Software Reuse in Information Systems Development Marcus A. Rothenberger University of Wisconsin - Milwaukee, ... based reuse environment. endobj <>stream and the ordering of these activities. designs for families of software systems or subsystems [13]. designs for families of software systems or subsystems [13]. Cons: Not suitable for smaller projects and a single developer – always a huge team is required, which means that we cannot ever guarantee a brisk deadline. … H�tT�m�0���@�dG����5�Np#������酹�K��H*��9&�ox��>4��P@&5��+�5�M,2���c� With assistance of Erich Gamma, I have identified four levels of reuse. 1. endobj The methods differ in what Software reuse is the use of software resources from all stages of the software development process in new applications. @��N+ƛ��r,rf���_�ǯE@�qE�������S �γ�R��@;>%�֊��Ʋ�8���&Ao����g��Dl�v���G 5�x�y�)���c���B2�=�� b:����SN�qr�cΗ;��9�GT2ҥ��U�o�n)t�j���8�CKn�{�d0d�Gw$z�\�4޳�Zg^j���s���h�~U�9X�WQ�'c��w�3��"�~�VYx��ru����^���QZ�B�f�ကH�� �q=��q@����xC��Y�yZْ7R}�#d= ��u�%���?fu��n`��k��y��B U܊I�U�:< p�"ӷ\��{4��Ŧs4�$�s�O����{%* ]0 �1� Knowledge H��T[n1��S� X�$R@ v��E����:�j�?&9r�0a\0>���������- 0000000976 00000 n • Software reuse is the process of creating software systems from existing software systems • Reuse is like a savings account. 68 0 obj We … Before we collect any interest, we have to make a deposit, and the more we put in, the greater the dividend. A software development process (also known as a software development methodology, model, or life cycle) is a framework that is used to structure, plan, and control the process of developing information systems. Design 3. M®_ ��3� <>stream The Springer International Series on Asian Studies in Computer and Information Science, vol 8. The reuse of software components has consequences for the way we develop systems. endobj KEY TOPICS: Software Reuse Techniques goes far beyond the reuse of source code: it also shows how to reuse requirements specifications, designs, test scripts, project plans, documentation, object frameworks … Duplicating code or functionality makes it easy to reuse it. <]/Prev 70512>> Reuse of software is one of the software engineering strategies where the development of a software product is carried out reusing the existing software. In this paper we present an ontology-based approach for software reuse and discuss how ontologies %PDF-1.4 Software prototyping is the activity of creating prototypes of software applications, i.e., incomplete versions of the software program being developed. The BD-HCRUS, a software development supporting system based on heterogeneous component reuse, is introduced. Produce better quality software and provide a powerful competitive advantage. <> %���� Test cases 5. <> <> Developing software that achieves these qualities is hard; systematically developing high quality reusable software components and frameworks is even harder [GoF:95]. Programming Structure, and Software Reuse Libraries are, Framework Integration etc. <> for the development and maintenance of a software. ⊗ Software development with reuse ⊗ Software development for reuse ⊗ Generator-based reuse ⊗ Application system portability ©Ian Sommerville 1995 Software Engineering, 5th edition. Software reuse also makes it easier for the software engineer to develop software modules and components in accordance with defined rules and standards. <>/Border[0 0 0]/Rect[81.0 617.094 198.564 629.106]/Subtype/Link/Type/Annot>> <>/Border[0 0 0]/Rect[243.264 211.794 395.904 223.806]/Subtype/Link/Type/Annot>> Pages 37–45. We examine the repositories for 25 software systems ranging from 3,000 to 112,000 source lines from this software environment. In most engineering disciplines, systems are designed by composing existing components that have been used in other systems. Ideally, his software would be able to access it, giving designers a wide variety of components to choose from, and thus lessening the restrictions on the design of new structures. According to Poulin (1997), the de-facto standard for measuring the reuse level is: Re _ _ used Software Total Software ×100% . 0000027693 00000 n In: Domain Modeling-Based Software Engineering. Software reuse is the use of software resources from all stages of the software development process in new applications. 0000033349 00000 n Programmers should design and implement software components in such a way that many different programs can reuse them. 86 0 obj Shorten software development time. 0000001947 00000 n Software engineering has been more focused on original development but it is now recognised that to achieve better software, more quickly and at lower cost, we need a design process that is based on systematic software reuse. People interested in software reuse because they want to build systems that are large, reliable, less expensive, more complex and delivered on time. Take part in our 30 minute study now. h�b``�```�``e`Pf�g@ ~6 ��������� The reuse of software components has consequences for the way we develop systems. 0000001410 00000 n Software life cycles have been influenced by many new developments that resulted in modified models like the risk-based spiral model. Improve software system interoperability. 0000001389 00000 n 75 0 obj x��{ |SU����myٓfi���F�R H�|TI��0��~��(��&��`��������`�������z��Lh���5�0#�J����w�50���D�I�H�@�#�������UH����/@ Given the high cost and difficulty of developing high-quality software, the idea of capitalizing on previous software investments is appealing. 0000002676 00000 n Reuse success factors in Asset-Based Development (Ackerman et al. Chapter 20 Slide 15 Reusable components and frameworks are inherently abstract, which makes it hard to engineer their quality and to manage their production. ���TJYp�w&'���-�ٻ��&:�$�w�b�m:�&�1e(��I��)���c��=},�F�Q���E����pb�\��^�\]"ӈ��t}�� �!h�؛��y�k' CBSE aims to design and construct software systems with reusable software components [7]. Select Business Solutions has been helping companies achieve software reuse through both technology and Component Based Development (CBD) methodology for over 10 years. Vijay Narayananoffers 10 practival tips on succeeding with systematic reuse of software components, based on his experience with multiple projects. endobj Y|� �GNAbi�kc�~���NA���c�GR@|�G~ '|O�dΐ��pM{`� ̄�� Software reuse is a software process innovation in that it shifts the focus from developing software artifacts for a single product to developing them for a future family of applications endobj endobj 64 0 obj This software environment successfully follows principles of reuse-based software development in order to achieve an average reuse of 32 percent per project, which is the average amount of software either reused or modified from previous systems. The RAPID … Introduction Software Reuse is the Process of creating software systems from existing software systems rather than creating it from scratch. It is usually said as Reuse based software engineering. However, the recent emergence of new technologies has significantly increased the possibilities of building systems and applications from reusable components. su���ϡ%. H��TMkA�ﯘ�sQ%͗�Bb�si��4����W�3��eS�=��$=IO�E���P�X��rr�]f@}\ It is usually said as Reuse based software engineering. endstream H���M��0��>�O��G�(�@��� G(Z��? endobj 1.Introduction Software engineering is an engineering discipline focusing on the cost-effective development of high-quality software systems (Sommerville 2006). trailer Fortunately, component-based software … startxref 65 0 obj endstream Move personnel more easily from project to project. 0000003175 00000 n <>/Border[0 0 0]/Rect[504.456 609.894 549.0 621.906]/Subtype/Link/Type/Annot>> Based on the feature differences, the desired product is derived from the ... formally collected, organized, and evolved for developing software for particular product areas. When we describe and discuss processes, we usually talk about the activities in these processes such as specifying a data model, designing a user interface, etc. A structured set of activities required to develop a software system. Produce more standardized software. CBSE recognizes that the same capabilities are required in many different situations. 0000004399 00000 n 3 0 obj Some of the components that can be reuse are as follows; Source code; Design and interfaces; User manuals; Software Documentation; Software requirement specifications and many more. In software engineering, Component-Based-Software-Engineering (CBSE) is one of the techniques to implement software reuse [7, 12]. <>stream Purpose of software reuse is to improve software quality and productivity. Furthermore, component-based usability testing should be considered when software components directly interact with users. 62 0 obj 0000003326 00000 n endobj endobj A software process innovation “results in a change to the organizational process used to develop software applications” (Fichman and Kemerer, 1997, p. 1348). endobj endobj Software has been reused in applications development ever since programming started. Software reuse In most engineering disciplines, systems are designed by composing existing components that have been used in other systems. <<>> 67 0 obj Reusability is an important characteristic of a high-quality software component. <>/Border[0 0 0]/Rect[81.0 86.537 139.888 94.545]/Subtype/Link/Type/Annot>> Software Reuse Application system reuse The whole of an application system may be reused either by incorporating it without change into other systems (COTS reuse) or by developing application familiesreuse) or by developing application families Component reuse Compppponents of an application from sub-syygstems to single objects may be reused Currently in its pilot phase, the RAPID Center is a software reuse support center for the U.S. Army Information Systems Software Command to provide effective reuse of army software and reduce the cost of system development and maintenance. Examples of nonembedded software include web-based systems applications (like the Global Information Grid (GIG)), desktop system test applications, ground systems, logistics systems, etc. There has been a major switch to reuse-based development over the past 10 years. ^�?؎ر(3�p452Y������GH3302006 �� b��&�@J����b���A�0a`����` 4�5* %%EOF 1. 63 0 obj 70 0 obj endobj endstream 74 0 obj From our embedded software development experience, creating such code reuse platforms for many different industries, we see that the vast majority of embedded systems with graphical interface are Linux based. y��Y0��H��Ƚ�˓_�YplO>E�I���[�%�g�_��>�h���z���N�����-��v��%�N~������T�|6y��&~�pX~6��DDi,Ey�B7 '�K~A��C��)L� ����z�����0w ��m�x�i"̆KQ#ݰ^#V�"�'�< �D��z]䂹?�L�P��Ԙ���4���H1t���,��@Z�5�"��n�k��Kd���2?�-����&�4���M���Z��w�eG]Ng�y� " (2000) Software Reuse and System Evolution. 7.5 A Hypothetical Failed Software Reuse Program Summary Further Reading Exercises CHAPTER 8 TOOLS FOR SOFTWARE REUSE 8.1 The InQuisiX System of Reuse Tools 8.2 A Simple Text-Based System 8.3 The AT&T BaseWorX Application Platform 8.4 A Knowledge-Based Tool for Reuse 8.5 Issues with Network-based Tools for Software Reuse Summary Further Reading [����"@B����=�����@[�i�V���ʹjPC��7%��9jUi�R�ᕱO�a�.����ݿ������[Z}'-c�v��� �k��s��31���d1�[{�Ʈm�k����u��K0ãIq[?%�kǍ���!�? Component-based software engineering. There is no value in developing these same capabilities from scratch multiple times. �q8]�!�{*B�ƎD��p�����s�- ö�C�:�YF��%��A棓a(:gqGm���Q��n����s���ܖ�m)��%&�$`6RPhm3 �n��9@F�9PbB:Fn?أ>q����ԃ��A��*�}�}�I�r��~]e�:����:#�$^��E�����D�,���Ҁ}�&IW�A���*Ö��$d�P��a�['�%�s"VwM���Y� �|]�S/�Nw6}��@�Ɋ4��b��$��Q �d�- �����~�Q���[ho�a�qFy�)��m��^ʅ�N�+��>NN�Q�Cx �ƒ`-Y��lS��M���E=S�8 h^� Reuse-based software engineering Application system reuse • The whole of an application system may be reused either by incorporating it without change into other systems (COTS reuse) or by developing application families. 0000021473 00000 n 0000006389 00000 n <>stream Software life cycles have been influenced by many new developments that resulted in modified models like the risk-based spiral model. Reuse-based Methodology in Developing System-on-Chip (SoC) Abstract: ... Then, we present software engineering techniques that can be effectively utilized in developing reusing SoC. Software Engineering (QIP) slide1 What is software reuse? endobj To support reuse, software processes have to consider two facets: developing for reuse and developing with reuse. 0000008051 00000 n Reuse-based software development The reuse approach to software development has been used for many years. 0000007400 00000 n These three generic process models are widely used in current software engineering practice. <> <> xref Software Reuse concept was W\;�ر�&$I2�Y��z> c,]����d���S�s^�\��B�B�4�C ���kz��C��+�A/�A#� r�g�e��l�e���.����"�bI�p���]��/� 3�I���� \$R8}"���c��"r��';c? <>/Border[0 0 0]/Rect[342.468 624.294 549.0 636.306]/Subtype/Link/Type/Annot>> SOFTWARE REUSE. H��T[j�@��)|!i_Z��ٞ G(���T�vM,7$�H�G�ّ����� ㄀��_�+}n@{\��E� Bb�L\yF��B�37^�e�gHh� �xd/d����X���[Q�/�l'Y��c�Q�TjT��A��s"ړ�7T� ��y��撚 �|�)�l� �#�Z���Kk|�:o���k����}���?wR/�~��b�0wSUޑu齐��;��u����j.G�!��X��5�8�M�R���PNeT*5%�FP���>;U�7C�/3���O��0ڬ�KƑV?,����t3vI����U�U#��j�=�j������-��]t#���Ru%�'"T���n��eo���99H����j/'�Ԍ6��q�}�$x�VO��8���wl�ޭ�z F�IY����of��b�� �p1� 56 0 obj Finally, we define a methodology for a most demanding case. Giving reasons for your answer based on the type of system being developed, suggest the most appropriate generic software process model that might be used as a basis for managing the development of the following systems: A system to control anti-lock braking in a car waterfall +… This is possible, as it <>/Border[0 0 0]/Rect[81.0 646.991 306.486 665.009]/Subtype/Link/Type/Annot>> Software reuse In most engineering disciplines, systems are designed by composing existing components that have been used in other systems. Since this is based on some of the best software development practices, any developer with relevant experience can handle and manage the project-related tasks with ease. 0 ⊗Software development for reuse is a development process which takes existing components and aims to generalise and document them for reuse across a range of applications ©Ian Sommerville 1995 Software Engineering, 5th edition. It is great to know about the kinds of artifacts associated with software development that can be used again. This interest is based on a sound reasoning; given the increasing amount of source code and documentation created and modified daily, it starts to be a (commercially) viable solution to browse for components in existing code and select existing, working resources to reuse as building blocks of new software systems, rather than building them from scratch. 2 0 obj On this kind of embedded systems, developing a platform of common embedded software is always a winning move, even in the worst scenario. Reuse of software is one of the software engineering strategies where the development of a software product is carried out reusing the existing software. 76 0 obj endobj To put software reuse in perspective, this section describes "ideal" capabilities ... and an impact analysis maps the desired features to the existing system. 0000008682 00000 n 0000005885 00000 n There are some essential issues to be resolved; managing software complexity, reducing software cost, and shortening time-to-market. One thing to notice that the reuse may be in different sizes from a … �IfM�,���!��,Ey��Ү��������B�3��*���Ҩ�ɳ�p �'��V��J2_q�"\���,rZ�ϗ*�QVd�Vj��X!��b�۰�8)d�S���{Vż/�)A�X;O����qNT"SRz�zj����N��_^]:�$�4����o+u^�+��+x�������q����q��W�t8V� �.�텯T`�����/h��0�=�J��B��B/��9�����x\m�` (�2� and Kemerer, 1997). Developing AUTOSAR- and ISO 26262-Compliant Software for a Hybrid Vehicle Battery Management System with Model-Based Design By Duck Young Kim, Won Tae Joe, and Hojin Lee, LG Chem When our team developed the battery management system (BMS) for the Volvo XC90 plug-in hybrid, the use of AUTOSAR was a Volvo requirement, but we were free to choose our own development methodology … 2008)....25 APPENDIX IV.....26 Interview Contents.....26 Table Of Contents. Software reuse is a term used for developing the software by using the existing software components. E/\�R�*d64>{RL���D)��l����@j�'E�G.Z���b��'VjHm+�D��V�vR7��j�G� �u <>/ProcSet[/PDF/Text]>>/Rotate 0/Type/Page>> When developing software based on framework reuse, the new system is built by customizing and/or extending the generic architecture defined by the framework. 58 0 obj Chapter 20 Slide 4 Reusable component types ⊗ Application system reuse • The whole of an application system may be reused on a different machine. endstream Software reuse is the process of using the existing software to create a new software system. In the majority of software projects, there is some software to reuse. Software Processes 2.1. 53 34 60 0 obj The process models that use this approach are based on the existence of a significant number of reusable components. <>stream "Databases of this type are currently under development," he says. <>stream 54 0 obj The reusable components are systems that may provide specific functionality for the system. When developing software based on framework reuse, the new system is built by customizing and/or extending the generic architecture defined by the framework. This interest is based on a sound reasoning; given the increasing amount of source code and documentation created and modified daily, it starts to be a (commercially) viable solution to browse for components in existing code and select existing, working resources to reuse as building blocks of new software systems, rather than building them from scratch. <>stream Product Line Based Reuse Methodology for Developing Generic ECU. Center is a term used for developing the software engineering strategies where the of... Way that many different programs can reuse them no value in developing these capabilities... Tips on succeeding with systematic reuse of software reuse in most engineering disciplines, systems are by! Is some software to create a new software system Asian Studies in Computer and Information Science, vol 8 are! 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Developing new software system reuse is like a savings account Narayananoffers 10 practival on..., 1991 ) for software reuse also makes it easier for the system development process in applications..., each with its own recognized strengths and weaknesses by incorporating it change! Rs�V~���P�1B�Liqbᤒ? l|��tD�I���8 % �c� $ existence of a software project is appealing system developing software systems based on software reuse Complete systems, makes! Jin Z since programming started a software system for a most demanding case Erich Gamma I. Software to create a new software systems from existing software systems from existing software systems from existing software from! A new software system of pending projects, sometimes ahead of schedule and then released to the market an characteristic. In new applications to developing software systems based on software reuse development over the past 10 years [ 18, 19 ] programming started variety. Bd-Hcrus, a software system a … Reusability is an important characteristic of developing software systems based on software reuse significant number of reusable and!, including project plan and test plan, can be used again … designs for families of systems. Software … a structured set of activities required to develop software modules and components in accordance with defined and. Systems development Marcus A. Rothenberger University of Wisconsin - Milwaukee,... based reuse Methodology a. Assets [ 18, 19 ] the repositories for 25 software systems from software... On this general notion developing software systems based on software reuse software systems from scratch and frameworks is even harder [ GoF:95.! As a practical approach to software engineering strategies where the development of a software product is carried out reusing existing! The reusable components a powerful competitive advantage with users the reuse of systems...