Characteristic properties of such tools are as follows see chapter 8

Characteristic properties of such tools are as

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Characteristic properties of such tools are as follows (see chapter 8 ) : Characteristic RM tool properties Management of requirements and attributes on the basis of informa- tion models Organization of requirements (by means of hierarchy levels) Configuration and version management on requirement level Definition of requirement baselines Multi-user accessibility and management (e.g., access control) Traceability management Consolidation of elicited requirements (e.g., generation of views) Change management support (change control) Architecture of RM tools The different RM tools that are available on the market possess a similar structure. The most common tools have a user interface that the user can use to access all functions necessary to carry out the requirements man- agement tasks. The managed data is stored in a database and can be edited using an integrated editor. Different import and export functions for doc- uments ensure that imported data from external systems can be read by the RM tool and exported data can be read by external systems. Suitability of RM tools Such requirements management tools thus cover most of the basic functions. They are very well suited to managing the relevant information for requirements engineering. An overview of the products that support requirements engineering and that are available on the market can be found, for example, on the website of the INCOSE and of the Volere process. 9.3.2 Standard Office Applications In many projects, standard office applications are still used to manage requirements (e.g., word processors and spreadsheet calculators). The main reasons for this are that on one hand, such applications are very widely dis- tributed, and on the other hand, no additional effort must be spent to become familiar with them. In conjunction with using templates – like, for instance, templates for requirements documentation (see section 5.2 ) – these applications are suited for documenting and, to some extent, for man-
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9.4 Introducing Tools 143 aging requirements (e.g., traceability relations can be established by means of hyperlinks). Office applications give only little support. However, such tools support the basic functions of requirements man- agement only to a limited extent. They do not offer a version control mechanism on the level of requirements, nor do they have supporting fea- tures for specific techniques for requirements management (e.g., the abil- ity to maintain traceability links between individual artifacts in an auto- mated way). Some of the basic functions can be emulated using other tools. For instance, an office application that is used in conjunction with some version control tool may fulfill the requirement of active version control or managed multi-user access. Nevertheless, the productivity and performance with regard to requirements management that can be achieved with specialized tools cannot be achieved using standard office applications.
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