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The alpha phase of the release life cycle is the first phase of software testing (alpha is the first letter of the Greek alphabet, used as the number 1). In this phase, developers generally test the software using white-box techniques. Additional validation is then performed using black-box or gray-box techniques, by another testing team.
In software engineering, a software development process or software development life cycle (SDLC) is a process of planning and managing software development. It typically involves dividing software development work into smaller, parallel, or sequential steps or sub-processes to improve design and/or product management .
Release management is the process of managing, planning, scheduling and controlling a software build through different stages and environments; it includes testing and deploying software releases. [ 1 ] [ 2 ]
A systems development life cycle is composed of distinct work phases that are used by systems engineers and systems developers to deliver information systems.Like anything that is manufactured on an assembly line, an SDLC aims to produce high-quality systems that meet or exceed expectations, based on requirements, by delivering systems within scheduled time frames and cost estimates. [3]
Coding: the development, proving, and integration of software; Testing: the systematic discovery and debugging of defects; Operations: the installation, migration, support, and maintenance of complete systems; Thus, the waterfall model maintains that one should move to a phase only when its preceding phase is reviewed and verified.
Continuous delivery (CD) is a software engineering approach in which teams produce software in short cycles, ensuring that the software can be reliably released at any time. [ 1 ] [ 2 ] It aims at building, testing, and releasing software with greater speed and frequency.
Construction is the largest phase of the project. In this phase, the remainder of the system is built on the foundation laid in elaboration. System features are implemented in a series of short, time-boxed iterations. Each iteration results in an executable release of the software.
ISO/IEC/IEEE 12207 Systems and software engineering – Software life cycle processes [1] is an international standard for software lifecycle processes. First introduced in 1995, it aims to be a primary standard that defines all the processes required for developing and maintaining software systems, including the outcomes and/or activities of each process.