SHF: Small: Collaborative Research: Automating the Detection of Architectural Degradation in Software Systems

SHF：小型：协作研究：自动检测软件系统中的架构退化

• 批准号: 1117593
• 负责人: Nenad Medvidovic
• 金额: $ 25万
• 依托单位: University of Southern California
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2011
• 资助国家: 美国
• 起止时间: 2011-08-01 至 2015-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1117593&HistoricalAwards=false
• 关键词: SHF; Small; Collaborative; Research; Automating

Over time, a software system's architecture eventually deviates from the original designer's intent and degrades through unplanned introduction of changes that invalidate original design decisions. Architectural degradation increases the cost of making new modifications and decreases a system?s reliability, until engineers are no longer able to effectively evolve the system. At that point, the system's actual architecture may have to be recovered from the implementation artifacts, but this is a time-consuming and error-prone process, and leaves critical issues unresolved: the problems caused by architectural degradation will likely be obfuscated by the system?s many elements and their interrelationships, thus risking further degradation. This collaborative project aims at pinpointing locations in a software system's architecture that reflect architectural degradation. The proposed research comprises four integrated research tasks: (1) Develop a catalog of commonly occurring symptoms of degradation. (2) Develop an architecture recovery technique that automatically extracts both a system's major building blocks and the concerns that influence, drive, and interact with these building blocks. (3) Devise a technique for formally capturing the recovered architectural design decisions, their involving concerns, and the identified causes of degradation. (4) Devise a suite of techniques that leverage the catalog to automatically identify system-specific instances of degradation. As a result, this project will have a potential for broad impact by providing a rigorous, scientific basis for software engineers to streamline the currently prohibitively expensive and error-prone system maintenance and evolution tasks.

随着时间的推移，软件系统的体系结构最终偏离了原始设计者的意图，并通过无计划地引入使原始设计决策无效的更改而降级。体系结构的退化增加了进行新修改的成本，并降低了系统？的可靠性，直到工程师不再能够有效地发展系统。在这一点上，系统的实际架构可能必须从实现工件中恢复，但这是一个耗时且容易出错的过程，并且留下了未解决的关键问题：由架构降级引起的问题可能会被系统混淆？它有许多要素及其相互关系，因此有进一步退化的危险。这个合作项目的目的是精确定位在软件系统的架构，反映建筑退化的位置。建议的研究包括四个综合的研究任务：（1）制定一个目录的常见症状的退化。(2)开发一种架构恢复技术，可以自动提取系统的主要构建块以及影响、驱动这些构建块并与之交互的问题。(3)设计一种技术，用于正式地捕获恢复的架构设计决策、它们涉及的关注点以及已识别的降级原因。(4)设计一套技术，利用目录自动识别系统特定的降级实例。 因此，该项目将通过为软件工程师提供严格的科学基础来简化目前昂贵且容易出错的系统维护和进化任务，从而产生广泛的影响。