Network Operations

All IP Addresses Are Not The Same

Geoff Huston

• 2 Sep 2013

• 14 min read

One IP address is much the same as another – right? There’s hardly a difference between 192.0.2.45 and 192.0.2.46 is there? They are just encoded integer values, and aside from numerological considerations, one address value is as good or bad as any other – right? So IP addresses are much the same …

dns
ipv4

0

A Question of DNS Protocols

Geoff Huston

• 28 Aug 2013

• 28 min read

In this article we are looking at possible ways to prevent denial of service attacks. One solution could be to use TCP instead of UDP for large DNS responses. We conducted an experiment to find out what the resolution failure rate would be.

dns
security

0

1

Improved Routing Information Available via RIPEstat

Fatemah Mafi

• 23 Aug 2013

• 15 min read

Our Routing Information Service (RIS) has been collecting global BGP routing information for 12 years. During this period, many different interfaces to analyse and visualise accumulated data have been developed. In line with our long-term goals to provide more consolidated services, we will be inte…

1

2

Using the RIPE Database as an Internet Routing Registry

Denis Walker

• 22 Aug 2013

• 19 min read

The RIPE Database operates as an open, public database for routing information. This information is not restricted to the RIPE NCC service region or to resources administered by the RIPE NCC.

1

2

Future of RIPE NCC Technical Services

Kaveh Ranjbar

• 20 Aug 2013

• 12 min read

As the new Chief Information Officer at the RIPE NCC, I’d like to take this opportunity to share with you some of my ideas about the future direction of the technical services we offer to the community. This includes focusing on RIPE Atlas as the RIPE NCC’s data collection system, RIPEstat as the R…

0

3

IPv6 ASNs - Network Size Matters

Emile Aben

• 12 Aug 2013

• 5 min read

This article provides statistics about how much IPv4 address space is being announced by networks (ASNs) that are also announcing IPv6 address space. Currently this is about 70% of IPv4 address space.

0

RPKI - A Dashboard for BGP Operators

Javy de Koning

• 31 Jul 2013

• 8 min read

SURFnet's RPKI Dashboard provides network operators with a number of RPKI statistics and assists them in cleaning up possible invalid prefixes. This will hopefully increase the deployment of RPKI.

0

1

Here’s looking at you …

Geoff Huston

• 4 Jul 2013

• 29 min read

Much has been said in recent weeks about various forms of cyber spying. The United States has accused the Chinese of cyber espionage and stealing industrial secrets. A former contractor to the United States’ NSA, Edward Snowden, has accused various US intelligence agencies of systematic examination…

security
+1
+1

0

4

All IP Addresses Are Equal? "dot-zero" Addresses Are Less Equal

Stéphane Bortzmeyer

• 3 Jul 2013

• 4 min read

In theory, all IP addresses are the same, and you can allocate them at random without a problem. 192.168.1.2 is certainly not better or worse than 192.168.1.15, right? But, in practice, certain IP addresses are regarded as "special" by some implementations and do not yield the same user experience.…

ipv4
atlas

0

11

IPv6 Internet Pollution

Manish Karir

• 25 Jun 2013

• 6 min read

Following up from earlier experiments in which MERIT looked at pollution of IPv4 prefixes, Manish Karir and his colleagues now did an experiment with various IPv6 prefixes. The results can be found in this article.

ipv6
routing

0

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