The PDCA cycle has a number of advantages and disadvantages. What is great about the PDCA cycle is that it can be applied across industries and organizational types. Implementing Total Quality Management or Six Sigma initiatives.Implementing change and continuous improvement.Avoiding waste by catching and adapting ineffective solutions before rolling them out on a large scale.Exploring and testing multiple solutions in a small, controlled trial.The Plan-Do-Check-Act model is a helpful tool that can be used for a number of applications: The goal is to improve on each improvement in an ongoing process of learning and growth. Deming himself called it by another term-the Shewhart cycle-because he created the model based on an idea from his mentor, Walter Shewhart.Īs all of these names suggest, the PDCA cycle is a loop rather than an end-to-end process. The PDCA model was developed in the 1950s by William Deming as a learning or improvement process based on the scientific method of problem-solving. Given a rollup-centric roadmap, the immediate necessity of shard chains is debatable.The Plan-Do-Check-Act (PDCA) cycle, also known as the Deming wheel or the Deming cycle, is an iterative method for continual improvement of processes, products, or services and is a key element of lean management. Though the plans around Phase 2 have been a point of intense research and discussion, with the merge planned before shard chains, this will allow for continued reassessment as to the needs of Ethereum development moving forward. This is now known as "the merge" and will be a significant step towards a greener Ethereum. To expedite the transition away from proof-of-work mining, Mainnet will instead represent the first shard to connect with the Beacon Chain. Phase 1.5 was originally planned to follow shard implementations, when Mainnet would be added as the last shard to the Beacon Chain. Phase 1 originally focused on implementing the shard chains, but prioritization has shifted to "the merge". Phase 0 described the work to get the Beacon Chain live. View the upgradesīut if you've followed the discussions, here's how the upgrades fit into technical roadmaps, and a bit on how they're changing. We think it's easier to understand what's happening when you read about the outcomes. We're reluctant to talk too much in terms of a technical roadmap because this is software: things can change.
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