DevOps Glossary

Target value or range of values for a service level that is measured by one or more Service Level Indicators.

Infrastructure layer for facilitating service-to-service communications between microservices.

Measure of a service's ability to perform its intended function consistently and without failure.

Practice of simulating the behavior of system components to enable continuous testing.

Undocumented or unofficial APIs within an organization that may pose security risks or lead to inefficiencies if not properly managed.

Unofficial or unapproved continuous delivery practices within an organization, potentially bypassing established processes.

IT systems and solutions built and used inside organizations without explicit approval.

Cloud security framework that delineates security obligations of a cloud provider and its users.

Practice of moving testing, quality, and performance evaluation earlier in the development process.

Practice of extending testing and quality assurance into production environments.

Practice of integrating security earlier in the software development lifecycle, improving overall application security.

Practice of performing testing earlier in the software development lifecycle to catch and fix issues sooner.

Approach that extends testing into production environments, allowing for real-world validation and continuous improvement.

Cloud monitoring and observability platform for infrastructure, microservices, and applications, enabling real-time analytics.

Approach where security is treated as a separate concern, not integrated with development and operations.

Suite of tools created by Netflix to test the resiliency of its AWS infrastructure.

Development practice where all work is done on a single branch in version control.

IT professional who combines software and systems engineering to create scalable and reliable software systems.

Discipline that incorporates aspects of software engineering and applies them to infrastructure and operations problems.

Tool for automating the setup and teardown of temporary environments, useful for testing and development purposes.

Explore the pinnacle of system reliability: "six nines" uptime. Discover what 99.9999% availability means, its rarity, and the extreme measures required to achieve this DevOps feat.

System administration tool designed for automating repetitive tasks across multiple servers, improving efficiency and consistency in IT operations.

Preliminary testing to reveal simple failures severe enough to reject a prospective software release.

Capture of the state of a system at a particular point in time, often used for backups.

Open-source network intrusion detection and prevention system, capable of real-time traffic analysis and packet logging on IP networks.