University of Twente Student Theses


Design of a Reactive DNS Measurement System

Braakhuis, J.A. (2021) Design of a Reactive DNS Measurement System.

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Abstract:For speed, robustness and safety of the Internet, it is important that information on name servers in every level of the hierarchical DNS structure is accurate and consistent. OpenINTEL, designed in 2016, measures about half of the global namespace every day, but lacks flexibility in reactive measurement. To provide an easily scalable framework for performing research in DNS inconsistencies, we designed and tested a reactive DNS measurement system compatible with OpenINTEL, supported by Apache Kafka message broker functionality. The software can query multiple levels in the DNS hierarchy and supports 10 query types. Initial high-volume testing of the resolver authoritative level shows the software is able to handle large volumes of queries, but only gives a lower bound on the performance of the software. Testing of more authoritative levels, testing on purpose-built hardware and implementation of extended decoder logic and performance optimisation is required to successfully deploy the software.
Item Type:Essay (Bachelor)
Faculty:EEMCS: Electrical Engineering, Mathematics and Computer Science
Subject:54 computer science
Programme:Electrical Engineering BSc (56953)
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