Network Operations

ExaBGP - From BGP Route Injector to BGP Engine

Thomas Mangin

• 2 Feb 2012

• 3 min read

ExaBGP is an application providing engineers with a way to control BGP from servers. The program allows the injection, and reception, of arbitrary routes into a network, including IPv6 and FlowSpec. It is designed to be flexible and give its users the flexibility a normal BGP router cannot.

0

RIPE Atlas & Anycast Instance Switches

Daniel Karrenberg

• 22 Dec 2011

• 6 min read

RIPE Atlas can now test packet flows from more than 1000 vantage points on the Internet. We took a quick look at anycast traffic to DNS root name servers. There is a lot of interesting signal in this data.

0

One Day in the Life of RPKI

Matthias Wählisch

• 21 Dec 2011

• 6 min read

In this article, we report about a one-day measurement of the RPKI and BGP infrastructure.

0

2

IP Address Space Covered by Certificates

Alex Band

• 20 Dec 2011

• 2 min read

Since the RIPE NCC launched its Resource Certification service, there is a steady increase in the number of prefixes covered by certificates.

0

2

128.0.0.0/16 As Seen by RIPE Atlas

Daniel Karrenberg

• 12 Dec 2011

• 4 min read

RIPE Atlas provides a view of 128.0.0.0/16 from the data plane. Can packets actually get there and back? Please find the results in this article.

ipv4
atlas

1

The Curious Case of 128.0/16

Emile Aben

• 6 Dec 2011

• 5 min read

The prefix 128.0/16 is filtered in Juniper devices up to and including JUNOS software version 11.1. We looked at three ways to get a rough estimate on how much filtering of 128.0/16 is going on on the Internet.

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4

RPKI Capable Routers

Florian Hibler

• 5 Dec 2011

• 2 min read

During RIPE 63 in Vienna, a few of us got together and started downloading, compiling and configuring the RPKI daemon. I now set up two routers which I made publicly available. The details are described in this article.

1

Dual Stack Esotropia

Geoff Huston

• 30 Nov 2011

• 54 min read

The introduction of a second IP protocol into the Internet presents many technical issues, and in previous columns we've explored many of the issues related to network engineering and infrastructure. In this column I'd like to head upward in the protocol stack to the rarefied air way up there at th…

ipv6

0

5

Interesting Graph - IPv6 per LIR

Emile Aben

• 22 Nov 2011

• 5 min read

Often when looking at IPv6 deployment statistics, the size of the organisation or the network is not taken into account. In this article, we look at IPv6 deployment of Local Internet Registries (LIRs) per country in correlation with the size of the LIR.

0

3

Hampering Eyeballs - Observations on Two "Happy Eyeballs" Implementations

Emile Aben

• 12 Nov 2011

• 16 min read

In this article we look at two "Happy Eyeballs" implementations, that aim to reduce degraded user experience as the result of broken dual-stack configurations. We call this degraded user experience "Unhappy Eyeballs". The Chrome web browser implementation seems to succeed in this aim, while Apple's…

ipv6

2

18

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