This thesis provides methods for developing model driven software product lines, in terms of development methodology, automated assistance and spl evolution support. Software product line companies increasingly expand their platform outside their organizational boundaries, in effect transitioning to a software ecosystem approach. We start with a multiview uml model of the core family assets representing the commonality and variability between different products, which we call the spl model. Product derivation from a product line model is a central activity in product line requirements engineering. After creating an initial ver sion of the feature model, we thought about dividing the software product line into a multi product line 39, 40. Feature models are widely used during the whole product line development process and are commonly used as input to produce other. A software product line is a set of software intensive systems sharing a common, managed set of features that satisfy specific needs of a particular market or mission, and that are developed from a common set of core assets in a prescribed way, according to the definition used by the software engineering. In this case wehave 1,512 variants the model in figure 2 only has 612 variants. The main difference fromnormal, oneofakind software development is a logical separationbetween the development of core, reusable software assets the platform,and actual applications. Software product lines challenge traditional analysis techniques, such as type checking, testing, and formal veri cation, in their quest of ensuring correctness and reliability of software. Software product line engineering has gained considerable momentum in recent years, both in industry and in academia. By identifying these user characteristics and by arranging them into a meta model, software engineering paradigms such as model driven development or software product lines can employ it as an. A product line framework andor approach should provide sophisticated visualization and product derivation support, otherwise large product lines become very hard to handle. In this paper, we discuss the emerging trend of software ecosystems and provide a overview of the key concepts and implications of adopting a software ecosystem approach.
Product flexibility is the anthem of the software marketplace, and product lines fulfill the promise of tailormade systems built specifically for the needs of particular customers or customer groups. This article describes how this is done in practice, using the example of a product line of meteorological data systems. Sketchup is a premier 3d design software that truly makes 3d modeling for everyone, with a simple to learn yet robust toolset that empowers you to create whatever you can imagine. We propose to integrate performance analysis in the early phases of the model driven development process for software product lines spl. International software product line conference colocated workshops. Software product line engineering sple offers a solution to these not quite new, but increasingly challenging, problems cle01. In the finefit approach, the model is expressed by a set of tables based on parnas tables. Feature models are visually represented by means of feature diagrams. For example, we can now calculate the upper limiton the number of possible variants in our example product line. Mar 19, 2020 the journey so far has been a massive learning curve.
Just run the command given below to get computer model. Splot is an open platform based on open source software that provides cuttingedge online tools for software product lines. Testing a software product line december 2001 technical report john mcgregor. How to find the product model of your dell computer dell us. Software product lines challenge traditional analysis techniques, such as. Inthis article we tackle this problem by describing the design and automatedderivation of the product variants of a software product line using an easy to understand, practical example. Software product line definition of software product line. Feb 14, 2017 the move to product lines lies at the heart of the new it operating model. Or, if you prefer, you can select your product from a list. Thus, a software pricing model should be established based on the products value to customers as well as the compa. In product line engineering, a feature is a distinguishing characteristic of a product, usually visible to the customer or user of that product. Mar 17, 2015 whats the difference between a software product and a platform. The application is seldom treated as a product, that needs to live in production for many years after the project is completed.
A software product line spl implies a formal procedure for designing the modules based on predicting how they can be reused to solve a variety of problems. Software product lines spls, or software product line development, refers to software engineering methods, tools and techniques for creating a collection of similar software systems from a shared set of software assets using a common means of production. This report expands on the testing practice area described by clements and northrop. A software pricing model in general is broken down into four factors which are what is sold, license options, license terms, and payment methods.
Finefit is a framework for model based testing of java programs. This report provides a practical introduction to product line requirements modeling. There is no complete and fixed model to price software products. But i think the formulas should be written manually, for example, the cnf file can be. A software product line is a family of programs the products with welldefined commonalities and variabilities that are developed by reusing common artifacts. Facebook is a good example of a platform and a software product. Service companies often find it hard to instill product thinking in teams. We have used our individual strengths to complement each other in creating our first software product. Nov 15, 2010 in a recent conversations with developers of cesm, it was pointed out to me that they did not consider their software to be a product lineat least not in the formal sense.
Well, there are some good reasons to consider a model like cesm a product line, but also a few places where the spl analogy will break down. Today, youve learnt what it takes to create a software product. Whats the difference between a software product and a platform. During application development, platform software is selected and configured to meet the specific needs of the application. May 30, 2008 a software product line is a set of software intensive systems sharing a common, managed set of features that satisfy the specific needs of a particular market segment or mission and that are developed from a common set of core assets in a prescribed way 4. One increasing trend in software development is the need to develop multiple, similar software products instead of just a single individualproduct. Software product lines elearning software product lines. Using the definition of inheritance we construct a product line model, specify new product variations and check that the new variants do not affect behaviour of the old products modeling evolution. Visualization support for software product line modeling.
Long a standard practice in traditional manufacturing, the concept of product lines is relatively new to the software industry. A software product line is a set of software products that share a common set of features. A cost model for software product lines springerlink. We help more than 5,000 companies and 300,000 users create strategic plans. People working on software applications believe that they are only on a temporary project that could range from a few months to a year. A software product line is a family of systems that share a common set of core technical assets, with preplanned extensions and variations to address the needs of specific customers or market segments. Automatic derivation of a product performance model from a. Why digitization requires a new it operating model.
Using this example we will show how a product line is designed, and how product variants can be derived automatically. Configuration of software product line is often a more laborious process than anticipated before. The software product line strategy defines specific tasks for the organizational management, technical management, and software engineering aspects of. Companies sell multiple product lines under their various brands. How to get computer make and model windows command line. A product line is a group of related products under a single brand sold by the same company. The basis of sple is the explicit modelling of what is common and what differs between product variants. This process is experimental and the keywords may be updated as the learning algorithm improves. After creating the problem space model we can use it to perform some initial analysis. Software product line article about software product line. Testing a software product line sei digital library. There are some languages which describe the constraints in feature model. Model based testing relies on a model of the system under test.
Establishing a pricing structure for software products. In product line engineering, hierarchical production line constitutes an architecturelike construct, in that there are interfaces and relationships among the nested product lines. To enable fast, businessaligned decision making, cios are replacing portfolios of discrete capital projects with enduring product lines. A software product line, also known as software family, is a set of software intensive systems sharing a common, managed set of features that satisfy the specific needs of a particular market segment or mission and that are developed from a common set of core assets in a prescribed way 6. Whats the difference between a software product and a. Dell recommends the fastest and easiest way to identify your product model and get personalized support is to let the dell support website detect your product or to enter your products service tag. However, before we introduce the example, we will take a small detour into the basis of sple. Testrelated activities that can be used to form the test process for a product line organization are described. Software product lines the journal of object technology. A product line is a set of products that together address a particular market segment or fulfill a particular mission.
This third option provides general support information based on your product model. Introduction the increase in the number of similar requests for software systems, i. A novel modelbased testing approach for software product. So what jost is saying is that software products i. A framework for software product line practice, version 5. In a modeldriven software product line spl which adopts dsm technique, products are represented as product models defined in a dsl. We can also get architecture 32bit64bit using this command. The success of the software product line strategy is due, at least partially, to its comprehensive nature. Product line cost model software product line development cost software reuse these keywords were added by machine and not by the authors. How to create your own software product blogging wizard. Product line analysis applies established modeling techniques to engineer the requirements for a product line of softwareintensive systems. Theres another command which can be used to get the computer system model information.
In software development, a feature model is a compact representation of all the products of the software product line spl in terms of features. I am new in the field of software product line please suggest me best tool for software product line and how i can use it if u have some tutorial or ebook or some material related to that tool. Software product line engineering with feature models. From software product lines to software ecosystems. Each product line also called endtoend service or value stream enables a business capability.
Software product line feature model stack overflow. One major difficulty with software product line engineering is unavailability of standardize configuration process model that reduces the adverse affects of configuration related issues and problems such as requirements conflicts of samemultiple stages, complexity of conflicts resolution, adhoc. Plans for adopting a productcentric application delivery model. Next time, well look at how to market and sell your software product. Managing everything as a product is unlikely to be justified, as some it activities, such as initial implementation of a large software package, may well be better managed as projects.
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