Network Operations

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Detection of Peering Infrastructure Outages Based on BGP Communities

Vasileios Giotsas

• 24 Jul 2018

• 8 min read

Networks rely increasingly on Internet Exchange Points (IXPs) and carrier-neutral interconnection facilities that enable dense localised peering connectivity to handle the massive traffic exchange between clients and servers.

ARTEMIS: Neutralising BGP Hijacking Within a Minute

Vasileios Kotronis

• 19 Jul 2018

• 9 min read

BGP prefix hijacking is a persistent threat against Internet organisations, attributed to a lack of authorisation and authentication mechanisms in the inter-domain routing system. ARTEMIS (Automatic and Real-Time dEtection and MItigation System) is a defence system against BGP prefix hijacking, whi…

The Uncertainty of Measuring the DNS

Geoff Huston

• 18 Jul 2018

• 22 min read

The period around the end of the nineteenth century and the start of the twentieth century saw a number of phenomenal advances in the physical sciences.

BGP Flexibility and its Consequences

Alexander Azimov

• 10 Jul 2018

• 5 min read

Border Gateway Protocol (BGP) is the only exterior gateway protocol created to control traffic between Internet Service Providers (ISPs) all over the world. The initial protocol design was so flexible that after 20 years, it has become a de facto standard mechanism for MPLS/VPN and even Interior Ga…

bgp
security

A Large-scale lw4o6 Deployment for Broadband Users in Greece

Kostas Zorbadelos

• 4 Jul 2018

• 5 min read

In this article we describe how we deployed Lightweight 4over6 at OTE, the challenges we faced and some ongoing work.

ipv6

Lightweight 4over6: One-step Further Than Dual-stack Networks

Diego Pino Garcia

• 28 Jun 2018

• 5 min read

Dual-stack has been one of the most popular transition technologies used to deploy IPv6. This is largely because it allows for routing of IPv4 and IPv6 traffic in parallel.

Looking Back at the Internet’s Past Decade

Geoff Huston

• 25 Jun 2018

• 32 min read

In this article I am looking a some fundamental developments on the Internet over the last decade. Nothing much has changed - or has it?

BGP Large Communities - Uptake by the Community at Large?

Emile Aben

• 20 Jun 2018

• 9 min read

In this article we look into the uptake of BGP Large Communities using the RIPE Routing Information Service (RIS).

Honeypot-based Monitoring of Amplification DDoS Attacks

Johannes Krupp

• 19 Jun 2018

• 5 min read

Amplification DDoS attacks are one of the most prevalent forms of denial-of-service attacks. The SISSDEN project (sissden.eu) operates a network of honeypots designed to detect these attacks, observing 10,000 per day.

Measuring the Adoption of RPKI Route Origin Validation

Andreas Reuter

• 19 Jun 2018

• 10 min read

The number of Resource Certificates and ROAs is steadily growing, especially in the RIPE NCC service region. However, it remains unclear how widely BGP speakers on the Internet are actually using route origin validation (ROV) to drop or de-preference invalid announcements.

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