Network Operations

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

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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.

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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

IPv6 RIPEness - Sorted by LIR's Age and Size

Rene Wilhelm

• 8 Nov 2011

• 7 min read

Following up from the recently published IPv6 RIPEness update, we are now looking at the IPv6 RIPEness of Local Internet Registries relative to their age and relative to their size.

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2

IPv6 RIPEness: Production & Updates

Vesna Manojlovic

• 31 Oct 2011

• 4 min read

Following your feedback, we decided to make IPv6 RIPEness a production service. We are currently working on some new features. Stay tuned!

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3

Addresses for RIPE RIS Beacons in Jeopardy

Daniel Karrenberg

• 31 Oct 2011

• 4 min read

According to address policy, the experimental address allocations for RIPE RIS beacons have to be returned soon. This would mean we have to either discontinue the RIS beacons or request permanent allocations for them according to address policy. We are asking for community support to continue opera…

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2

Large-scale PCAP Data Analysis Using Apache Hadoop

Wolfgang Nagele

• 12 Oct 2011

• 3 min read

The RIPE NCC operates various data intensive services. As part of our DNS operations we have been operating K-root since 1997. A key to the stable operation of this service is a solid understanding of the traffic it responds to and how it evolves over time. With the success and growth of the Int…

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17

Routing IPv6 in 2011

Geoff Huston

• 4 Oct 2011

• 5 min read

This is a follow-up to the recently published article "Routing 2011" which focused on IPv4. In this new article Geoff is looking at the IPv6 routing table.

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7

F-root IPv6 Route Leak - the DNSMON View

Emile Aben

• 3 Oct 2011

• 4 min read

This weekend the NANOG mailing list was abuzz about an F-root IPv6 route leak, that resulted in the F-root DNS server instance located in Bejing, China, being queried from outside of China. This normally doesn't happen, as this instance is advertised with the BGP attribute NO_EXPORT, which means it…

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4

Routing 2011

Geoff Huston

• 26 Sep 2011

• 4 min read

The size of the global routing table has been growing at a constant pace for many years. However, over the last few months, it is not growing as fast as it used to.

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4

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