Network Operations

The Internet in North Korea - Hanging by a Single Thread?

Emile Aben

• 26 Aug 2015

• 13 min read

North Korea is one of the most secluded countries in the world, but it is nonetheless connected to the Internet. We investigate North Korea's Internet connectivity in light of recent outages and discuss the fragile nature of its setup.

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Is It Really Worth Peering at IXPs? A Comparative Study

roberto di lallo

• 3 Aug 2015

• 15 min read

We investigated the role IXPs play in the Italian Internet ecosystem. Do peerings at IXPs have a positive effect on key performance indicators such as latency, hop count, packet loss and jitter? Do they reduce the number of out-of-country ISPs traversed by traffic between users located in Italy and…

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Analysing the K-root Anycast Infrastructure

JH Kuipers

• 27 Jul 2015

• 4 min read

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 …

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Delta-V Gets Take-off Speed

George Michaelson

• 16 Jul 2015

• 8 min read

The adoption of the RPKI system is growing rapidly. To make sure the system scales, we’ve developed a new protocol that should drastically improve fetch times for RPKI repositories. This article explains how.

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Visualisation of a New Node in LACTLD Anycast Service

Hugo Salgado

• 10 Jul 2015

• 6 min read

Despite the few RIPE Atlas probes available in Latin America, it is possible to obtain interesting measurements about changes in network architecture.

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Improving RIPE Atlas Coverage - Which Networks Are Missing?

Emile Aben

• 2 Jul 2015

• 11 min read

In this article we compare RIPE Atlas deployment against user population estimates provided by APNIC to see which eyeball networks are missing out on RIPE Atlas probes.

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Enabling Data Compression in RIPE Atlas

Daniel Quinn

• 17 Jun 2015

• 3 min read

We’d like to enable gzip compression on all of RIPE Atlas' measurement API calls — but thanks to the BREACH vulnerability, doing so could mean that some enterprising individual with an obscene amount of time on their hands might be able read the contents of the responses. This means measurement res…

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Will the SIDR Model Succeed where the IRR Model Failed?

Cengiz Alaettinoglu

• 9 Jun 2015

• 15 min read

In this post (originally published on the APNIC blog), Cengiz Alaettinoglou gives a brief overview and comparison of the IRR and SIDR security models and shares his thoughts about the chances for these models to succeed.

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IPv6 Deployment in Estonia

Tarko Tikan

• 4 Jun 2015

• 7 min read

Some time ago, many people noticed rapid IPv6 deployment growth in Estonia (from 0% to 5% in 4 weeks). Tarko Tikan, from 3249/Elion/Estonian Telecom, explains the reason behind this.

ipv6

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The DNS Root Zone Key-Signing Key is Changing

Mirjam Kühne

• 27 May 2015

• 5 min read

Tony Smith from the APNIC gives an update on the DNS Root Zone Key-Signing and explains how the key-signing-key roll over will be done for the first time.

dns

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