Cisco Systems Inc offers Network Analysis Module (NAM) tool that includes network traffic analysis, performance monitoring, network visibility, and advanced troubleshooting solutions. NAM allows a network administrator to effectively monitor, analyze, and optimize the network which helps in improving and securing the network performance. Cisco’s NAM offers an intuitive Graphical User Interface (GUI) to provide real-time and historical information in graphic form. NAM solution has a range of features, such as application monitoring for voice, data, and video, analyze the packet, VoIP analysis, and traffic visibility. An end-user can access the data via a web browser at anytime and anywhere in the world. Cisco NAM offers a high level of security that includes Secure Sockets Layer (SSL) and Secure Shell (SSH) based security.