The 2nd OMNeT++ Community Summit (OMNeT++ 2015) is a two-day workshop that will be held at IBM Research - Zurich, Switzerland, on Thursday and Friday, September 3-4, 2015. The summit brings together developers and researchers to discuss applications and ideas on the important topics of integrating simulation models, coupling different simulation tools and providing more accurate and more efficient modeling approaches. Paper submission deadline: June 12th, 2015