requirements, model them in terms of the underlying data and architecture, extend the base foundation, add in the higher order code, minimize the testing, deploy the code and collect the feedback to merge into a new set of requirements.
Iterative development allows for a tighter integration between the feedback and the next set of development changes.
people.lulu.com /blogs/view_post.php?post_id=22795   (936 words)

  
 Iterative vs. waterfall software development: Why don't companies get it?
Both of these practices fit very well in an iterative development cycle, provide some discipline without slowing the iterations, but provide for a more stable product that can be improved and will lengthen the life span of the software.
Only this single iteration appears on the books as development, while the rest of the iterative development is carried forward as maintenance and support.
[1] The iterative and incremental approaches involve a number of short cycles in which steps such as requirements gathering, coding, testing and deployment, are conducted to produce small parts of the final project.
computerworld.com /printthis/2004/0,4814,90325,00.html   (3932 words)

  
 Iterative Design of User Interfaces (Jakob Nielsen)
Iterative development of user interfaces involves steady refinement of the design based on user testing and other evaluation methods.
In contrast, some development projects follow a more exploratory model where the tasks to be performed with a system may change during the development process as more is learned about the users and their needs.
The developers of the hypertext system therefore conducted a comparative test where a group of test users were asked to perform the same tasks with the printed version of the manual.
www.useit.com /papers/iterative_design   (8456 words)

  
 Software Development: Iterative & Evolutionary > Iterative Development   (Site not responding. Last check: 2007-10-13)
Iterative and evolutionary development is a foundation not only of modern software methods, but—as the history section of the "Evidence" chapter shows—of methods used as far back as the 1960s.
Iterative development is an approach to building software (or anything) in which the overall lifecycle is composed of several iterations in sequence.
Some older process literature [Wong84] used the term “incremental development" to mean a combination of frozen up-front specifications followed by iterative development of the features, but there is no widespread agreement on usage.
www.awprofessional.com /articles/article.asp?p=102256   (505 words)

  
 Success Factors for Iterative Development | Ask MetaFilter   (Site not responding. Last check: 2007-10-13)
Iterative development probably means short periods and fast deadlines.
Iterative development seems to be a feature of Agile development, but could be employed by other methodologies.
Agile development is iterative development taken to a micro-management level.
ask.metafilter.com /mefi/39836   (1023 words)

  
 Iterative development in the field
Iterative development in the field was conducted in all design and implementation stages and on all aspects of the system.
While the general spirit of iterative development in the field is to learn from people doing their actual jobs, it is also prudent to introduce various kinds of “stress tests.” The most obvious of these is load testing; that is, measuring the performance under maximum loads.
ITS, which we developed explicitly to support rapid IDF, is based on separating the specification of application “content” from “style.” The tools themselves served to isolate the impact of changes in content on style, and vice-versa, making iteration cycles relatively simple and safe.
www.research.ibm.com /journal/sj/424/greene.html   (11178 words)

  
 iterative - a definition from Whatis.com   (Site not responding. Last check: 2007-10-13)
As each new iteration is approved, developers may employ a technique known as backwards engineering, which is a systematic review and check procedure to make sure each new iteration is compatible with previous ones.
The advantage of using iterative development is that the end-user is involved in the development process.
Iterative development is sometimes called circular or evolutionary development.
whatis.techtarget.com /definition/0,,sid9_gci519105,00.html   (327 words)

  
 Iterative Software Development
During this project we have experimented both with a prototype based development model, and with a RAD type incremental development model based on timeboxing.
TecPoint (until 2006: Datateknisk Forum) decided that their annual report of 2001 should address how iterative development was done in practice in Denmark.
Introducing and applying iterative development models in an organisation is not a simple process.
inet.uni2.dk /~vinter/engisd.htm   (749 words)

  
 Iterative Development   (Site not responding. Last check: 2007-10-13)
The word "iterative" means that it involves repetition.
Iterative Development is a development approach that "cycles" through the development phases, from gathering requirements to delivering functionality in a working release.
A key differentiation between the traditional WaterFall and the Iterative processes is how the project tasks are boxed in the plan.
c2.com /cgi/wiki?IterativeDevelopment   (428 words)

  
 Iterative Development
Any development work must wait until all the requirements are documented, agreed, and signed off.
Iterative Development is a fundamentally different approach that addresses these issues.
Otherwise, the planning may not be done properly, and the whole Iterative Development fabric unravels.
www.appropriateapproach.com /resources/itdev.html   (881 words)

  
 O'Reilly -- Safari Books Online - 032126889X - Managing Iterative Software Development Projects   (Site not responding. Last check: 2007-10-13)
Iterative development is founded on the recognition that we need an approach that enables us to make progress in the face of change, or perhaps in spite of change.
Iterative development is basically a dynamic planning and management approach that incorporates, even seeks out, new information to manage risks and deliver incremental value continuously throughout the project.
Iterative development provides a solution to these three challenges—it provides an approach that is agile and responsive to the needs of the business while still providing the necessary controls and oversight needed to govern the development process and while fostering the creativity and collaboration needed to solve complex business problems.
safari.oreilly.com /032126889X?a=102682   (2917 words)

  
 java.net: Agile Legacies: Using Iterative Methods to Import Legacy Data
Nevertheless, despite the benefits of an iterative development cycle, this approach is often not applied to the process of importing legacy data.
In iterative development, software is designed, built, and tested incrementally, in a series of "iterations." Each iteration aims to implement a working version of the application with a subset of the requirements.
Iterative development has an important place in use-case-driven, architecture-centric approaches such as the Rational Unified Process (RUP), and in the more lightweight methodologies of the Agile family such as XP (Extreme Programming), Feature-Driven Development, SCRUM, DDSM, and others.
today.java.net /pub/a/today/2006/03/02/agile-legacy-data-import.html   (1803 words)

  
 Iterative and incremental development - Wikipedia, the free encyclopedia
Iterative and Incremental development is a software development process developed in response to the weaknesses of the more traditional waterfall model.
Iterative and incremental development is also an essential part of Extreme Programming and all other agile software development frameworks.
The basic idea behind iterative enhancement is to develop a software system incrementally, allowing the developer to take advantage of what was being learned during the development of earlier, incremental, deliverable versions of the system.
en.wikipedia.org /wiki/Iterative_development   (1810 words)

  
 IT Development - SDM Handbook - Iterative Development - Liberty University   (Site not responding. Last check: 2007-10-13)
It is quite possible that a development team could take those phases and take a waterfall approach to development (that is, a strict sequencing of phases that is focused on fully completing each phase before moving on to the next).
In this scenario, if there are 12 months of features to be developed, the development team takes 2 months for Envisioning, 3 months for Planning, 6 months for Developing, and so on.
This has the benefits of iterative development, without all the overhead and the "fuzzy front end" delays of Envisioning.
www.liberty.edu /informationservices/ilrc/library/index.cfm?pid=6355   (1014 words)

  
 Visions, PDMA's product development e-magazine
An iterative development approach with significant customer feedback was used by Molecular Dynamics to develop a very technically complex product in a very short (9 month) cycle.
The iterative development process eliminates all but a small period of time (a few days or weeks) for implementation which gives companies the ability to rapidly address changes in the market.
While the length of time for final launch of a product using an iterative development process is about the same as launching a product using a waterfall process, the delivered product is of higher value to the customer and to the business.
www.pdma.org /visions/jan00/speed.html   (1367 words)

  
 Hacknot - Book Review: Agile and Iterative Development
He argues that software development does not exhibit the predictability of "predictable manufacturing", and concludes "Since predictable manufacturing is the wrong paradigm for software, practices and values rooted in it are not helpful." That leaves "new product development" as the appropriate paradigmatic model for software development, which equates to agility.
The plethora of development tasks that lie in between those two extremes is ignored, simply because they do not provide a clear-cut analogy for agile development.
Larman concedes that there are problems in applying an iterative or agile approach to the management of a project, given that demand for up-front commitments happens all the time in the modern business world.
www.hacknot.info /hacknot/action/showEntry?eid=63   (1990 words)

  
 Waterfall v Iterative Development
Royce set the scene for iterative development, although it must be recognised that it was not a new concept: other scientific and engineering disciplines had been following an iterative approach for generations, if often informally.
Software development languages and tools, architectural concepts, reusable components, hardware cost and performance, sophisticated modelling techniques - and the maturing of iterative development techniques by a relatively small (and relatively successful) proportion of the development community.
The iterative process adopts the logical sequence of events of the Waterfall model but it follows the full lifecycle several times within a single project.
www.itstartpage.com /article.phtml?id=56   (1192 words)

  
 ABC Virtual Communications, Inc. - West Des Moines, IA:Iterative Development
ABCV adopted an iterative development methodology to address the shortcomings of the Waterfall methodology.
The iterative development methodology is composed of two phases: the first phase comprises scope and risk identification, high-level requirements gathering, functional screen designs, high-level architecture design, and phase two estimates; the second phase comprises finalization of requirements, finalization of architecture and design, development, and testing.
ABCV delivers projects closer to estimated schedules, and the development process is more amenable to the changes in project requirements that occur during the software development lifecycle.
www.bmpcoe.org /bestpractices/internal/abcv/abcv_11.html   (324 words)

  
 Agile software development - Wikipedia, the free encyclopedia
The modern definition of Agile software development evolved in the mid 1990s as part of a reaction against "heavyweight" methods, as typified by a heavily regulated, regimented, micro-managed use of the waterfall model of development.
A case can be made that agile and iterative development methods are a return to development practice seen early in the history of software development [1].
Agile methods differ from iterative methods in that their time period is measured in weeks rather than months and work is performed in a highly collaborative manner.
en.wikipedia.org /wiki/Agile_software_development   (3762 words)

  
 Prentice Hall PTR - 0131111558 - Agile and Iterative Development: A Manager's Guide   (Site not responding. Last check: 2007-10-13)
OverviewThis is the definitive guide for managers and students to agile and iterative development methods: what they are, how they work, how to implement them—and why you should.Using statistically significant research and large-scale case studies, noted methods expert Craig Larman presents the most convincing case ever made for iterative development.
This book also does a nice job of expaling what iterative development is all about as well as discussing which AGMs work particulally well together.
During ages, SW development managers have tried convincing their people to break out of the chaos, and plan their work.
safari.phptr.com /0131111558   (671 words)

  
 Brad Appleton's ACME Blog: Iterative Development Resources   (Site not responding. Last check: 2007-10-13)
As a follow-up to my earlier entry on The Unchangeable Rules of Software Change, one of the things that particular team figured out it needed was to try and use iterative development as a means of managing change and being more responsive to customer feedback while still controlling scope.
So here is a list of resources on the subject of adopting, planning/managing, and doing iterative software development -- particularly for those coming from a background of phased-sequential (waterfall,V) model of planning.
The "Iterative and Evolutionary" URL is actually to chapter 2.
bradapp.blogspot.com /2006/01/iterative-development-resources.html   (516 words)

  
 Applied Software Project Management - Iterative Development and the Efficiency Gap
And while the development team may be able to handle that relatively seamlessly, users tend to move more slowly and be less adaptive or responsive to change.
Any time the development team touches existing code, the testers need to run regression tests to make sure the current behavior is intact.
The question of whether or not to apply iterative development to a particular project can then come down to a question of whether the cost of iteration or phase planning is offset by the gain in flexibility and stakeholder perception.
www.stellman-greene.com /aspm/content/view/58/43   (620 words)

  
 Article info : From Waterfall to Iterative Development
Iterative development is not a magic wand that when waved solves all possible problems or difficulties in software development.
The project manager will actually have a more challenging task, especially during his or her first iterative project, and most certainly during the early iterations of that project, when risks are high and early failure possible.
In this article, I describe some of the challenges of iterative development from the perspective of the project manager.
www.stickyminds.com /se/S3420.asp   (609 words)

  
 Extreme Rules
Iterative Development adds agility to the development process.
Divide your development schedule into about a dozen iterations of 1 to 3 weeks in length.
If it looks like you will not finish all of your tasks then call another iteration planning meeting, re-estimate, and remove some of the tasks.
www.extremeprogramming.org /rules/iterative.html   (235 words)

  
 Gamasutra - Features - "Object-Oriented Game Development: Iterative Development Techniques"
In particular, if we accept (for all the ‘pro' reasons) that milestone-driven development is the way to go then we must also pay attention to the ‘con' side that will inevitably frustrate our attempts to make the process work with the efficiency we require for delivery on time, within budget.
Because it is important to show progress, and development must ensure that to the best of their ability the game has visibly improved from one iteration to the next.
The major mistake of developers when estimating schedule times is that they perform a top-down analysis of the problem, breaking the large, complex tasks into smaller, more manageable ones, and then estimating the times for those.
www.gamasutra.com /features/20050720/gold_01.shtml   (4905 words)

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