In emerging domains such as ubiquitous computing, service robotics, unmanned space and water exploration, and medical and lifesupport devices, software is becoming increasingly complex with extensive variation in both requirements and resource constraints throughout its lifetime. We have validated the approach by evolving a static software productline from industry into a dspl in a case study. Feature binding can occur at several binding times. Spl to support the construction of adaptive systems 8. The small period of vibration results in a small dlf. Dynamic analysis tools can be used in the certification systems. Understanding the difference between static and dynamic. Vigrade develops edgecutting software simulation products and provides on a worldwide basis highly specialized engineering services. Dynamic linking means that bug fixes and upgrades to libraries propagate to improve your product without requiring you to ship anything.
This article will help the technical audience learn how to convert an existing static web site into a dynamic web site using ibm rational application developer. On the implementation of dynamic software product lines. Mar 10, 2015 software test design techniques static and dynamic testing the importance of software test techniques. Staticdynamic set based on bold, simple motifs series 2. This program commonality and variability can benefit from the use of software product line engineering, reusing artefacts over a set of similar programs, called a software product line spl. Software product lines spls are used to create tailormade software products by managing and composing reusable assets. An example of static data, is a newspaper, as once it has been printed. A dynamic software product line dspl can benefit from knowing how its various product variants would have performed in terms of quality of service with. What is the difference between a static and dynamic system.
Pdf how dynamic is your dynamic software product line. A dynamic software product line dspl 15 is a type of selfadaptive system that leverages tools and techniques from software product line spl engineering to. As such, a research theme that addresses development issues for reusable and dynamically reconfigurable core assets has emerged and it is called dynamic software product lines dspls with its. However, researchers have developed a wide variety of systems and techniques for implementing dsu. Comparative study of static and dynamic seismic analysis.
Limitations of dynamic testing cannot test all software paths. The difference is that statis ip addresses do not change, even if you remain offline for a period of time, while dynamic ones can possibly be released and assigned to someone else. In computer terminology, dynamic usually means capable of action andor change, while static means fixed. Static lines and wrinkles static wrinkles are different from dynamic lines or wrinkles, as they are visible even if the facial muscles are not being used. A dynamic software product line approach using aspect. Static analysis employs various formal methods such as abstract interpretation, model checking, and symbolic execution. The difference between dynamic and static wrinkles.
Dynamic software product line dspl engineering is a paradigm aimed at handling adaptations at runtime. Because these tools do not rely on tests that exercise the code, they can be extremely thorough. Software testing is a process carried out to check and confirm the delivery potential of the software. We provide a compiler and report from experiences of applying our approach to two nontrivial product lines.
Code generation to support static and dynamic composition of software product lines marko rosenmuller, norbert siegmund. In dynamic software product lines, the feature model describes the set of possible adaptation actions in the form of feature combinations, i. The benefit of using the dynamic user interfaces is that they can provide an easily scalable solution without needing constant development to meet varying business requirements of interaction with data that differs based upon markets geographies product lines divisions in an organization. Static load they are independent of time, the dead load on a structure can be considered as a static load. Learn how each work and when they are worthwhile to use. Years of continued squinting, worrying, frowning, and smiling, can eventually cause deep lines on the skin. The most frequently seen static lines are around the eyes crows feet, nasolabial folds or wrinkles on the forehead. Ragnar frisch worked intensively with the foundations of the discipline he dubbed macrodynamics in the early 1930s.
Tailoring dynamic software product lines marko rosenmuller, norbert siegmund. Static verification tools examine the driver code without running the driver. Dynamic modeling is used to represent the behavior of the static constituents of a software, here static constituents includes, classes, objects, their relationships and interfaces dynamic modeling also used to represents the interaction, workflow, and different states of the static constituents in a software. As can be seen from the research done in this regard, different conditions and interventions may influence dynamic balance but not static balance. A dynamic software product line approach using aspect models. Fine lines and wrinkles resulting from a loss of skin elasticity are called static.
With over 20 years in hightech marketing and technical writing, rhonda has worked on multiple onpremises and cloud systems management solutions including network software, supply chain management. Hence dynamic testing is to confirm that the software product works in conformance with the business requirements. Create, merger, split, form fill, view, convert, print, save, watermark and much more. These terms are used in a number of ways, depending on the specific context. Section ii introduces entimid and its development context to highlight the deployment speci. These are the most crucial tools that are available to him in order to secure the software development lifecycle. The traditional software product lines are unable to provide these facilities due to. Both terms can be applied to a number of different types of things, such as programming. Static testing checks the code, requirement documents, and design documents to find errors whereas dynamic testing checks the functional behavior of software system, memorycpu usage and overall performance of the system. Hard to change your mind on what should be static or dynamic.
We present an approach that integrates static and dynamic feature binding. Software product line engineering sple has introduced several models and mechanisms for variability modeling and management. Building dynamic software product lines mike hinchey1 and sooyong park2 and klaus schmid3 1lero. Frown lines between the eyebrows, forehead wrinkles, and crows feet are just a few examples of dynamic wrinkles. Dynamic lines are fine lines and wrinkles that are visible only if the facial muscles are contracted to form different expressions. Central to software product lines spls are features, where a feature is a distinct property of the software product. Moskitt4spl allows software product lines spl modeling, dynamic spl modeling and model validation.
Static loads differ from dynamic loads in the fact that the force exerted by the static load remains constant. The late variability can be represented through dynamic features, i. An overview of dynamic software product line architectures. I assume that the dynamic one is the way to go when rock climbing because you really dont climb the rope. This characteristic time is the fundamental period of free vibration of the system. In this procedure, a set of predecided inputs are fed into the software and the output produced is measured against the expected results. With a dynamic load, the forces associated with the load change according to outside circumstances. Towards assessing the complexity of object migration in. It is a system in which output at any instant of time depends on input sample at the same time. The traditional software product lines are unable to provide these facilities due to their static binding nature. All design against seismic loads must consider the dynamic nature of the load. Static or dynamic, one ip is assigned to one network device or computer. On the other hand, dynamic analysis runs a code and also requires some kinds of real test inputs. Difference between static and dynamic testing static vs.
Including a feature into a program is referred to as binding a feature. Trace checking for dynamic software product lines acm digital. So as not to bore anyone, bear with me as i plant my tongue in cheek a bit and offer an allegory that neither personifies intangible ideas nor has any real literary value. In general, dynamic means energetic, capable of action andor change, or forceful, while static means stationary or fixed.
Static linking, means that you can know the code will run in very limited environments early in the boot process, or in rescue mode. When the face is at rest, the static wrinkles will be noticeable. What is the difference between static and dynamic in data. What is the difference between static and dynamic loads. An inherent challenge in dspl engineering is to reduce the design complexity of adaptable software, particularly in terms of evolution.
We then introduce dynamic software product lines techniques in section iii. In contrast to software product lines, there is no wellestablished method for modeling dynamic software product lines. But in general, static refers to something thats specified early, or hardcoded into a program, and is not easily changed. Any structure can be subjected to static or dynamic loads 1.
A comparative study of dynamic software product line solutions. Review of source or object code without code execution analysis to see how the code is designed to behave methods, classes, functions, structure, etc analysis to see what properties are associated with software objects benefit is to catch things prior to building what is dynamic analysis. Difference between static and dynamic testing with. In general, abstract interpretation or model checking is suitable for software verification. Software product line engineering has proved itself as an efficient way to deal with varying user.
More precisely, a software product line is a set of software intensive systems sharing a common, managed set of. Aug 05, 2019 as dynamic environments bring new and unexpected challenges for software designers, new development approaches like dynamic software product lines are being proposed to address the development of systems that use dynamic variability techniques for handling postdeployment configuration needs and where software is permanent updated with minimal. Dynamic software product lines for servicebased systems. Is there a real difference between dynamic analysis and.
Similarly, it is noticeable that programs can require different static changes to suit static requirements. Dspls leverage concepts and engineering foundations from. Dynamic software product lines dspls are emerging as a latest methodology to develop software for service based system, self adaptive systems, self managed systems, autonomous systems etc which require runtime capabilities for flexible adaptation, reconfiguration, and postdeployment activities. Mario pukall university of magdeburg, germany sven apel university of passau, germany. Static or dynamic data management sap netweaver ce has. Static and dynamic aspect weaving are crucial techniques for the design and implementation of these novel system software product lines. Feature models fm are a widely used notation to describe a set of products in a product line and to capture the variability that exists in every product. This testing is also called as nonexecution technique or verification testing.
Static and dynamic verification software inspections concerned with analysis of the static system representation to discover problems static verification may be supplement by toolbased document and code analysis software testing concerned with exercising and observing product behaviour dynamic verification. The service will usually be a combination of static and dynamic analysis, penetration testing, testing of application programming interfaces apis, risk assessments, and more. Static analysis, dynamic analysis and testing software. With the help of predictive metric 7 we are able to determine both static as well as dynamic characteristics of the software. Static or dynamic vote ive been taught that a static line is the way to go for climbing because you dont want the rope stretching out on you as you climb it.
Application software used for presenation and communication of data. What is the difference between dynamic and static ip. Software testing methodologies include static application security testing and dynamic application security testing. Chris johnson, school of computing science, university of glasgow. Static testing and dynamic testing are two common types of testing that one comes across as a software developer. Dynamic load time dependent loads loads can be accelerating or deacceler. Difference between static and dynamic data is that once static data is created, the data that it contains doesnt change, whereas the data can change and update in dynamic data. Analysis of static and dynamic metrics for productivity and. Recent development approaches such as dynamic software product lines dspls. Dynamic analysis tools for the kernel module certification systems usage model. This separation makes the software design more amenable to analysis, thus enabling more effective and domainspecific detection of system design errors, prediction of runtime behavior, and more effective optimization.
A developer must use both the tools in order to determine if the software developed is ready for release on the market. More precisely, a software product line is a set of software intensive systems sharing a common, managed set of features. Static testing primarily checks the logic and correctness of the software code while the dynamic testing is used for checking the response of the system when predefined inputs are applied. Rhonda hollowayhead of product marketing, software business unitone of our resident business users, rhonda holloway is responsible for product marketing in the fujitsu software business unit. Funny, we have to take into account the dynamic nature of a bridge before we built it but do you take into account the dynamics of a business process when you capture it in your knowledge management system. The user will add a mail servlet, java 2 platform, enterprise edition j2ee security, and utilize the web site designers page template to create a consistent look and feel for the entire web site. For dynamic program analysis to be effective, the target program must be executed with sufficient test inputs to cover almost all possible outputs. Dynamic software product lines dspls propose elaborated design and implementation principles for engineering highly configurable runtimeadaptive systems in a sustainable and featureoriented way. It means that the relationship between static and dynamic balance is not high and using only one measure, static balance, can not represent the stability of the subjects. Extending dynamic software product lines with temporal. Dynamic load the main difference between a static and dynamic load lies in the forces produced by the weight of an object.
Such tools usually produce less false positives than static analysis systems, so if they detect any errors in the analyzed modules, it can be the reason to consider certification failed. Thus, based on this assumption, they make an analysis of relevant issues related to the migration from a static product line with development. Extending dynamic software product lines with temporal constraints gustavo sousa, walter rudametkin, laurence duchien university of lille inria lille, france. Software variability in dynamic environments sciencedirect. A software product line spl provides a common code base for a family of related software products. Building dynamic software product lines mike hinchey1, sooyong park2, klaus schmid3 1 lerothe irish software engineering research centre, university of limerick, ireland 2 sogang university, seoul, south korea 3 university of hildesheim, germany dynamically changing software our world becomes increasingly complex and rapidly changing. Comparative study of static and dynamic seismic analysis of a. Analysis of static and dynamic metrics for productivity.
How to convert an existing static web site into a dynamic. Dynamic load magnification factor dlf is the ratio of the maximum dynamic force experienced by the system and the maximum applied load. The relationship between parameters of static and dynamic. The software engineering institute sei defines an spl as a set of software intensive systems that share a common, managed set of features satisfying the specific needs of a particular market segment or mission. An architecture description language for dynamic service. Dynamic software product lines extend software product lines and allow adaptation of software during runtime. Software test design techniques static and dynamic testing. Static and dynamic verification tools windows drivers. Jun 14, 2019 the static testing and dynamic testing are methods of verifying and validating the software product and these are crucial to make the software bugfree.
Dynamic software product lines dspl engineering exploits the knowledge acquired in sple to develop systems that can be contextaware, postdeployment recon. Dynamic analysis analyzing the memory, performance, etc. Static testing is to improve the quality of software products by finding errors in early stages of the development cycle. Generating a software product from the assets of an spl is possible statically before runtime or dynamically at loadtime or runtime. Combining static and dynamic feature binding in software. Often testing is regarded as a dynamic analysis of a software. User interfaces and dynamic software product lines. Static is the moment dynamic is the spark static wear is original limited edition garage printed gear. Also the other activities are useful when evaluating the quality of the product and are complementary to testing, related to it. By staad pro software methodfor static and dynamic analysis both 1 equivalent static analysis. A fundamental principle of spls is variability management, which involves separating the. Static and dynamic form expressing varying states of energy a 3design progression expressing varied states of energy using a single dominating graphic element, based on a common theme or subject. Vigrade boosts product line with nvh software and simulators.
Dynamic program analysis is the analysis of computer software that is performed by executing programs on a real or virtual processor. Dynamic refers to something thats intended to be updated on the fly for instance, in c, if. It allows a programmer to implement an spl once and to decide later which features are statically bound and which dynamically. You can use this tool to ensure safe, secure, and reliable code from the start.
Really, im just trying to make the subject of static and dynamic code analysis the slightest bit fun on its face. Code generation to support static and dynamic composition of. Dynamic software product lines often demand multiple binding times and bind variants at a very late stage in the software lifecycle, as the flexibility and dynamicity of dspl products depends more on the possible times where variants can bind to their values. A dynamic theory or model is made up of relationships between variables that refer to di. Static testing was done without executing the program whereas dynamic testing is done by executing the program. Our approach separates the static parts of the software design from the dynamic parts of the system behavior. Tailoring dynamic software product lines researchgate. An operational example of controls in a smart home demonstrates the potential of a solution that combines the common vari ability language and a dynamic extension of the business process execution language. Dynamic software product lines offer a good choice for those systems that modify their configuration dynamically but because of the cost of introducing runtime architecture and instrumentation in code, dspls are not affordable for all types of systems.
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