The VTOM model, mapping by the market framework of the economy to the resource management, concentrates the merits from the distributed schedule and the centralized schedule in some extent. Therefore, it is better than the GRACE model.

• VTOM 模型把经济生活中的市场组织结构映射到网格的资源管理,在一定程度上集中了分布式调度和集中式调度的优点,是一个自适应的、可总体调控的资源管理模型,能够适应资源的动态变化,优于GRACE 模型。