White Papers

Real-Time End-to-End Network Monitoring in Large Distributed Systems

Overview Measuring real-time end-to-end network path performance metrics is important for several distributed applications such as media streaming systems (e.g., for switching to paths with higher bandwidth and lower jitter) and content distribution systems (e.g., for selecting servers with lower latency). However, it is challenging to perform such end-to-end pairwise measurements in large distributed systems while achieving high accuracy and avoid interfering with existing traffic. On the end hosts, the measurements can overload the machine by causing interference among themselves and other processes. On the network, the measurement packets from different hosts can interfere among themselves and with other flows on bottleneck links. This paper proposes a system to monitor end-host and network resources and adapt the number of measurements according to the observed load.

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Publisher: University of Texas
File Format: PDF
Date Published: Mar 4, 2008
Format: White Papers
Topics: Network Administration, Monitoring Systems

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