This book constitutes the thoroughly refereed
post-conference proceedings of the 22nd International Colloquium on Structural
Information and Communication Complexity, SIROCCO 2015, held in Montserrat,
Spain, in July 2015.





The 30 full papers presented together with 2 invited
papers were carefully reviewed and selected from 78 submissions. The papers
focus on the study of the interplay between communication and knowledge in
multi-processor systems from both the qualitative and quantitative viewpoints.