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Redistribution is a process that allows you to share routing information between different routing protocols. This can be a helpful tool if you want to use more than one protocol...
If you're like most people, you take the convenience of the internet for granted. You probably don't think about how the addresses used to route your packets to their destinations...
BGP (Border Gateway Protocol) is a widely-used routing protocol that plays an important role in the internet's infrastructure. One of the key functions of BGP is to select the best...
Multicast PIM Dense mode vs PIM Sparse mode is one of the most important things for every Network Engineer who deploys IP Multicast on their networks. Because these two design...
BGP RTBH - Remotely triggered blackholing is used for DDOS prevention for a long time by many companies. DDOS - Distributed Denial of Service Attacks have an economic impact. According...
In this post, we will look at what is CCIE Service Provider v5.0, what comes with it, which technologies we need to learn, what is the difference between CCIE SP...
BGP LS, BGP Link-State is used to distribute Link state information and traffic engineering attributes from the network nodes to the Centralized TE controller. RSVP-TE has been providing resource allocation...
Network Functions Virtualization (NFV) was founded by the European Telecommunication Standard Institute (ETSI) with Industry Specification Group (ISG) which contains seven of the world’s leading telecom network operators. A challenge...
Bilateral Peering is when two networks negotiate with each other and establish a direct BGP peering session. In one of the previous posts, Settlement Free Peering was explained, in this...
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...
BGP Allowas-in feature needs to be understood well in order to understand the BGP loop prevention behavior, But also, why the BGP Allowas-in configuration might create a dangerous situation, and...