April 14, 2006 | caBIG recognizes that there are varying degrees of interoperability. For its purposes, it defines four levels against which products are classified. They are:
Legacy: Implies no interoperability with an external system or resource
Bronze: Classifies the minimum requirements that must be met to achieve a basic degree of interoperability
Silver: A rigorous set of requirements that, when met, significantly reduce the barrier to use of a resource by a remote party who was not involved in the development of that resource
Gold: Currently being defined by caBIG. Is expected to provide for a formalized grid architecture and data standards that will enable standardized advertising, discovery, and use of all federated caBIG resources
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