{"id":579,"date":"2017-12-22T12:56:57","date_gmt":"2017-12-22T11:56:57","guid":{"rendered":"http:\/\/agilerasmus.com\/wordpress\/?p=579"},"modified":"2017-12-22T12:56:57","modified_gmt":"2017-12-22T11:56:57","slug":"agil-softwarearkitektur","status":"publish","type":"post","link":"https:\/\/agilerasmus.com\/wordpress\/agil-softwarearkitektur\/","title":{"rendered":"Agil softwarearkitektur"},"content":{"rendered":"

Agil softwarearkitektur eller \u201demerging architecture\u201d er en kr\u00e6vende disciplin inden for softwareudvikling.<\/p>\n

I sin reneste agile form b\u00f8r teams efterstr\u00e6be at f\u00f8lge \u201dYou aren\u2019t gonna need it\u201d (YAGNI) som beskrevet af Kent Beck i Extreme Programming. Kongstanken er at krav er en ustabil st\u00f8rrelse og refaktorering er billigt. Er man i en situation hvor forretningen ikke har mulighed for at stabilisere sine krav i v\u00e6sentlig grad, s\u00e5 b\u00f8r man efterleve YAGNI og fors\u00f8ge at designe softwarearkitektur sidel\u00f8bende med at man bliver klogere p\u00e5 kravene. Det kan medf\u00f8re refaktorering i koden og dette b\u00f8r v\u00e6re accepteret af hele Scrum teamet.<\/p>\n

Ovenst\u00e5ende er underst\u00f8ttet af det 11. princip i det agile manifest:<\/p>\n

\n

The best architectures, requirements, and designs emerge from self-organizing teams.<\/p>\n<\/blockquote>\n

I 2002 skrev Barry Boehm f\u00f8lgende:<\/p>\n

\n

\u201cYou Aren\u2019t Going to Need It,\u201d<\/strong>\u00a0XP advocates doing extra work to get rid of architectural features that do not support the system\u2019s current version. This approach works fine whenfuture requirements are largely unpredictable<\/strong>.<\/p>\n

However, in situations where future\u00a0requirements are predictable<\/strong>, this practice not only throws away\u00a0valuable architectural<\/strong>\u00a0support for them, it also creates problems with customers who want developers to believe that their priorities and evolution requirements are worth accommodating.<\/p>\n<\/blockquote>\n

Er man i en situation hvor forretningen er i stand til, i v\u00e6sentlig grad, at stabilisere sine krav b\u00f8r man planl\u00e6gge efter dette, f.eks. med et Sprint 0 ved opstart af nyt initiativ, timeboxed spikes ved nedbrydning af epics eller tekniske PBI\u2019er til oprydning af teknisk g\u00e6ld.<\/p>\n

Uanset hvilken situation man st\u00e5r i, s\u00e5 er det essentielt at huske at nedbrydning af epics og stories b\u00f8r g\u00e5 h\u00e5nd-i-h\u00e5nd med identificering af softwarearkitektur og indg\u00e5r f.eks. som en del af Scrum teamets Definition of Ready og\/eller Definition of Done.<\/p>\n","protected":false},"excerpt":{"rendered":"

Agil softwarearkitektur eller \u201demerging architecture\u201d er en kr\u00e6vende disciplin inden for softwareudvikling. I sin reneste agile form b\u00f8r teams efterstr\u00e6be at f\u00f8lge \u201dYou aren\u2019t gonna need it\u201d (YAGNI) som beskrevet af Kent Beck i Extreme…<\/p>\n","protected":false},"author":1,"featured_media":580,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[2,21],"tags":[5,6],"yoast_head":"\nAgil softwarearkitektur - @agilerasmus<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/agilerasmus.com\/wordpress\/agil-softwarearkitektur\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Agil softwarearkitektur - @agilerasmus\" \/>\n<meta property=\"og:description\" content=\"Agil softwarearkitektur eller \u201demerging architecture\u201d er en kr\u00e6vende disciplin inden for softwareudvikling. 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