In this instalment of our Journeying into XDP series, we look into a passive BPF-program that enables us to plot graphs of DNS metrics without altering the DNS packets or touching the DNS software itself.
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About the author
Luuk is a research engineer at NLnet Labs, focusing on measurements and analyses of core Internet protocols.
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In this post we introduce a wiki to document RIPE Atlas measurements better. We use the measurements we created to track RPKI Repository Performance to show how this is useful.
Network measurements are an important tool in understanding the Internet. Due to the expanse of the IPv6 address space, exhaustive scans in IPv4 are not possible for IPv6. The best practice when conducting IPv6 measurements is to use so called IPv6 hitlists.
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