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| A Non-Functional Approach for COTS Components Trading* may vary depending on the particular domain being considered; ? Non-functional requirements can be interacting, since the satisfaction of a particular non-functional requirement http://wer.inf.puc-rio.br/WERpapers/artigos/artigos_WER01/iribarne.pdf How to Get Them in Shape Dan Bergh Johnsson How to Get Them in Shape Page ** NFRs and Capabilities Requirements that are non-functional? Non-functional requirement is often requirement on capabilities Can be other constraints http://softwaresummit.com/2006/speakers/BerghJohnssonNFR.pdf Software Requirements The system should be easy to use by experienced controllers and should be organised in such a way that user errors are minimised. ? A verifiable non-functional requirement http://www.comp.lancs.ac.uk/computing/resources/IanS/SE7/Presentations/PDF/ch6.pdf SECURITY IN SOFTWARE ARCHITECTURE: A CASE STUDY However, software security as a particular non-functional requirement of software systems is all too often addressed late in the software development process. http://www.eng.auburn.edu/users/hamilton/security/pubs/Sachitano_Chapman_Hamilton.pdf REQUIREMENTS HIERARCHY APPROACH non-functional requirement is based on the functionality of the system as a whole, and cannot be viewed as independent entities. The ISO has identified a set of quality http://classweb.gmu.edu/ajryan/qnfr-publish.pdf EFFECTIVE REQUIREMENT & USE CASE MANAGEMENT FOR SOFTWARE DEVELOPMENT 04/06/2006 2 ? A Non-Functional requirement covers quality attributes of the software such as the performance, system needs such as security and archiving, and technical constraints http://www.imsi-pm.com/home/library/usecasemgmt.pdf ProcessNFL: A Language for Describing Non-Functional Properties Describing Non-Functional as a kind of requirement, it is natural their integration into the software development. Thirdly, interactions among functional and non http://www.hicss.hawaii.edu/HICSS_35/HICSSpapers/PDFdocuments/STDSL06.pdf Quality Assessment of Requirement Documents Non-functional Requirements Trick to identifying functional vs. nonfunctional requirements: Look at the verb Intransitive verb => non-functional requirement Transitive verb http://www.aoq.asn.au/swsig/presentations/Sep07-03.pdf Rethinking the Notion of Non-Functional Requirements security requirement could be expressed as "Any unauthorized access to the customer data shall be prevented", which would be classified as a non-functional requirement. http://www.ifi.uzh.ch/req/ftp/papers/3WCSQ2005.pdf Proceedings Template - WORD capture the relationship between functional and non-functional requirements. For example, there may be functionality that is necessary in order to address a non-functional requirement http://www.users.muohio.edu/burgeje/BurgeBrownGCT07.pdf Towards Supporting the Architecture Design Process Through Evaluation ... Monitors for each design alternative Non-functional Requirement Design Alternative Monitor Authentication Verify that no messages sent by an unauthenticated client will be delivered to http://www.ics.uci.edu/~shendric/publications/C6-alternative-evaluation.pdf Software Requirements A system goal The system should be easy to use by experienced controllers and should be organized in such a way that user errors are minimized. A verifiable non-functional requirement http://www.cs.umd.edu/~mvz/cmsc435-s05/pdf/ch4.pdf USING QUALITY REQUIREMENTS TO SYSTEMATICALLY DEVELOP QUALITY SOFTW ARE Refining Non-Functional Requirements goals into less-ambiguous sub-goals. De veloper states the non-functional requirement Accounts should be secure , which is represented http://www.utdallas.edu/~chung/SA/ICSQ.pdf UML, RUP, Zachman and all the other Maintaining a balance is the key to delivering solutions that meet users' needs. Non-functional requirement Non-functional requirement Non-functional requirement Non-functional requirement http://www.stickyminds.com/getfile.asp?ot=XML&id=11754&fn=XDD11754filelistfilename1%2Epdf Modeling WebSer vices by Iterative Reformulation of Functional and Non ... For example, fora non-functional requirement involving the cost of a service composition, the threshold may provide an upper-bound (maximumallow-able cost) while for requirements http://www.cs.iastate.edu/~honavar/Papers/Pathak-ICSOC2006.pdf Integrated refinement of non-functional requirements the architecture realizes functional and nonfunctional requirements and constraints functional requirements. At first, we discussed the term "non-functional requirement http://www.empress-itea.org/publications/EMPRESS_06.pdf Software Requirements Stan Kurkovsky Non-functional requirement types Non-functional requirement types ? Product requirements ?Product requirements ?Requirements which specify that the delivered http://www.cs.ccsu.edu/~stan/classes/CS530/Slides/SE-06.pdf Toolbox Tool Requirements Toolbox Tool Scales Introduction A measure of a quality (non-functional) requirement of the system with selected points that represent goals, boundaries, or http://www.construx.com/File.ashx?cid=1579 Types of Requirements Standard non-functional requirement considerations for a software system are shown in the figure above. Inverse Requirements specify what a system should not do. http://www.cs.iastate.edu/~cs309/notes/12_requirement_types.pdf A Model-Driven Development Framework for Non-Functional Aspects in ... When a non-functional requirement (e.g., security policy) changes in an application, the proposed MDD framework allows application developers to make the change in a UML model http://www.cs.umb.edu/~jxs/pub/jwsr.pdf COTS-Aware Requirements Engineering and Software Architecting 1 requirements for the SUD. Furthermore, SUD-NFR={SUD-NFR-1,SUD-NFR-2,?,SUD-NFR-l} SUD-FR = {SUD-FR-1, SUD-FR-2, ?, SUD-FR-m} where each SUD-NFR-l is a non-functional requirement for http://www.utd.edu/~chung/ftp/chung_cooper_IWSSA_2004_final.pdf Non-functional Requirements Slide 5 Example ? The system shall ensure that data is protected from unauthorised access. ? Conventionally, this would be considered as a non-functional requirement because it does http://www.ria.ee/public/Mittefunkt_nouded8.pdf Optimizing Automatic Deployment Using Non-Functional Requirement ... Rather, a hierarchy of abstractions is applied to attain manageability at each given level of abstraction. Pretschneretal. [2]for example consider three layers of abstraction: a http://www7.informatik.tu-muenchen.de/um/bibdb/kugele/isola08.pdf Requirement Types 1. Why do we care 2. What they are 3. How do we use ... A constraint is a limitation or restriction placed on the choices available to the project team for design and development of the system. Non-Functional Requirement A non-functional http://www.why-what-how.com/library/presentations/RequirementTypes-RazvanRadulian-RTPIIBA-2008-06.pdf A CASE TOOL FOR THE NON-FUNCTIONAL REQUIREMENTS FRAMEWORK of the refined subgoals must exist for the goal to exist. 2.3 Evaluation The evaluation procedure determines the degree, via labeling, to which any given non-functional requirement is http://www.utdallas.edu/~chung/SA/127p.pdf Quantifying Non-Functional Requirements: A Process Oriented Approach The goal graph contains three mutually exclusive classes of goals: non-functional requirement goals, satisficing goals and argumentation goals. Non-functional requirement goals include http://gracehopper.org/2004/Proceedings/PDF/ni_Hill.pdf What is a requirement? Requirements definition vs. specification and its development process e.g. interoperability requirements, legislative requirements, etc. ŠIS&JCH050202 Software Engineering Chapter 5 Slide 15of 45 Non-functional requirement http://www2.cs.uh.edu/~jhuang/JCH/SE/ch05hout.pdf A Taxonomy of Verification and Validation of Software Requirement and ... Examples of non-functional requirements and the way they can be measured are the following [1]: Non-Functional Requirement Measure Performance Processed transactions per second User/Event http://www.cs.utexas.edu/~jsequeda/pub/Sequeda_VV_req_spec.pdf What is a requirement? 4 Non-functional requirement types Usability Requirements Performance Requirements Space Requirements Efficiency Requirements Reliability Requirements Portability Requirements Product Requirements http://www.cs.umd.edu/~atif/Teaching/Spring2006/Slides/3.pdf |
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