China Mobile China Mobile Orange Huawei Technologies Softbank University College London Telefonica This document discusses the general requirements and problem statement of supervised heterogeneous network slicing. The purpose of this document is to identify the key network components that are used to create a network slice instance. Base on this information, a general network slice template can be visualized. Furthermore, the requirement of a common information model is identified and corresponding management consideration of heterogeneous network slice instance is also discussed.