业务构建块作为企业转换的协调机制

C. Hess, Florian Lautenbacher, Katrin Fehlner
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引用次数: 2

摘要

企业架构管理(EAM)旨在使业务和IT保持一致。因此,EAM分析当前状态并定义目标状态。为了达到目标状态,EAM计划并监视影响业务流程、信息系统和底层IT基础设施的转换。因此,域是一种广泛使用的工具,以降低复杂性。领域构成了企业架构,例如,根据公司所从事的业务领域。资源和职责被分配到这些领域,然后在这些领域内协调转换。然而,这种方法带来了这样的风险,即业务需求被冗余地解决,尽管来自另一个领域的现有IT系统可以被重用。它甚至阻碍了不同业务领域中使用的It系统的集成。本文描述了一种基于所谓的业务构建块(bbb)协调转换的方法。bbb定义了独立于实现的基本业务元素,其粒度适合在域内和跨域重用。我们的方法通过给相应的BBB分配明确的职责来确定谁负责为某个业务需求提供解决方案。这种业务结果驱动的方法有助于关注业务需求解决方案,而不是管理系统解决方案。理想情况下,每个BBB只有一个负责机构。在本文中,我们提供了我们的BBB识别方法的描述,并将建议的方法与当前最广泛采用的EA框架之一联系起来,即开放组体系结构框架(TOGAF)。我们报告了在各种EAM项目中使用此方法的经验,并推荐了最佳实践。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Business Building Blocks as Coordination Mechanism for Enterprise Transformations
Enterprise architecture management (EAM) aims at aligning business and IT. Therefore, EAM analyzes the current and defines the target state. In order to reach the target state, EAM plans and monitors transformations affecting business processes, information systems and the underlying IT infrastructure. Thereby, domains are a widely used tool in order to reduce the complexity. The domains structure the enterprise architecture, e.g. according to the business fields a company is working in. Resources and responsibilities are assigned to these domains and transformations are then coordinated within domains. This approach, however, poses the risk that business requirements are solved redundantly although an existing IT system from another domain could have been reused. It even hinders an integration of the IT systems used in the different business fields. This paper describes an approach for coordinating transformations based on so-called business building blocks (BBBs). BBBs define the essential business elements independent from their implementation, with a granularity suitable for reuse within and across domains. Our approach determines who is responsible for providing a solution to a certain business requirement by assigning clear responsibilities to the corresponding BBB. This business outcome-driven approach helps focusing on business requirement solutions instead of managing system solutions. Ideally, there is exactly one responsible authority per BBB. In the paper, we provide a description of our BBB identification method and relate the suggested approach into one of the currently most widely adopted EA frameworks, i.e. The Open Group Architecture Framework (TOGAF). We report about the experiences we made when using this method in various EAM projects and recommend best practices.
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