{"id":252,"date":"2017-06-05T02:36:43","date_gmt":"2017-06-05T02:36:43","guid":{"rendered":"http:\/\/tgfrconsulting.com\/blog\/?p=252"},"modified":"2024-01-20T22:31:31","modified_gmt":"2024-01-20T22:31:31","slug":"creating-use-case","status":"publish","type":"post","link":"https:\/\/www.tgfrconsulting.com\/blog\/archived\/risk-management\/creating-use-case\/","title":{"rendered":"Creating Use Cases"},"content":{"rendered":"
\n

The operational risk analysis forms the basis for the use case development.\u00a0 During the operational and functional analysis portion of the risk analysis, use cases have been identified and linked to the failure modes.\u00a0 This analysis needs to be formalized into use cases that can be translated into requirements.\u00a0 In most definitions of a use case\u00a0(Cockburn, 1998), the following elements are initially identified<\/p>\n

Use Case Elements<\/h2>\n\n\n\n\n\t\n\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t\n\t
Use Case Element<\/th>Description<\/th>\n<\/tr>\n<\/thead>\n
Use Case Name<\/td>Descriptive name for the use case<\/td>\n<\/tr>\n
Scope<\/td>What is the scope of the use case. This should relate back to the mission or therapy phase.<\/td>\n<\/tr>\n
Level<\/td>This should be either Summary, Primary task (phase), Sub-function (a sub-case within the primary task)<\/td>\n<\/tr>\n
Priority<\/td>Within this context this should be related to the maximum severity of the associated risk<\/td>\n<\/tr>\n
Frequency
\n<\/td>		This should be linked to the \u03b1 as defined in the risk analysis<\/td>\n<\/tr>\n
Trigger<\/td>What initiates the use case<\/td>\n<\/tr>\n
Main Success Scenario<\/td>What is the main path for the use case, often referred to as the \u201chappy path\u201d in that errors and issues are not addressed<\/td>\n<\/tr>\n
Extensions<\/td>Additions to the use case, usually in the case of issues or failure modes. <\/td>\n<\/tr>\n
Sub-Variations<\/td>Explicit differentiated changes to the use case<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n

The operational phase risk analysis links failures to use cases.\u00a0 The following figure illustrates how the elements of the risk analysis integrate with the workflow in the development of use cases<\/p>\n

\u00a0<\/em><\/p>\n

\"Use<\/a>
Use Case and Risk Analysis LInkages<\/figcaption><\/figure>\n

The development of the use cases should consider the following<\/p>\n

    \n
  • Completeness<\/strong> – Main Success Scenarios may link to one or multiple functions, as identified in the risk analysis, depending upon the granularity of the use cases development. Simpler systems may require fewer use cases, but all Main Success Scenarios must address all phases and associated functions.<\/li>\n
  • Extensions<\/strong> \u2013 Each Use Case must include extensions for all of the failure modes associated with the functions included.<\/li>\n
  • Linkage<\/strong> \u2013 Each use case must include information that links the Use Case to the mitigations associated with the failure modes encompassed in the extensions.<\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

    The operational risk analysis forms the basis for the use case development.\u00a0 During the operational and functional analysis portion of the risk analysis, use cases have been identified and linked to the failure modes.\u00a0 This analysis needs to be formalized into use cases that can be translated into requirements.\u00a0 In most definitions of a use …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[61,5,8],"tags":[25,31],"class_list":{"0":"post-252","1":"post","2":"type-post","3":"status-publish","4":"format-standard","6":"category-archived","7":"category-product-definition","8":"category-risk-management","9":"tag-risk-analysis","10":"tag-use-cases","11":"anons"},"yoast_head":"\nCreating Use Cases - TGFR Consulting LLC<\/title>\n<meta name=\"description\" content=\"This describes the translation of requirements and risk into a fully realized use case\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.tgfrconsulting.com\/blog\/archived\/risk-management\/creating-use-case\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Creating Use Cases - 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