The overall contributions of D2.2 can be summarized as follows: General architecture and new business model scenarios (neutral host). Service layer functional description. Orchestration & Control Layer functional description. Infrastructure Layer functional description. Interface and workflows specification This deliverable provides the basis for the design and implementation work that will be performed in the work packages 3, 4 and 5. As it is expected that the architecture can change over time based on findings throughout the project, it illustrates the first version of the 5GCity architecture, as a result of the first iteration.