In 2010 the internationalfederated conferenceson Distributed Computing Te- niques (DisCoTec) tookplacein Amsterdam, during June 7-9.It washosted and organized by the Centrum voor Wiskunde & Informatica. DisCoTec conferences jointly cover the complete spectrum of distributed computing subjects ranging from theoretical foundations to formal speci?- tion techniques to practical considerations. The 12th International Conference on Coordination Models and Languages (Coordination) focused on the design and implementation of models that allow compositional construction of lar- scale concurrent and...