Optimizing the beacon exchange rate for proactive autonomic configuration in ubiquitous MANETs

Proactive self-configuration is indispensable for MANETs like ubiquitous sensor networks (USNs), as component devices of the network are usually exposed to natural or man-made disasters due to the hostile deployment and ad hoc nature of the USNs. Network state beacons (NSBs) are exchanged among the key nodes of the network for crucial and effective monitoring of the network for steady state operation. The rate of beacon exchange (F/sub E/) and its contents, define the time and nature of the proactive action. Therefore it is very important to optimize these parameters to tune the functional response of the USN. This paper presents a comprehensive model for monitoring and proactively reconfiguring the network by optimizing the F/sub E/. The results confirm the improved throughput while maintaining QoS over longer periods of network operation

Flooding attacks to internet threat monitors (ITM): Modeling and counter measures using botnet and honeypots

The Internet Threat Monitoring (ITM),is a globally scoped Internet monitoring system whose goal is to measure, detect, characterize, and track threats such as distribute denial of service(DDoS) attacks and worms. To block the monitoring system in the internet the attackers are targeted the ITM system. In this paper we address flooding attack against ITM system in which the attacker attempt to exhaust the network and ITM's resources, such as network bandwidth, computing power, or operating system data structures by sending the malicious traffic. We propose an information-theoretic frame work that models the flooding attacks using Botnet on ITM. Based on this model we generalize the flooding attacks and propose an effective attack detection using Honeypots

PENERAPAN MONITORING JARINGAN DENGAN ZABBIX PADA PT. PLN (PERSERO) UIP BAGIAN SUMBAGSEL

PT PLN (Persero) UIP SUMBAGSEL, as a government company in the energy sector, faces challenges in ensuring reliable and efficient internet network access for employees. The lack of a monitoring system that assists administrators in monitoring network devices causes difficulties in ensuring consistent device status and connectivity. Zabbix is an open-source software for network monitoring, offering an effective solution to monitor network performance and detect problems in real-time. This research aims to design and implement a network monitoring system using Zabbix at PT PLN (Persero) UIP SUMBAGSEL. The research method used is Network Development Life Cycle (NDLC), which includes the stages of analysis, design, simulation, implementation, monitoring, and management. The results showed that Zabbix is able to detect Mikrotik devices connected to the network and monitor device performance, such as network traffic and memory usage. In conclusion, the implementation of monitoring with Zabbix is effective for monitoring the availability of network devices, which is expected to increase operational efficiency and productivity at PT PLN (Persero) UIP SUMBAGSEL.PT PLN (Persero) UIP SUMBAGSEL, as a government company in the energy sector, faces challenges in ensuring reliable and efficient internet network access for employees. The lack of a monitoring system that assists administrators in monitoring network devices causes difficulties in ensuring consistent device status and connectivity. Zabbix is an open-source software for network monitoring, offering an effective solution to monitor network performance and detect problems in real-time. This research aims to design and implement a network monitoring system using Zabbix at PT PLN (Persero) UIP SUMBAGSEL. The research method used is Network Development Life Cycle (NDLC), which includes the stages of analysis, design, simulation, implementation, monitoring, and management. The results showed that Zabbix is able to detect Mikrotik devices connected to the network and monitor device performance, such as network traffic and memory usage. In conclusion, the implementation of monitoring with Zabbix is effective for monitoring the availability of network devices, which is expected to increase operational efficiency and productivity at PT PLN (Persero) UIP SUMBAGSEL

LCOGT Network Observatory Operations

We describe the operational capabilities of the Las Cumbres Observatory Global Telescope Network. We summarize our hardware and software for maintaining and monitoring network health. We focus on methodologies to utilize the automated system to monitor availability of sites, instruments and telescopes, to monitor performance, permit automatic recovery, and provide automatic error reporting. The same jTCS control system is used on telescopes of apertures 0.4m, 0.8m, 1m and 2m, and for multiple instruments on each. We describe our network operational model, including workloads, and illustrate our current tools, and operational performance indicators, including telemetry and metrics reporting from on-site reductions. The system was conceived and designed to establish effective, reliable autonomous operations, with automatic monitoring and recovery - minimizing human intervention while maintaining quality. We illustrate how far we have been able to achieve that.Comment: 13 pages, 9 figure

Wireless sensor network for cattle monitoring system

This paper describes a cost effective Wireless Sensor Network (WSN) technology for monitoring the health of dairy cows. By monitoring and understanding the cow individual and herd behaviour, farmers can potentially identify the onset of illness, lameness or other undesirable health conditions. However, the WSN implementation needs to cope with various technical challenges before it can be suitably and routinely applied in cow management. This paper discusses results concerning data transportation (i.e. mobility) from the cow mounted sensory devices

Virtual RTCP: A Case Study of Monitoring and Repair for UDP-based IPTV Systems

IPTV systems have seen widespread deployment, but often lack robust mechanisms for monitoring the quality of experience. This makes it difficult for network operators to ensure that their services match the quality of traditional broadcast TV systems, leading to consumer dissatisfaction. We present a case study of virtual RTCP, a new framework for reception quality monitoring and reporting for UDP-encapsulated MPEG video delivered over IP multicast. We show that this allows incremental deployment of reporting infrastructure, coupled with effective retransmission-based packet loss repair

Dynamic 3D Network Data Visualization

Monitoring network traffic has always been an arduous and tedious task because of the complexity and sheer volume of network data that is being consistently generated. In addition, network growth and new technologies are rapidly increasing these levels of complexity and volume. An effective technique in understanding and managing a large dataset, such as network traffic, is data visualization. There are several tools that attempt to turn network traffic into visual stimuli. Many of these do so in 2D space and those that are 3D lack the ability to display network patterns effectively. Existing 3D network visualization tools lack user interaction, dynamic generation, and intuitiveness. This project proposes a user-friendly 3D network visualization application that creates both dynamic and interactive visuals. This application was built using the Bablyon.js graphics framework and uses anonymized data collected from a campus network