The Fourth Newcom Department 6 Technical Workshop was organized in Toulouse, France, on September 13-14, 2006. The workshop program contained 6 presentations and contained reports on ongoing integrated research activities as well as presentation intended to initiate additional joint research activities between the partners. All of the three areas of the department, transport protocols, architectures and cross-layer aspects, and modelling were represented with presentations. This deliverable contains the presentation material from the workshop. The included presentations are:- P2P Video Transmission over Heterogeneous Wired/Wireless Networks: A Starting Point for Integrated Research- DCCP Overview and First Experiments- Estimation of the SCTP Failover Time- Improving End to End Goodput of Ad Hoc Networks with SCTP Multihoming- A Taxonomy and Survey of SCTP Research- Integrating KAUnet and SWINEWhere available the presentation notes are also included with the presentations