The scope of this document is to describe the general use-cases and communication scenarios which shall becovered by an Internet Protocol based vehicle communication standard. Each use-case drives specificcommunication capabilities of the vehicle communication interface e.g. in order to be interoperable in anexisting computer network.The diagnostic communication over Internet Protocol (DoIP) protocol supports the standardized serviceprimitive interface as specified in ISO 14229-2.This part of ISO 13400 provides the transport protocol and network layer services to support differentapplication layer implementations like:. Enhanced vehicle diagnostics (system