This document discusses Sangfor Technologies and the changing IT industry landscape. It advocates for a software-defined IT infrastructure approach using hyper-converged infrastructure (HCI) to provide agility, security, and simplicity. HCI consolidates compute, storage, networking and security onto commodity servers to create unified, automated infrastructure that can quickly provision new resources and applications with zero human intervention. The document outlines Sangfor's HCI approach and solutions to help customers smoothly transition their data centers to software-defined IT.