Banner image

Network Operations

All articles

Interesting Graph - IPv4 Unassigned

Interesting Graph - IPv4 Unassigned

Author image
Mirjam Kühne

4 min read

With the IPv4 address space nearing its end, we are closely monitoring the number of address not yet assigned or allocated. See below one way of measuring them.

Article tags:

0 You have liked this article 0 times.
2
Background Radiation in IPv6

Background Radiation in IPv6

Author image
Mirjam Kühne

17 min read

Geoff Huston investigated to what extent the IPv6 Internet is polluted by "background radiation". Find below some interesting results and observations.

Article tags:

0 You have liked this article 0 times.
0
BGP Route Origin Validation - A follow-up

BGP Route Origin Validation - A follow-up

Author image
David Murray

2 min read

In July 2010 we looked at the effects of BGP route origin validation on mis-announcements and hijackings. In the meantime, we did some research based on comments and questions received by the community. The findings are described in this follow-up article.

Article tags:

0 You have liked this article 0 times.
1
IPv6 CPE Survey - Updated (September 2010)

IPv6 CPE Survey - Updated (September 2010)

Author image
Mirjam Kühne

10 min read

Based on new information we received since the last publication, we updated the IPv6 CPE matrix. See the new version below.

Article tags:

0 You have liked this article 0 times.
26
Phase out of Reply-Size Tester

Phase out of Reply-Size Tester

1 min read

Back in December 2009 we released a tool with which you can test your DNS resolver for possible issues with a DNSSEC signed root zone. Now that the root zone has been signed in production since 15 July 2010 we will stop this service on Monday, 11 October 2010.

Article tags:

0 You have liked this article 0 times.
0
DNS Clients Do Request DNSSEC Today

DNS Clients Do Request DNSSEC Today

Author image
Daniel Karrenberg

3 min read

After the DNS root zone was finally signed and a number of TLDs began signing their zones, we were curious to see how many clients actually request DNSSEC information. First we looked at our server that provides secondary service to several ccTLDs.

Article tags:

0 You have liked this article 0 times.
3
RIPE NCC and Duke University BGP Experiment

RIPE NCC and Duke University BGP Experiment

8 min read

On 27 August 2010, the RIPE NCC's Routing Information Service (RIS) was involved in an experiment using optional attributes in the Border Gateway Protocol (BGP). As a result of this experiment, a small, but significant percentage of global Internet traffic was disrupted for a period of about 30 min…

Article tags:

0 You have liked this article 0 times.
31
Interesting Graph - IPv6 Performance

Interesting Graph - IPv6 Performance

Author image
Emile Aben

2 min read

This graph shows IPv6 performance as measured to www.ripe.net. These measurements show performance of native IPv6 on average being very close to IPv4.

Article tags:

0 You have liked this article 0 times.
2
RIPE NCC Validator for Resource Certification

RIPE NCC Validator for Resource Certification

Author image
Amanda Gowland

6 min read

Resource certification can be used to help secure routing. The resource certification system is based on Public Key Infrastructure (PKI) principles. The RIPE NCC Validator for resource certification can help network operators make the necessary routing decisions. You can download the tool below.

Article tags:

0 You have liked this article 0 times.
6
IPv6 RIPEness - Criteria for a Potential Fifth Star Rating

IPv6 RIPEness - Criteria for a Potential Fifth Star Rating

Author image
Vesna Manojlovic

8 min read

We recently posted an article about IPv6 "RIPEness", a four-star rating system of Local Internet Registry (LIR) IPv6 deployment.

Article tags:

0 You have liked this article 0 times.
4

Showing 885 article(s)