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Nowadays, grid computing is moving from sharing computing power and storage resources to sharing business resources, including any abstract business entities and resources. The new trend brings a big challenge, since these universal business resources typically do not belong to the same level. Describing them is already difficult; describing them in a unified way is even more difficult. Business process requires runtime coordination, asynchronous integration, notifications, and state and transaction management. The present Grid solutions generally lack a way to quickly and easily interact and integrate with external business processes and services provided by different localized Grids using a secure, affordable, and manageable approach. Therefore, this paper presents flexible solution framework to enable business resource sharing within and across organizational boundaries in a secure and manageable fashion.