| 書目名稱 | The Renaissance of Legacy Systems | | 副標(biāo)題 | Method Support for S | | 編輯 | Ian Warren | | 視頻video | http://file.papertrans.cn/919/918454/918454.mp4 | | 概述 | Shows how to evolve a legacy system to meet new needs, cost effectively and without losing vital information Managing software change is currently a very topical subject Offers practical advice for ch | | 叢書名稱 | Practitioner Series | | 圖書封面 |  | | 描述 | Today, software professionals recognize that change in software systems is inevitable. There are many systems currently in operation, however, which were developed before the need for change was understood. Such systems are commonly referred to as "legacy systems", and were developed with relatively short lifetimes in mind. Software engineering is a relatively young discipline which is continually improving to provide better support for the development of software systems. What were once state-of-the-art techniques, tools, and processes are now dated, and have resulted in systems which are not responsive to change. For historical reasons, dated development practice traded maintainability for other system attributes, such as cost and performance. A significant number of legacy systems remain in operation because they are critical to the business processes which they support. The combination of extended lifetimes and poor maintainability means that legacy systems are expensive to change, and in many cases they cannot accommodate emerging requirements. This is clearly an undesirable situation, which, until recently, has been tackled by replacing the system or attempting to maintain it | | 出版日期 | Textbook 1999 | | 關(guān)鍵詞 | Factor; architecture; architectures; control; deployment; development; evolution; form; migration; modeling; m | | 版次 | 1 | | doi | https://doi.org/10.1007/978-1-4471-0817-7 | | isbn_softcover | 978-1-85233-060-6 | | isbn_ebook | 978-1-4471-0817-7Series ISSN 1439-9245 | | issn_series | 1439-9245 | | copyright | Springer-Verlag London Limited 1999 |
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