To solve management complexity problems resulted from the continuously changing service requirements in Service Management Net(SMN),the characteristics and descriptions of services are analyzed based on the view of service function,the service functions are divided,and reusable components are created.

As an important module within grid system software, the grid job management service is responsible for shielding the heterogeneous and autonomous features of grid computing resources, managing the life cycle of grid jobs, as well as providing standard and easy-to-use user interfaces for grid users who need job-related functions.