Lars-Johan Liman, M.Sc., works as Senior Systems Specialist at Netnod in Stockholm, Sweden. He is responsible for Netnod's root name service for the Domain Name System (DNS), and has spent more than 30 years plumbing and tinkering with the DNS. Over time he has worked with just about every aspect … More
• 6 min read
If you know about DNS, you've probably heard of the Time-to-Live (TTL) field. But mistakes with TTL are more common than you might think. Here we look at the quirks of DNS record sets, parent/child domains and how to avoid TTL problems.
Andrew Gallo is a Washington, DC based Principal IT Architect and Network Engineer, responsible for design and implementation of the enterprise network for a large university. Areas of specialization include the University's wide area connections, optical transport, wireless, and routing security. Andrew started during the internet upswing of the mid … More
• 3 min read
The George Washington University recently deployed Transmission Control Protocol Authentication Option (TCP-AO) after a recent code upgrade on its border routers. This further enhances BGP security features already in place on our network.
Paul is the manager of the Global Information Infrastructure team at the RIPE NCC. The team is responsible for the public DNS services the NCC offers (K-root, reverse DNS, secondary DNS service for several ccTLDs, etc), for RIS and for the platform that stores the data for RIPE Atlas. More
• 3 min read
Outgrowing your IPv4 allocation is one of many very good reasons to get on with deploying IPv6. Here's a use case on the latest steps the RIPE NCC has been taking in the piecemeal process of deploying IPv6 across its services.
Network architect and administrator for Redpill Linpro, an application and server operations and data centre hosting provider operating in the Nordic countries. More
• 5 min read
With the arrival of the next generation of gaming consoles, has progress been made toward better IPv6 capability?
Most of my career I have been involved in mobile communications as a handset developer and later in network diagnostics. Currently I am working on network performance tools that can be applied to any type of network. More
• 3 min read
The NetForecast 2020 Internet Latency Benchmark Report scores and ranks Internet latency performance across major US cities and ISPs. Drawing on RIPE Atlas, the report provides a “user's eye” perspective on performance in terms of latency, latency consistency, and near/far latency bias.
In this article, Aris Tzermias demonstrates how you can deploy a RIPE Atlas software probe isolated from your private network using a dedicated PPP connection with your Internet Service Provider.
