Types of software evolution and software maintenance

Khaled M. Khan, Ned Chapin, Joanne E. Hale, Juan F. Ramil, Wui-Gee Tan

    Research output: Contribution to journalArticle

    Abstract

    The past two decades have seen increasing sophistication in software work. Now and in the future, the work of both practitioners and researchers would be helped by a more objective and finer granularity recognition of types of software evolution and software maintenance activities as actually done. To these ends, this paper proposes a clarifying redefinition of the types of software evolution and software maintenance. The paper bases the proposed classification not on people's intentions but upon objective evidence of maintainers' activities ascertainable from observation of activities and artifacts, and/or a before and after comparison of the software documentation. The classification includes taking into account in a semi-hierarchical manner evidence of the change or lack thereof in: (1) the software, (2) the documentation, (3) the properties of the software, and (4) the customer-experienced functionality. A comparison is made with other classifications and typologies. The paper provides a classified list of maintenance activities and a condensed decision tree as a summary guide to the proposed evidence-based classification of the types of software evolution and software maintenance.
    Original languageEnglish
    JournalJournal of Software Maintenance and Evolution : Research and Practice
    Publication statusPublished - 2001

    Keywords

    • software maintenance
    • software management
    • software support
    • empirical studies

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