Scrum 故事和幕后功能

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据我了解，Scrum 待办事项由一系列代表最终用户的故事组成，并进一步分解为功能。

如果是这种情况，所有与故事没有真正联系但仍然有用的幕后功能在哪里？

例如，假设我正在制作一个对硬盘驱动器内容进行编目的应用程序。一个故事不需要它，但在每个文件上有一个 md5 哈希将是一个很好的标记重复的功能。

Answer 1

写好故事的经典模板是:“作为 <角色> ，我想 < Action > 以便 <业务值(value)> (或变体|)围绕这个)，一个故事确实应该提供商业值(value)。为什么？好吧，如果一个故事没有传达它产生的商业值(value)，那么(很可能是非技术性的)产品负责人如何评估它的重要性并相应地优先考虑它？写好故事会增加您将它们评为重要并因此实现的机会。

5 Whys 是发现良好商业值(value)的绝佳工具。 (用于根本原因分析，即找到问题的根本原因)。 cucumber documentation很好地解释了如何使用它来找到一些“好的”商业值(value)，并且有一个非常好的示例，因此，我引用下面的解释，而不是对其进行解释:

Business value and MMF

You should discuss the "In order to" part of the feature and pop the why stack max 5 times (ask why recursively) until you end up with one of the following business values:

• Protect revenue
• Increase revenue
• Manage cost
• Increase brand value
• Make the product remarkable
• Provide more value to your customers

If you’re about to implement a feature that doesn’t support one of those values, chances are you’re about to implement a non-valuable feature. Consider tossing it altogether or pushing it down in your backlog. Focus on implementing the MMFs (Minimum Marketable Features) that will yield the most value.

Here is an example taken from an IRC chat session in #cucumber:

[5:08pm] Luis_Byclosure: I'm having problems applying the "5 Why" rule, to the feature                          "login" (imagine an application like youtube)[5:08pm] Luis_Byclosure: how do you explain the business value of the feature "login"?[5:09pm] Luis_Byclosure: In order to be recognized among other people, I want to login                          in the application (?)[5:09pm] Luis_Byclosure: why do I want to be recognized among other people?[5:11pm] aslakhellesoy:  Why do people have to log in?[5:12pm] Luis_Byclosure: I dunno... why? [5:12pm] aslakhellesoy:  I'm asking you[5:13pm] aslakhellesoy:  Why have you decided login is needed? [5:13pm] Luis_Byclosure: identify users[5:14pm] aslakhellesoy:  Why do you have to identify users?[5:14pm] Luis_Byclosure: maybe because people like to know who is                          publishing what[5:15pm] aslakhellesoy:  Why would anyone want to know who's publishing what?[5:17pm] Luis_Byclosure: because if people feel that that content belongs                          to someone, then the content is trustworthy[5:17pm] aslakhellesoy:  Why does content have to appear trustworthy?[5:20pm] Luis_Byclosure: Trustworthy makes people interested in the content and                          consequently in the website[5:20pm] Luis_Byclosure: Why do I want to get people interested in the website?[5:20pm] aslakhellesoy:  :-) [5:21pm] aslakhellesoy:  Are you selling something there? Or is it just for fun?[5:21pm] Luis_Byclosure: Because more traffic means more money in ads[5:21pm] aslakhellesoy:  There you go![5:22pm] Luis_Byclosure: Why do I want to get more money in ads? Because I want to increase                          de revenues.[5:22pm] Luis_Byclosure: And this is the end, right?[5:23pm] aslakhellesoy:  In order to drive more people to the website and earn more admoney,                          authors should have to login,                          so that the content can be displayed with the author and appear                          more trustworthy.[5:23pm] aslakhellesoy:  Does that make any sense? [5:25pm] Luis_Byclosure: Yes, I think so[5:26pm] aslakhellesoy:  It's easier when you have someone clueless (like me) to ask the                          stupid why questions[5:26pm] aslakhellesoy:  Now I know why you want login[5:26pm] Luis_Byclosure: but it is difficult to find the reason for everything[5:26pm] aslakhellesoy:  And if I was the customer I am in better shape to prioritise this                          feature among others[5:29pm] Luis_Byclosure: true!

那么，让我开始:为什么在每个文件上都有一个 md5 散列会很好(正如您所说，这是一个实现细节，不传达任何商业值(value))？