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This may be seen as very easy for some of you but let's make a philosophy a little bit, which means let's design around optimal routing. Network engineers know that...
What is Carrier Hotel? Carrier Hotel is a Company that owns large buildings and rents out redundant power and floor space. And of course, attracts many Telco’s and Carrier...
AIGP stands for Accumulated IGP Metric Attribute which is specified in RFC 7311. IGPs (Interior Gateway Protocols) are designed to run within a single administrative domain and they make path-selection...
What is last hop router and first hop router in Multicast? These are important terms which are used in Multicast. In this post, I will explain the terms, differences and...
BGP Optimal Route Reflection provides Optimal Routing for the Route Reflector Clients without sending all available paths. I recommend you to read this post if you don't know about BGP...
Why submarine/subsea cables rather than satellite? This started as a story between a friend of mine from a finance background and myself. One of my friends, who is totally foreign...
Isn't OSI (Open Systems Interconnection) seven layers?Yes it is. In the standard, seven layers have been defined. Just let's remember the seven layers of OSI. Layer 7: The application layer.Layer...
I will explain the faster connectivity option and some of the use cases for each, deployment considerations a bit in this post. Why latency is important for some special businesses?...
GRE tunnels are by far most common tunnelling technology. Very easy to setup, troubleshoot and operate. But in large scale deployment, configuring GRE tunnels become cumbersome, because GRE tunnel is...
How many CCDEs are there in the world? What country has the most CCDEs? How do you become a CCDE Global List member? You can find out the answers to...
Many people have been searching these two words on the website. Many people also have been asking to me , how much they can earn monthly if they pass CCDE...
BFD is not a fast convergence mechanism. BFD stands for Bidirectional Forwarding Detection. It is an important tool for the IP layer but there is a confusion in the network...