As network managers, engineers, and operators strive to protect the integrity and performance of enterprise networks, they are faced with an onslaught of data and metrics.  They must wade quickly and carefully through this deluge in order to perform monitoring, troubleshooting, and planning. With recent trends moving technology toward software-defined and programmable infrastructure, as well as the parallel convergence of IT operations across multiple technology domains, network log data is being increasingly both used and appreciated. This ENTERPRISE MANAGEMENT ASSOCIATES® (EMA™) research report takes a detailed look at the ways in which which network log data is being harvested, analyzed, and used for network operations management. Included are recommendations for best practices based on the experiences and findings of enterprise practitioners.