DDD，标识核心域 [英] DDD, identifying the core domain

问题描述

我很难确定给定模型中的哪个域可以被视为核心域。特别是如果有几个领域是企业功能的核心，这可能会很棘手。

I am having difficulty in attempting to ascertain which domain within a given model can be considered the "core domain". It can be tricky especially if there are several domains which are core to the function of a business.

我希望有人概述一个系统的过程，以挑选出核心领域

I would like someone to outline a systematic process to single out the core domain when dealing with a system that has multiple candidates.

推荐答案

• 核心域-最重要的子域，对企业而言至关重要。没有它，业务将失败。如果您需要选择要实施的第一个解决方案-请从核心域开始。

  • Core domain - the most important subdomain, which is essential for the business. Without it the business would fail. If you ever need to pick the first solution to implement - start with the core domain.

    支持子域-子域，它对企业的价值不及Core域。没有它，生意甚至可以生存一段时间。但是它仍然非常重要（支持核心域），它也特定于该域并且必须进行开发。在这种情况下，由于某种原因，我们无法购买现有的软件或组件来解决问题。

    Supporting subdomain - subdomain, which is less valuable for business than Core domain. Without it business may be can even survive for some time. But it still is quite important (supports core domain), it also is specific for the domain and has to be developed. In this case, for some reason, we can't buy an existing software or component to solve the problem.

    通用子域 -子域对业务的价值不及核心域。它也足够通用，可以立即购买（与支持域不同）。

    Generic subdomain - subdomain which is less valuable for business than Core domain. It also is generic enough to allow buying it off the shelf (unlike supporting domain).

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