本文详细对比了敏捷开发中的Scrum与精益开发（Lean）的差异，着重阐述了Scrum关注特性组，而精益开发更侧重于单个特性的开发流程与风险隔离策略，同时强调了精益开发在减少浪费方面的核心思想。
Agile - 瀑布、迭代式瀑布、Scrum、Lean的不同
文中描述：Lean和Scrum非常像，Scrum关注特性组（groups of features），Lean关注特性（features）。在Lean开发中，你一个接一个地完成特性（选择，开发，测试，发布）。Lean强调减少浪费。
Scrum Development
This approach carries far less risk than Waterfall approaches. We focus on delivering fully-tested, independent, valuable, small features. As such, we diversify our risk – if one feature goes wrong, it should not impact another feature. With that said, we still plan our work in iterations and we will still release at the end of each iteration.
Lean Development
Lean is very similar to Scrum in the sense that we focus on features as opposed to groups of features – however Lean takes this one step further again. In Lean Development, you select, plan develop, test and deploy one feature (in its simplest form) before you select, plan, develop, test and deploy the next feature. By doing this, you further isolate risk to a feature-level. In these environments, you aim to eliminate ‘waste’ wherever possible – you therefore do nothing until you know it’s necessary or relevant.
转自：The Difference Between Waterfall, Iterative Waterfall, Scrum and Lean Software Development (In Pictures!)
文中描述：Lean和Scrum非常像，Scrum关注特性组（groups of features），Lean关注特性（features）。在Lean开发中，你一个接一个地完成特性（选择，开发，测试，发布）。Lean强调减少浪费。
Scrum Development
This approach carries far less risk than Waterfall approaches. We focus on delivering fully-tested, independent, valuable, small features. As such, we diversify our risk – if one feature goes wrong, it should not impact another feature. With that said, we still plan our work in iterations and we will still release at the end of each iteration.
Lean Development
Lean is very similar to Scrum in the sense that we focus on features as opposed to groups of features – however Lean takes this one step further again. In Lean Development, you select, plan develop, test and deploy one feature (in its simplest form) before you select, plan, develop, test and deploy the next feature. By doing this, you further isolate risk to a feature-level. In these environments, you aim to eliminate ‘waste’ wherever possible – you therefore do nothing until you know it’s necessary or relevant.
转自：The Difference Between Waterfall, Iterative Waterfall, Scrum and Lean Software Development (In Pictures!)
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