The following tables compare general and technical information for a number of notable network monitoring systems. Please see the individual products' articles for further information. Features Legend Product Name The name of the software, linked to its Wikipedia article. IP SLAs Reports Support of Cisco's IP Service Level Agreement mechanism. Logical Grouping Supports arranging the hosts or devices it monitors into user-defined groups. Trending Provides trending of network data over time. Trend Prediction The software features algorithms designed to predict future network statistics. Auto Discovery The software automatically discovers hosts or network devices it is connected to. Agentless The product does not rely on a software agent that must run on hosts it is monitoring, so that data can be pushed back to a central server. "Supported" means that an agent may be used, but is not mandatory. An SNMP daemon does not count as an agent. SNMP Able to retrieve and report on SNMP statistics. Syslog Able to receive and report on Syslogs. Plugins Architecture of the software based on a number of 'plugins' that provide additional functionality. Triggers/Alerts Capable of detecting threshold violations in network data, and alerting the administrator in some form. WebApp Runs as a web-based application. No: There is no web-based frontend for this software. Viewing: Network data can be viewed in a graphical web-based frontend. Acknowledging: Users can interact with the software through the web-based frontend to acknowledge alarms or manipulate other notifications. Reporting: Specific reports on network data can be configured by the user and executed through the web-based frontend. Full Control: ALL aspects of the product can be controlled through the web-based frontend, including low-level maintenance tasks such as software configuration and upgrades. Distributed Monitoring Able to leverage more than one server to distribute the load of network monitoring. Inventory Keeps a record of hardware and/or software inventory for the hosts and devices it monitors. Platform The platform (Coding Language) on which the tool was developed/written. Data Storage Method Main method used to store the network data it monitors. License License released under (e.g. GPL, BSD license, etc.). Maps Features graphical network maps that represent the hosts and devices it monitors, and the links between them. Access Control Features user-level security, allowing an administrator to prevent access to certain parts of the product on a per-user or per-role basis. IPv6 Supports monitoring IPv6 hosts and/or devices, receiving IPv6 data, and running on