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Content Delivery Network companies replicate content caches close to a large user population. They don’t provide Internet access or transit service to the customers or ISPs but distribute the...
What is OTT – Over the Top and How do OTT Providers Work? Over the Top is a term used to refer to Content Providers. So, when you hear...
What does PE-CE mean in the context of MPLS? What are CE, P, and PE devices in MPLS and MPLS VPN? These are foundational terms and definitions in MPLS. MPLS...
If you are working in the Operator, Service Provider, or Telco/Carrier networks, you probably heard this term. If you haven't, you need to learn it. To have a great understanding...
What is tier in the first place? If you are dealing with Service Provider networks, you hear this term a lot. But how do we define Tier 1, Tier 2,...
One of the advantages of EIGRP Feasible Successor is that it speeds up the EIGRP. In fact, if there is a Feasible Successor in the EIGRP network, such network converges...
Integrated Services QoS - Hard QoS is first QoS approach, but currently we are not using. At the end of this post, you will know what is Integrated QoS,...
IXP is a layer 2 network where multiple network entities meet, for the purposes of interconnection and exchanging traffic with one another. Internet Exchange Points start with a single Layer...
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...
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...
Happy Eyeballs- This term is very important to understand if you are deploying dual stack IPv6 network. Before defining happy eyeballs, do you know what is an eyeball network ?...