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Traditional software development life cycle
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Hello Dr. Robert Strader, Based on this week’s discussion which is based on comparing the classic Software development life cycle (SDLC) to the Microsoft's Security Development Lifecycle(SDL). I would want to say that the Software Development Lifecycle is a structure which defines tasks to be performed at each step in the Software Development. And on the other hand, the Security Development Lifecycle(SDL)is a process which helps developers creating software applications to make them more secure and address the security compliance by reducing development cost. Software and Security: Without software, a computer would simply be an interesting experiment in an engineering lab. The software gives value to computers by using them to support day-to-day …show more content…
In the case of web-based applications software, it must include controls to protect the value of the business and its information from the exposure to end users in the outside world. There is this mediation between end users, the valuable data, and the outside world. Software development life cycle (SDLC): The process by which the software is conceptualized developed and maintained this process is known as Software Development Lifecycle. There are seven key points to understanding Software Development Lifecycle. 1. Planning: This is the process in which the outline of the project is created and why this software is needed is …show more content…
One of the most crucial factors that lead to Microsoft creating secure software is the use of the Security Development Lifecycle or SDL. SDL has been used in the development of Windows 7 Microsoft office, windows internet explorer 8, asp.net-mvc, windows server 2008 and many more products so what is SDL. The SDL is a set of processes and tools designed to minimize the number and potential impact of any security vulnerabilities in a software product these processes and tools are used at every stage of the software development lifecycle beginning with security training for all team members. Requirements phase: The team will identify the key security objectives for the product set the appropriate bug bars that define security and quality for the product lifecycle and perform security and privacy risk assessments. Design phase: The team will undertake a threat modeling exercise to analyze and document the applications attack
A software development process, also known as a software development life cycle (SDLC) can be explained as a structure, imposed on the development of a software product. The software development life cycle (SDLC) is an umbrella term for the overall process of developing, implementing, and retiring information systems through a multiple step process from initiation, training, documentation , design, analysis, maintenance, and consulting.
The Systems Development Life Cycle (SDLC) consists of phases used in developing a piece of software. It is the plan of how to develop and maintain software, and when necessary, replace that software. In 2007 during my hospital’s transition to a new software system, I was fortunate enough to be included in the process. I did not get involved until the implementation phase, but from then on, until now, I remain very active in the process. I decided to highlight the Waterfall Model of SDLC. The Waterfall Model is a “sequential development process” with each phase continuing in a line (McGonigle and Mastrian, 2012, p. 205).
The waterfall methodology flows in a downward fashion, similar to the way water flows downwards, take developers from the high-level initial requirements gathering through the system testing and product shipment. The waterfall methodology create blueprints or plans for the optimal process for software developme...
A software development methodology defines the activities to be undertaken by each individual in the development process, specific techniques for accomplishing those activities, like using a flowchart to document the program logic of a particular software. It also offers guidelines to manage the quality of software at various stages of development.
The approach or the model framework of the project development is iterative and incremental development, that is, iterative and incremental development is a discipline for developing systems based on producing deliverables. Therefore, the basic idea behinds this approach is to develop a system through repeated cycles (iterative) and in smaller portions at a time (incremental), allowing developers to take advantage of what was learned during development of earlier parts of the project. Specifically saying, in incremental development different parts of the system are developed at various times and integrated based on their phases while in iterative development, parts of the system will be revisited in order to revise and improve them. Nevertheless, successful deliverables are acquired through modifying targets of the system consulted by users in order to get feedbacks.
• Phase I (Research and Development) - This four month phase will involve evaluating the needs and desires of Texas Instruments’ employees.
Most of the software development projects change just during the development is in process. This is the reason that agile methodology is best for these projects. There is a room for change in them. Software developers follow these methods and this is the reason that they have further modified these methods according to the different types of projects they confront in their development time.
The boundaries may seem obvious to you, but once a project team starts talking about where the process begins and ends, you will appreciate the clarity the SDD brings to the work.
Given the time, it takes to develop large sophisticated software systems it not possible to define the problem and build the solution in a single step. Requirements will often change throughout a projects development, due to architectural constraints, customer’s needs or a greater understanding of the original problem. Iteration allows greater understanding of a project through successive refinements and addresses a projects highest risk items at every stage of its lifecycle. Ideally each iteration ends up with an executable release – this helps reduce a projects risk profile, allows greater customer feedback and help developers stay focused.
This White paper is about Software development life cycle based on agile principles or software development iterative methodology .This white paper contains and talks about Software Development Lifecycle (SDLC) employed to create a major or minor software r...
As part of developing the need in the initial investigation step in the systems development life cycles (SDLC) process, a constructive method is use case. Use case is a technique for capturing requirements with written scenarios in non-technical terminology that describe how a system interacts with a user or another system (University of Phoenix, Course Syllabus, 2006). There are two fundamental pieces, along with how they relate, to bear in mind: the actors and the goals. The actors are everyone and everything that will use (or be used) by the project progress reports, and the goals, which are what the actors want to achieve. The use case will describe the goals achieved by the actors who perform tasks (Carr & Meehan, 2005).
What is the waterfall methodology? According to several software engineering sites, the waterfall methodology is also known as the linear-sequential life cycle model and also known as the traditional approach to software development. The waterfall model is as follows: Requirement of gathering and analysis, flowing down to, System design, then flowing down to Implementation, followed by Testing, and then Deployment of the system, and the final phase of Maintenance. The idea of the waterfall approach is that once a phase is completed, the process continues to move down the chain until all of the phases are completed and there is a product to deliver; the method is unidirectional. The waterfall approach is known for not allowing changes to be implemented passed the requirement gathering and analysis phase.
Requirements engineering begins during the communication activity, continues into the modeling activity, and builds a bridge from the system requirements into software design and construction. Through requirements engineering, there is an examination of the context of software work performed. It is essential for the software engineering team to understand all requirements of a problem before the team tries to solve the problem. An identification of specific needs that the design and construction must address is also included. Further is a need for the identification of the priorities that guides the order for the completion of work. This i...
“Computers play a key role in almost every sphere of life” (Berry, Terrie). Without them, everything would be different. People all around the world own or used a computer. Whether you are a professional in technology or just an average person, computers are still very important in your everyday life. “No other technology has accessed the world like computers and the use of the Internet have” (Maddox, Amanda). Without computers, consumers would not be able to do half the things as quickly as we can. Advances in computer design have increased its use for different industries, especially in the medical field.
Project planning falls in the Planning Process Group which consists of those processes to establish the projects total scope, define the projects objectives, and courses of action to achieve those objectives. During the planning process, all the documents that are needed to carry the project through the project lifecycle will be developed such as the project management plan. Project management requires repeated feedback loops as additional information becomes available and is better understood. The planning process delineates the strategy, tactics, and path to successfully complete the project. With that, the planning of a project must walk through all the those processes from executing, monitoring and controlling through the closing process.