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RIPEstat Demo - s2e01
RIPEstat Demo - s2e01
Ann Barcomb — Jan 24, 2012 02:35 PM

The first RIPEstat demo for 2012 was released on Tuesday, 24 January. The presentation highlighted new developments involving the widget API, the data API, the web application architecture, and performance monitoring and improvement.

Presenting the New RIPEstat Demo Format
Ann Barcomb — Jan 24, 2012 02:35 PM

We are introducing a new format and numbering scheme (season and episode rather than demo number) with the first RIPEstat demo of 2012. With this change, we want to preserve what has been effective - live demos at RIPE meetings and videos of our regular demos - while replacing elements which have been less successful.

2011 Audit Results
2011 Audit Results
Mirjam Kühne — Jan 19, 2012 05:20 PM

The RIPE NCC preforms audits of the Local Internet Registries contact data and resource registration data maintained by the LIR. In 2011 around 400 audits were opened and as of 17 January 2012 270 have been completed. In this article you can find some statistics and results of these audits.

Detecting IP Address Filters
Geoff Huston — Jan 13, 2012 01:39 PM

Until recently IP network operators were encouraged to set up so-called "bogon address filters" at the edge of their networks. These filters were intended to discard all incoming traffic where the source address in the IP header was from a block of addresses that was known to be unallocated. The inference was that a matching packet was either an unintentional leak from some privately addressed network domain or was generated using source address spoofing. In either case there is no point in delivering the packet, since it comes from a demonstrably fictitious source.

Happy Beta Testers of RIPE Atlas User Defined Measurements
Happy Beta Testers of RIPE Atlas User Defined Measurements
Vesna Manojlovic — Dec 23, 2011 11:30 AM

We started beta-testing User Defined Measurements (UDM) for RIPE Atlas. The first results are encouraging and we are receiving useful feedback from happy users.

RIPE Atlas Has Reasons to Celebrate!
RIPE Atlas Has Reasons to Celebrate!
Vesna Manojlovic — Dec 22, 2011 04:15 PM

We are proud to announce that over 1024 RIPE Atlas probes are now active, distributed over the whole world! This is an important milestone. It was one of our goals for 2011, and we achieved it!

RIPE Atlas & Anycast Instance Switches
RIPE Atlas & Anycast Instance Switches
Daniel Karrenberg — Dec 22, 2011 01:20 PM

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.

IP Address Space Covered by Certificates
IP Address Space Covered by Certificates
Alex Band — Dec 20, 2011 10:40 AM

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

The Curious Case of the Crooked TCP Handshake
Geoff Huston — Dec 14, 2011 12:30 PM

In this article we will be delving into the behaviour of the Linux implementation of TCP, and looking at the way in which TCP establishes a connection. There are socket options in Linux that cause the TCP handshake to behave in a rather curious way.

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