Abstract: The Industrial Internet is the deep integration of the new generation of network information technology and the manufacturing industry. It is an important infrastructure to realize industrial digitization, networking, and intelligent development. Through the comprehensive interconnection of people, machines and things, as well as the comprehensive link of all elements, entire industry chain and the entire value chain, Industrial Internet promotes the formation of a new industrial manufacturing and service system. The article introduces the background, system design, deployment architecture of identifier resolution, and briefly explains the current operation.

Key words: Industrial Internet, identifier resolution, identification code, top-level nodes