Analysis of the Trends and Statistics of the IPv6 Deployment

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Dr. Lencse Gábor Sándor
Department of Networked Systems and Services

Altough the IPv6 protocol was introduced almost two decades ago, widespread deployment hasn't started until the depletion of the IPv4 address space in 2011. My task was to examine and track this adaptation process both nationally and internationally. Following a thorough literature review, I have decided that my own measurements will focus on the deployment of IPv6 DNS entries. The ensemble of domain names for the study was selected from the publicly accessible "most visited'' toplist.

The first measurement period started at the end of November 2015 and was conducted for nearly 6 months. During this period I have followed the status of 5000 international and 1000 Hungarian domain names. My measurement program was written in C# and ran on a home personal computer with a commercial IPv4 address. After half a year I have observed a 4,5%-relative (0,38% absolute) growth in the international case, and a 11,4% relative (0,5% absolute) growth in the Hungarian case.

The second period of measurements started in July 2016, and lasted for 3 months. In this case an ensemble of 10000 international and 2000 Hungarian domain names was chosen. The original ensemble was extended with a list of domains generated using the "www." prefix. The measurement was conducted using a series of bash scripts executed periodically on a dedicated server with an academic IPv6 connection. Beyond DNS records, I have also checked if the domains offer any web service accessible purely over IPv6. During this second period, I have observed a 59,1% relative (5,2% absolute) growth in the international case, and a 73,8% relative (2,25% absolute) growth in the Hungarian case. The difference between the results of the two measurements are influenced by the following factors: shortcomings of the first measurement method, the time passed between the two measurement periods, the difference between the group of domain names studied, and the substantial overall growth of IPv6 penetration. My results are in agreement with several ongoing international studies using the same metrics.


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