Most of the challenges related to the development of multi-processor platforms for complex wireless and multimedia applications fall into the Electronic System Level (ESL) domain. That is to say, design tasks like embedded SW development, architecture definition, or system verification have to be addressed before the silicon or even the RTL implementation becomes available. We believe that one of the major obstacles preventing the urgently required adoption and proliferation of an ESL based design approach is the nonexistence of an efficient and intuitive methodology for modeling complex platforms. This abstract gives a rough overview of a modeling methodology we have developed on the basis of SystemC based Transaction Level Modeling (TLM) in order to remedy this lack of modeling competence.