The Research of Resolution System of Digital Resource Unique Identifier
数字资源唯一标识符解析系统研究*

This article analyses existing resolution mechanisms used by some identifier system, in which, Handle System is an outstanding one. Regarding Handle System as the main target, the article describes its namespace, service architecture, identifier management and resolution mechanism, and Handle System protocol. Finally makes a brief introduction of deploy status of experimental unique identifier system based on Handle System in China.