4th International Conference on Computer Networks & Data Communications (CNDC-2017) will provide an excellent international forum for sharing knowledge and results in theory and applications of Computer Networks and Data Communications. The Conference looks for significant contributions to the Computer Networks and Communications for wired and wireless networks in theoretical and practical aspects. Original papers are invited on Networks, wireless and Mobile, Protocols and wireless networks and security. The aim of the conference is to provide a platform to the researchers and practitioners from both academia as well as industry to meet and share cutting-edge development in the field.