Packets Down Range #17:Cogent Wavelengths, earnings news, DDoS

I am fresh back from Nanog #87 in Atlanta. Great times! Thank you to those who gave me some lines on this week’s news articles. Keep those submissions coming. By now, everyone who has signed up should be receiving this in their e-mail box. If you could simply comment at the bottom of this post … Read more

Packets Down Range #17: Patreon Edition

This content is for Patreon subscribers of the j2 blog. Please consider becoming a Patreon subscriber for as little as $1 a month. This helps to provide higher quality content, more podcasts, and other goodies on this blog.To view this content, you must be a member of Justin’s Patreon at $3 or more Unlock with … Read more

Problems with Borger Gateway Protocol (BGP)

Border Gateway Protocol (BGP) is the Internet’s dominant inter-domain routing protocol, and as such, it is a critical component of the Internet’s infrastructure. However, BGP, like any other technology, has flaws. The following are some of the most common BGP issues: Some of the above issues are being addressed with RPKI, Routing Registries, and MANRS, … Read more

Review: Newton’s Telecom Dictionary 32nd edition

Newton’s Telecom Dictionary is a comprehensive reference guide for telecommunications terminology and technology. First published in 1983 and now in its 32nd edition, this book has been a go-to resource for telecommunications professionals for many years. The dictionary covers a wide range of topics, from fundamental concepts to advanced technologies, making it an excellent resource … Read more

Virtual Extensible LAN (VXLAN) overview

Virtual Extensible LAN (VXLAN) has emerged as a game changer in network virtualization. In this blog post, we’ll look closely at VXLAN and explore some of its key benefits. In summary, VXLAN is a potent technology that is altering how businesses view network virtualization. Organizations can virtualize their networks, support extensive networking, improve network security, … Read more

What is a networking packet?

As we use the internet to send and receive data, it is crucial to understand the underlying mechanics that allow this to happen. One of the most fundamental components of this process is the packet. In this blog post, we’ll take a closer look at packets, how they are used on the internet, and why … Read more

Mikrotik RotuerOS 7.8RC1 is out

What’s new in 7.8rc1 (2023-Feb-08 20:03): Changes in this release: !) storage – added new “rose-storage” package support for extended disk management and monitoring functionality (ARM, ARM64, Tile and x86) (CLI only);*) bridge – fixed DHCP packet flow when using DHCP snooping, HW offloading and “use-ip-firewall”;*) bridge – fixed possible DHCP packet corruption when using … Read more

Packets Down Range #16:Peering, new signup forms, ISP acquisitions

It’s been a busy week both here and on the Internet. the biggest news out of Packets Down Range (PDR) is I now have an e-mail signup plugin for WordPress. By signing up via e-mail, you will get notifications of new Packet Down Range newsletters. Those of you who signed up via the old form … Read more

Open Shortest Path First (OSPF) overview

Open Shortest Path First (OSPF) is a widely used interior gateway routing protocol for Internet Protocol (IP) networks. OSPF is used by organizations to route traffic within their own networks, as well as between different networks. Here are some key points about OSPF: In conclusion, Open Shortest Path First (OSPF) is a widely used interior … Read more

Choosing an Internet Service Provider (ISP)

Having reliable and fast internet access is essential for the success of any business in today’s digital age. Whether you’re using the internet for email, cloud computing, or online transactions, having a high-quality internet connection is crucial for productivity and success. However, with so many Internet Service Providers (ISPs) available, choosing the right one for … Read more

What is a Data Center

Data centers are the backbone of the digital world. They house the servers, storage systems, and other critical infrastructure that support the internet and the cloud. A data center is essentially a secure and controlled environment designed to house IT equipment, providing organizations with the power, cooling, and connectivity required to keep their systems and … Read more