'''UNDER CONSTRUCTION''' [[PageOutline]] In order to truly allow interoperability among different Aggregate Managers, GENI requires a common language for describing resources, resource requests, and reservations. GENI now uses standardized Request Specification (RSpec) documents which are XML documents following agreed schemas to represent resources. The schemas support Aggregate or resource specific extensions. [wiki:GeniRspec Ongoing work] covers agreeing upon ontologies for other resource types. = RSpec Types = [[Image(rspec-types.png, 60%)]] In GENI there are three types of RSpecs: * '''advertisement RSpecs''' * '''reservation RSpecs''' * '''manifest RSpecs'''