DevOps has its roots in the lean manufacturing world, which addresses the problem of engineers designing products that factories can't afford to build.
• Lean (adjective)
– Spare, economical, lacking richness or abundance
• Lean Production
– A production philosophy that focuses on reducing waste and improving the flow of processes to improve overall customer value
• Flow (also known as single-piece flow)
– Describes how people or products move through a process
• Continuous flow
– Smoothly moving people or products from the first step of a process to the last with minimal (or no) buffers between steps
• Value Stream Mapping
– Lean tool that depicts the flow of information, materials and work across functional silos with an emphasis on quantifying waste, including time and quality.
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