A secure model to establish trust relationships in web services for Virtual Organizations

This paper introduces a model making use of the security proposals based on Web Services architecture that aims to provide guarantees authentication and authorization transfer among different security domains. The model describes a flexible, scalable and secure way to establish trust relationships among Virtual Organization partners and to assign the access rights or roles to each partner in the VO. This model serves as a mediator for the interoperability among of security technologies that are found in a Collaborative Network.