App Maintenance Definitions

  • A

    application monitoring and management (AMM)

    Application monitoring and management is the administrative area and associated tools involved with overseeing the operation of business software and ensuring that it functions and performs as expected.

  • Application Performance Index (Apdex)

    Application Performance Index, also known as Apdex, is an open standard intended to simplify measurement and reports of application performance.

  • B

    branching

    Branching is the practice of creating copies of programs or objects in development to work in parallel versions, retaining the original and working on the branch or making different changes to each.

  • G

    Git

    Git is a free and open source distributed code management and version control system that is distributed under the GNU General Public License version 2.

  • I

    immutable infrastructure

    Immutable infrastructure is an approach to managing services and software deployments on IT resources wherein components are replaced rather than changed. An application or services is effectively redeployed each time any change occurs.

  • incremental shift left testing

    Incremental shift left testing is a widely adopted method that starts testing earlier in the development cycle – shifting it to the left on the timeline -- and breaks complex development down into smaller pieces that build upon each other.

  • IT automation

    IT automation is the use of instructions to create a repeated process that replaces an IT professional's manual work in data centers and cloud deployments.

  • IT incident management

    IT incident management is an area of IT service management (ITSM) wherein the IT team returns a service to normal as quickly as possible after a disruption, in a way that aims to create as little negative impact on the business as possible.

  • IT performance management (information technology performance management)

    IT performance management includes purchasing decisions, the standardization of IT equipment and guidance on capital and human resources. The goal is to ensure that key performance indicators (KPIs), service levels and budgets are in compliance with the organization's goals

  • ITSM (IT Service Management)

    IT service management (ITSM) is a general term that describes a strategic approach to design, deliver, manage and improve the way businesses use information technology (IT).

  • L

    legacy application

    A legacy application (legacy app) is a software program that is outdated or obsolete.

  • M

    mean time to detect (MTTD)

    Mean time to detect or discover (MTTD), also referred to as mean time to identify (MTTI), is a measure of how long problems exist in an IT deployment before the appropriate parties become aware of them.

  • S

    shift left testing

    Shift left testing is an approach used to speed software testing and facilitate development by moving the testing process to an earlier point in the development cycle.

  • site reliability engineering (SRE)

    Site reliability engineering (SRE) is the application of scripting and automation to IT operations tasks such as maintenance and support. The goal of SRE is to swiftly fix bugs and remove manual work in rote tasks.

  • software asset management (SAM)

    Software asset management (SAM) is the part of IT asset management that seeks to ensure compliance with license agreements and prevent overspending on software.

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