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Anand Buddhdev

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New Architecture Model for K-root Local Instances

New Architecture Model for K-root Local Instances

5 min read

We have redesigned the K-root architecture for our hosted nodes, formerly known as K-root local instances. System architecture and network setup have been simplified a lot. This will reduce our management effort for K-root and reduce costs for K-root hosts.

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Comparing TCP and UDP Response Times of DNS Root Servers

Comparing TCP and UDP Response Times of DNS Root Servers

8 min read

We did some measurements on the round-trip (RT) values of DNS queries for SOA (Start of Authority) records from our RIPE Atlas probes, over both UDP and TCP. We plotted the TCP/UDP ratios on graphs, and found that, as expected, for the majority of the measurements, it is around 2. However, we also …

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