The purpose of this work item is to identify and describe the emerging IPv6 based use cases and scenarios: IPv6 evolution in Data Centers, Network and Cloud Integration .In this case,IPv6 can be envisaged to be used to meet the following requirements. - IPv6 evolution in Data Centers where the cloud resides, - Inter-connection of clouds - IPv6-based virtual private cloud planning - Addressing of the virtual machines in the cloud and inter-working with global Internet - New services or functions, such as SFC (service function chain) and SD-WAN. It should be noted that the use case mentioned here is independent to wireless and wireline network.