一个性能需求指定了性能可接受的限值，并帮助您确认服务层次的协议。
A performance requirement specifies acceptable thresholds of performance and helps validate service level agreements.
若应对得当，服务外包业可借机实现产业机构和服务层次的升级。
Dealt with appropriately, service outsourcing industry can achieve the upgrade in industrial organization and service level.
本文基于DAI，应用ogsa的服务层次概念，提出了数据库代理框架。
This thesis provides Database Broker service based on the concept of layered services in DAI according to OGSA.
应用推荐