The ACM SIGCOMM 2015 conference seeks papers describing significant research contributions to the field of computer and data communication networks. We invite submissions on a wide range of networking research, including, but not limited to: Design, implementation, and analysis of network architectures and algorithms Enterprise, datacenter, and storage area networks SDNs and network programming Experimental results from operational networks or network applications Economic aspects of the Internet Energy-aware communication Insights into network and traffic characteristics Network management and traffic engineering Network security and privacy Network, transport, and application-layer protocols Networking issues for emerging applications Fault-tolerance, reliability, and troubleshooting Operating system and host support for networking P2P, overlay, and content distribution networks Resource management, QoS, and signaling Routing, switching, and addressing Techniques for network measurement and simulation Wireless, mobile, and sensor networks