"A Note from the Author"

I work as a technical support engineer at an AWS reseller in Japan, operating under the AWS Solution Provider Program. Our customers range from large enterprises to small businesses, and a significant part of my role involves helping them navigate the AWS Management Console and understand new features.

One thing worth noting for international readers: Japan's IT industry has traditionally relied heavily on outsourcing to external vendors and system integrators for building and managing cloud infrastructure. In-house engineering teams are less common compared to the U.S., which means decision-making around AWS configurations often involves multiple stakeholders across organizational boundaries.…