How does the Domain Name System (DNS) works?
Over the years, I have written articles on Domain Name System (DNS) and how and why you should do certain things. I came across this DNS graphic this morning. Image Credit: @Rapid_API As you can see, a never-before-seen DNS request …
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 …
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 …
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 …
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 …
Border Gateway Protocol (BGP) in a nutshell
I have been busy writing some posts on some general topics for those readers who want some high-level overviews of various network terms and items. Border Gateway Protocol (BGP) is the core routing protocol used to exchange information about network …
Internet Exchanges and the (I)nternet
The Internet is a complex network of connected devices, servers, and routers that enables the seamless exchange of data and information worldwide. However, to ensure that this exchange is fast, reliable, and secure, organizations need to rely on specialized infrastructure …
New Year’s resolutions for network engineers
Why not start out the new year with some changes? Here is my list of things I see which could help. You can easily do the following twelve things in the next twelve months.
The Mess we call BGP
Ever wonder why BGP seems to be such a complicated protocol to administer? It seems pretty straightforward to set up. Some commands, and you have a BGP session. Easy huh? BGP is one of those things where the more BGP …