Ntop definition

Ntop. This is an integrated tool that can do various kinds of measurements and types of analysis on IP traffic. The four main functions of Ntop are traffic measurement, traffic monitoring, network optimization and planning, and detection of network security violations. Ntop is available as an open source package [44]. The tool can capture and analyze traffic separately from various hosts in a broadcast environment [41]. • MIB-II: The IETF defined the MIB-II [45] as a MIB that all compliant devices should implement and in fact has been deployed by the majority of IP capable equipment. Many IP related metrics can be derived by measurements taken from MIB-II. • Remote Monitoring (RMON): This standard is defined by IETF and enables the monitoring of complete network segments consisting of multiple hosts. RMON currently exists in two versions (RMON-1, and RMON-2) which are described in a set of four documents [46, 47, 48, 49]. RMON-1 can only be used to monitor networks at the Ethernet layer, whereas RMON-2 adds capabilities to RMON to also monitor layers 3 up to 7 of the OSI model. RMON can be used to determine spurious packet rates, error ratios and loss ratios within a single broadcast domain along with throughput verification but it cannot measure transfer delay or variations in transfer delays [41]. • Multi Router Traffic Grapher (MRTG): This tool can monitor sent and received traffic along with occurred errors at router interfaces, and present the results in a graphical form on a web page. The information that MRTG provides can be used as an indication for the values of the throughput and error ratio [41].
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Examples of Ntop in a sentence

  • The four main functions of Ntop are traffic measurement, traffic monitoring, network optimi- zation and planning, and detection of network security violations.

  • The information about the captured packets is then used to perform the four main Ntop functions.

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