This volume presents the proceedings of the 21st International Conference on Computer Networks (CN 2014), focusing on advancements and applications in the field. The conference, held in Brunów, Poland, gathered researchers and practitioners to share their latest findings. The 34 selected papers offer insights into various aspects of computer networking, teleinformatics, and communications, reflecting the dynamic evolution of these technologies.

The proceedings of the CN 2014 conference offer a snapshot of the research landscape in computer networks as of June 2014. The collection of 34 thoroughly refereed papers suggests a focus on both theoretical underpinnings, such as queueing theory, and practical applications in teleinformatics, communications, and e-business. The selection process, involving careful review and selection, indicates a commitment to presenting high-quality contributions to the field.