Network Operations

Measuring Google's Public DNS

Geoff Huston

• 10 Nov 2013

• 34 min read

Much has been said about how Google uses the services they provide, including their mail service, their office productivity tools, file storage and similar services, as a means of gathering an accurate profile of each individual user of their services. The company has made a very successful busines…

0

4

How “National” is the Dutch Critical IP Infrastructure?

Benno Overeinder

• 23 Oct 2013

• 10 min read

After the publication of the Critical Infrastructure Protection report more than ten years ago, we asked ourselves how critical infrastructure companies are interconnected, how resilient these connections are, and to which extent they are dependent on foreign entities.

0

RIPE Atlas - Packet Size Matters

Emile Aben

• 2 Oct 2013

• 15 min read

This new RIPE Labs article talks about trying to send large packets over the Internet. Above a certain size, these packets will have to be fragmented, which is known to cause problems. In both IPv4 and IPv6, we see approximately 10% of RIPE Atlas probes that are unsuccessful in pings with fragmente…

0

10

Valuing IP Addresses

Geoff Huston

• 25 Sep 2013

• 14 min read

The prospect of exhaustion of the IPv4 address space is not a surprise. We've been anticipating this situation since at least 1990. But it's a "lumpy" form of exhaustion. It's not the case that the scarcity pressures for IP addresses are evidently to the same level in every part of the Internet. It…

ipv4

0

The Assisted Registry Check - Let Us Help You!

Matt Parker

• 24 Sep 2013

• 4 min read

The Assisted Registry Check is the new name for the RIPE NCC’s audit activities that have been improved using feedback from RIPE NCC members and the RIPE community. This improvement aims to make the process more efficient and less time consuming for Local Internet Registries (LIRs).

6

0

Visualising Bandwidth Capacity and Network Activity in RIPEstat Using M-Lab Data

Vasco Asturiano

• 9 Sep 2013

• 11 min read

As a result of the cooperation between the RIPE NCC and Measurement Lab (M-Lab), you can now visualise the bandwidth profiles and network activity of IP prefixes and individual countries. This is provided as RIPEstat widgets using data collected by the M-Lab platform. See below for details about th…

0

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

Network Operations

All articles

Share

Share

Share

Share

Share

Share

Share

Share

Share

Share