The increasing number of functions in modern vehicles like automobiles induces an increasing number of information to be interchanged between the diverse electronic control units (ECU) in the vehicle. Modern systems, like advanced driver assistance systems or infotainment systems, demand broadband communication channels. Beside the traditional bus systems, like CAN, MOST or FlexRay, Ethernet becomes more and more important for the in-vehicle data interchange, too.

In this paper, the network simulation framework OMNeT++ is used for development and testing of automotive Ethernet-Networks. Therefore OMNeT++ is extended by the INET framework. It is augmented by an implementation of the protocol SOME/IP (-SD) and an connector to the middleware Gamma V. The middleware is used to configure the network by initialization. Additionally data, which is sent over the network, can be changed on the fly. The contribution of this work regards three main aspects: First, the use of OMNeT++ for network development in automotive industry. Second, the employment of an existing simulation model and using it as restbus simulation for Hardware in the Loop (HiL) testing or rapid prototyping. Finally, the implementation of SOME/IP(-SD) into OMNeT++.