Nov 30, 2015 the software maintenance and support work starts once the delivery of the software product is done. Maintenance management software, often referred to as a computerized maintenance management system or cmms, helps businesses to be proactive rather than reactive with how it approaches maintenance. Product enhancements adding new functionality new module, new report, etc. Indeed,theemphasishas oftenbeen to getthe program upand runningwithout being hindered by guidelines, methodologies, or othercontrols.
With each maintenance type, work orders are scheduled well in advance of when maintenance is actually performed, making them both a form of scheduled maintenance. Proper use of cmms software reports and inventory management features can help reduce inventory carrying costs as well work order completion time. Software maintenance costs will typically form 75%. Software engineering software maintenance cost factors. Software maintenance is a very broad activity that includes error corrections, enhancements of capabilities, deletion of obsolete capabilities, and optimization. The objective of this model is to identify the problem and then fix it as quickly as possible. This is done to add value to the business organization. To put maintenance in its proper perspective requires considerable skill and experience, and in an important and ongoing aspect of system development.
Software maintenance the first law of software engineering no matter where you are in the system life cycle, the system will change, and the desire to change it will persist throughout the life cycle bersoff et al. Software maintenance overview software maintenance is widely accepted part of sdlc now a days. Finally, the last maintenance process, also an event which does not occur on a daily basis, is the retirement of a piece of software. Preventive maintenance involves performing activities to prevent the occurrence of errors. This perception is perpetuated by users submitting. Software development life cycle powerpoint presentation. We need to see the role of maintenance within an organisation. We recommend dedicating some time for doing this, every week or every month. In maintenance management, bug fixing comes at priority to run the software seamlessly.
The kpis will allow your team to identify and further optimize the business processes, determine training requirements and quantify the return on investment. Both preventive maintenance and predictive maintenance are designed to increase the reliability of assets and reduce the amount of reactivity to failures. Software maintenance terminology consists of the activities required to keep a software system operational and responsive after it is accepted and placed into. Maintenance is considered as part of the software development life cycle. The maintenance of a software system requires a tool for impact analysis and the propagation of change. This process contains search out for errors in code and correct them. Software maintenance rengineering business process. Maintenance powerpoint template is a free theme for powerpoint or templates power point background that you can download for your presentations. Taxonomy of software maintenance and evolution chapter. The purpose of software maintenance is defined in the international standard for software maintenance. Ppt maintenance,types of maintenance,breakdown maintenance. A free cmms loaded with professional grade features. Software does not wear out but it will become less useful as it gets older, plus there will always be issues within the software itself.
So, these are the simple computer maintenance tips for better operation of your computer. Experts estimate that organizations can save between 510% on their yearly spare parts inventory costs with a maintenance management program aka cmms software. Moreover, the gui of the kernel for powerpoint version 10. This presentation offers an overview about what software maintenance means, and it provides a series of principles and best practices that should be followed in agile environments. We need our software to work smooth while integrating to multiple other tools, frameworks, features, functionalities, etc. The issues can be occurred in hardware, operating systems or any part of software. Software support contracts include remote troubleshooting and support provided via the telephone and online channels, as well as installation assistance and basic usability assistance. Oct 21, 2016 the more complex the software, the more maintenance it will likely need to ensure continued use. Software maintenance is a part of software development life cycle.
Software maintenance in software engineering is the modification of a software product after delivery to correct faults, to improve performance or other attributes a common perception of maintenance is that it merely involves fixing defects. Software maintenance models that are of most importance are. It stands for all the modifications and updations done after the delivery of software product. Implementation and software maintenance authorstream. A study on estimating software maintenance found that the cost of maintenance is as high as 67% of the cost of entire software process cycle. Old system starts as a specification for new system. Accurately estimate your software maintenance costs galorath. Jul 02, 2018 software engineering software maintenance tutorial. S o f t w a r e m a i n t e n a n c e 11 cost of software maintenance software maintenance 12. Software maintenance software maintenance is the process of changing a system after it has been delivered.
Market conditions policies, which changes over the time, such as taxation and. Software evolution and maintenance book tripathy naik. Software maintenance cost is derived from the changes made to software after it has been delivered to the end user. The advantage is that it performs its work quickly and at a low cost. Definitions the act of keeping, or the expenditure required to keep, an asset in condition to perform efficiently the service for which it is used. Its possible to minimize maintenance costs through intelligent planning and execution, but its also possible. The implementation process contains software preparation and transition activities, such as the conception and creation of the maintenance plan. Software maintenance managing the processes of system change. Software maintenance software maintenance it doesnt take a lot of skill to get a program to work.
Perfective maintenance accounts for 50%, that is, the largest of all the maintenance activities. Software maintenance costs will typically form 75% of tco. Many companies are attempting to implement a variety of maintenance strategies and tactics such as tpm total productive maintenance, rcm reliability centered maintenance, condition based maintenance and cmms computerized maintenance management systems to reduce maintenance costs. Five types of maintenance are in fact recurrent in the industry. Maintenance management powerpoint presentation download. Application maintenance services ams our ams services include. What is the purpose behind the software maintenance. This is not ok, all authorized employees need to lock out the system and check to make sure it was completed properly. Maintenance planning and scheduling maintenance planning and scheduling in order to see maintenance planning and scheduling we need to see it in context of the organisational systems. It tends to reduce the software complexity thereby improving program understandability and increasing software maintainability. It is a planned maintenance of the plant and equipments which is designed to improve equipment life and avoid any sudden failure.
Ppt yang dibuat untuk mempermudah mempelajari perawatan perangkat lunak di maintenance. Ppt software engineering 2 spring 2003 the development. Software maintenance is that last step in the software development life cycle that does not get its fair share of attention. When people shed thousands of bucks on software, they expect it to conform to their needs both present and future. If the application of the program is defined and well understood, the system requirements may be definitive and maintenance due to changing. A free powerpoint ppt presentation displayed as a flash slide show on id. Software maintenance software is released to endusers, and within days, bug reports filter back to the software engineering organization. Or, visit our pricing page for a fullfeatured cmms. Department of energys federal energy management program femp. Software maintenance and support services include longterm and payasyougo incidentbased support contracts.
Software maintenancesoftware maintenance a very essential activity 2. Allowing an electrician to lock out a system and the authorized person doing the maintenance does not lock out the equipment and doesnt verify its in a safe state. We need to upgrade your system with latest technologies 2. The role of cmms 2 measuring the process to evaluate the success of maintenance processes and your implementation as a whole, key performance indicators kpis need to be defined. Ppt software engineering 2 spring 2003 the development process powerpoint presentation free to download id. The skill comes in when you have to keep it working. The main purpose of software maintenance is to modify and update software application after delivery to correct faults and to improve performance. Modifying a program after it has been put into use. No credit card required, its a completely free cmms. Predictive maintenance is a proactive maintenance strategy that tries to predict when a piece of equipment might fail so that maintenance work can be performed just before that happens.
Modification of a software product after delivery to correct faults, to improve performance or other attributes, or to adapt the product to a modified environment. Software maintenance world scientific publishing co. This life cycle consists of seven different phases, each of which can be used in iterative manner and can be extended so that. This template graphically presents the circular diagram of software development lifecycle using impressive slide designs. Software evolution software types laws of evolution maintaining software types of maintenance challenges of maintenance reengineering and reverse.
Maintenance management powerpoint presentation download 78. Application maintenance and support best practices. The adobe flash plugin is needed to view this content. Ppt software maintenance khalid oki wibowo academia. This is an ad hoc approach used for maintaining the software system. Software maintenance is widely accepted part of sdlc now a days. Slideshow about preventive maintenance software by assetpoint powerpoint ppt presentation. Pc troubleshooting and maintenance guide 3 windows reports smaller capacity in the windows explorer tool and in the my computer window because it shows information about one partition on the hard disk drive at a time. Definitions the act of keeping, or the expenditure required to keep, an asset in. Remove this presentation flag as inappropriate i dont like this i. There are number of reasons, why modifications are required, some of them are briefly mentioned below.
The first partition contains the system recovery information. It includes painting, lubrication, cleaning, adjusting and component replacement to prolong the useful life of the production equipment. This varies and is a bit of a loaded question because every software product is different. Isoiec 12207 identifies the primary activities of software maintenance as. Software maintenance is the process of modifying a software product after it has been delivered to the customer. Its main purpose is to modify and update software application after delivery to correct faults and to improve performance. Total productive maintenance powerpoint template sketchbubble.
Production support and application maintenance corrective maintenance, bug fixes, production support, and coordination with l1 team where required support phase infosys provides warranty. Total productive maintenance is a methodology used to improve the quality and the integrity of production by enhancing the various components of a company including the employees, processes and equipment. Software maintenance and computer aided software engineering case lecture 12 dr. To address this issue and the other maintenance issues presented above, we propose a maturity model for software maintenance modeled after the cmmi of the software engineering institute sei02. However, one study indicated that over 80% of maintenance effort is used for noncorrective actions. The modification of a product, after delivery, to correct faults, to improve performance or other attr. These predictions are based on the condition of the equipment that is evaluated based on the data gathered through the use of various condition monitoring. Ppt software maintenance powerpoint presentation free to.
First we identify the software maintenance unique activities. There are two types of cost factors involved in software maintenance. Software maintenance is an important phase of software development life cycle sdlc, and it is implemented in the system through a proper software maintenance process, known as software maintenance life cycle smlc. This article discusses the benefits that leading organisations enjoy when they have high levels of maintenance maintenance, application of new support and, maintenance and support services. Software maintenance is often considered to be an unpleasant, time consuming, expensive and unrewarding occupation something that is carried out at the. Utilizing the internet of things is key for implementing a successful predictive maintenance program, as is the use of predictive maintenance sensors and. The importance of software maintenance software maintenance is the process of modifying a software system or component after delivery to correct faults, improve performance, or adapt to a changed environment the institute of electrical and electronics engineers ieee. Companies smes as well as large groups know how their productivity partly depends on their industrial maintenance processes.
Need for maintenance software maintenance must be performed in order to. A software product needs maintenance to support the new features that the users want or to change different types of functionalities of the. Software engineering software maintenance geeksforgeeks. On an average, the cost of software maintenance is more than 50% of all sdlc phases. Modification of a software product performed after delivery to keep a software product usable in a changed or changing.
The objective of software maintenance is to modify existing software while preserving its integrity. The mission of femp is to facilitate the federal governments implementation of sound, cost. Software maintenance planning should begin with the decision to develop a new. Sdlc the software development life cycle sdlc, or system development life cycle in systems engineering, information systems and software engineering, is the entire process of formal, logical steps taken to develop a software product. Ppt software maintenance powerpoint presentation, free. Ppt software maintenance powerpoint presentation free. This free business ppt template can be used to create nice maintenance powerpoint presentations including computer maintenance or support as well as auto parts or car repair presentations. Software maintenance software implementation software engineering ppt software life cycle you cant enter more than 5 tags. Sdlc software development life cycle powerpoint presentation is a professionally designed project management methodology framework. It stands for all the modifications and updations done after. The updated version of the software now supports ppt.
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