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JH Kuipers

Location: Enschede, NL

Master's student at the University of Twente. Currently performing research at the DACS group of the EWI faculty.

Pages created by JH Kuipers

Anycast Latency: How Many Sites are Enough?
Anycast Latency: How Many Sites are Enough?
JH Kuipers — 24 May 2017

IP anycast is a popular way to scale up and distribute services across the Internet, with the aim of getting closer to end users. Using anycast, the IP address of a service is available in multiple places on the Internet — so-called anycast instances or sites — and Internet routing defines which instance of the service will reach users.… Read more

Analysing the K-root Anycast Infrastructure
Analysing the K-root Anycast Infrastructure
JH Kuipers — 27 Jul 2015

Anycast is used by most of the DNS root-servers and other services like Cloudflare. It provides localisation and scaling benefits to clients using the anycasted service. An anycast service uses one IP for several instances of the same service. The routing system is then responsible for directing a client to the closest instance of the service. In theory, a client should always reach the closest instance, but it turns out that this is not always the case. At the DACS group of the University of Twente, we analysed the anycast infrastructure of K-root and tried to find how many clients reached the closest instance.… Read more

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