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• • • Agile software development describes a set of values and principles for under which requirements and solutions evolve through the collaborative effort of self-organizing. It advocates adaptive planning, evolutionary development, early delivery, and continuous improvement, and it encourages rapid and flexible response to change. These principles support the definition and continuing evolution of many. The term agile (sometimes written Agile) was popularized by the, which defines those values and principles. Agile continue to evolve, two of the most widely used being and. Contents • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • History [ ] Iterative and incremental software development methods can be traced back to 1957.
Evolutionary project management and adaptive software development emerged in the early 1970s. During the 1990s, a number of lightweight software development methods evolved in reaction to the prevailing heavyweight methods that critics described as heavily regulated, planned, and. These included: from 1991,; from 1994, the and (DSDM); from 1995,; from 1996, Crystal Clear and (XP); and from 1997,.
Grand Theft Auto 5 Mac Download. Although these originated before the publication of the Manifesto for Agile Software Development, they are collectively referred to as agile software development methods. At the same time, similar changes were underway in manufacturing and aerospace. In 2001, seventeen software developers met at the resort in to discuss these lightweight development methods, among others,, and. Together they published the Manifesto for Agile Software Development.
In 2005, a group headed by and wrote an addendum of principles, the, to guide software project management according to agile software development methods. Ethics For The Professions Rowan Pdf Download Free Software. In 2009, a movement by wrote an extension of principles, the, to guide agile software development according to conduct and mastery.
In 2011 the Agile Alliance created the Guide to Agile Practices (renamed the Agile Glossary in 2016), an evolving open-source compendium of the working definitions of agile practices, terms, and elements, along with interpretations and experience guidelines from the worldwide community of agile practitioners. The Manifesto for Agile Software Development [ ] Based on their combined experience of developing software and helping others do that, the seventeen signatories to the manifesto proclaimed that they value: • Individuals and Interactions over processes and tools • Working Software over comprehensive documentation • Customer Collaboration over contract negotiation • Responding to Change over following a plan That is, while there is value in the items on the right, they value the items on the left more. Agile software development values [ ] By these terms, they meant: Individuals and interactions [ ] Self-organization and motivation are important, as are interactions like and. It is better to have a good team of developers who communicate and collaborate well, rather than a team of experts each operating in isolation. Communication is a fundamental concept. Working software [ ] Working software is more useful and welcome than just presenting documents to clients in meetings.
It is better to comment inline with the code and to keep external documentation light, rather than heavy documents that take a lot of effort and quickly become outdated. Customer collaboration [ ] Requirements cannot be fully collected at the beginning of the software development cycle, so it is better to directly involve the paying customer and their end-users, or a proxy for them so that detailed requirements can be progressively elaborated and adapted based on feedback. Responding to change [ ] Agile software development methods are focused on quick responses to change and continuous development. Berserk The Golden Age Arc 1 English Dub more. Some of the authors formed the Agile Alliance, a non-profit organization that promotes software development according to the manifesto's values and principles. Introducing the manifesto on behalf of the Agile Alliance, said, The Agile movement is not anti-methodology, in fact many of us want to restore credibility to the word methodology.
We want to restore a balance. We embrace modeling, but not in order to file some diagram in a dusty corporate repository. We embrace documentation, but not hundreds of pages of never-maintained and rarely-used tomes. We plan, but recognize the limits of planning in a turbulent environment. Those who would brand proponents of XP or SCRUM or any of the other Agile Methodologies as 'hackers' are ignorant of both the methodologies and the original definition of the term hacker. An agile development technique used.