Network Operations

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Privacy and Security - Five Objectives

Privacy and Security - Five Objectives

Geoff Huston

7 min read

It has been a very busy period in the domain of computer security. With "shellshock", "heartbleed" and NTP monlink adding to the background of open DNS resolvers, port 445 viral nasties, SYN attacks and other forms of vulnerability exploits, it's getting very hard to see the forest for the trees. W…

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Secure Internet Routing with RPKI

Secure Internet Routing with RPKI

Remy de Boer

6 min read

Last week we improved the security of our routing infrastructure by implementing RPKI (Resource Public Key Infrastructure), a technology that can be used to secure the Internet routing infrastructure. RPKI was the topic of my Master's thesis and in this article I am trying to convince you to use th…

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Experiment Proposal to Improve K-root

Experiment Proposal to Improve K-root

Suzanne Taylor

4 min read

We used RIPE Atlas to measure latency times to K-root, and we believe we can improve those times by adding new nodes to K-root in strategic locations. Here, we propose the idea of developing an experiment that would let us measure this potential improvement.

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LISPmob: a Flexible LISP Implementation

LISPmob: a Flexible LISP Implementation

Alberto Rodriguez-Natal

12 min read

The Locator/ID Separation Protocol (LISP) decouples identity from location on the current IP addresses by creating two separate namespaces. The LISPmob project aims to bring a full-featured LISP open-source implementation to Linux-flavoured systems.

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Building The Next Generation RIS Route Collectors

Building The Next Generation RIS Route Collectors

Wouter Miltenburg

7 min read

This is the second part of a research project investigating the possible replacement of the current Remote Route Collectors (RRC) used for the Routing Information Services (RIS). In the second phase we developed a prototype based on the requirements determined in the first phase. Both parts of …

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Propagation of Longer-than-/24 IPv4 Prefixes

Propagation of Longer-than-/24 IPv4 Prefixes

Emile Aben

8 min read

Under ARIN's Number Resource Policy Manual (NRPM) Section 4.10, the IPv4 address block 23.128/10 is reserved for allocations and assignments dedicated to facilitate IPv6 deployment. The maximum allocation size is a /24; the minimum allocation size is a /28. There has been much discussion on the NAN…

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Time Warner Cable Outage

Time Warner Cable Outage

Emile Aben

8 min read

The Time Warner Cable network suffered an outage on 27 August 2014 between approximately 9:40 and 10:55 UTC. We looked at some interesting details of this outage using RIS and RIPE Atlas.

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512K-mageddon?

512K-mageddon?

Emile Aben

6 min read

A week after the 512K-routes problem started making waves, we took a look at the global effects to see what impact it had. Spoiler: Not much.

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Researching Next Generation RIS Route Collectors

Researching Next Generation RIS Route Collectors

Wouter Miltenburg

12 min read

This project was initiated to research, develop and deploy a prototype that could potentially replace the current Remote Route Collectors (RRCs) and which invokes less delay. It was a graduation project for my bachelor thesis at the HvA (Hogeschool van Amsterdam). This article outlines the possible…

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How RIPE Atlas Helped Wikipedia Users

How RIPE Atlas Helped Wikipedia Users

Emile Aben

6 min read

Engineers from the Wikimedia Foundation and the RIPE NCC recently collaborated on a project to measure the latency of Wikimedia sites for users worldwide. Together, we identified ways to decrease latency and improve performance for users around the world.

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