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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...
CCNP ENCOR vs ENARSI is it even related?, or should I ask "comparable?" Yes it is both actually, and in this blog, we will review both of the exams, talk...
BGP AS Override needs to be understood well in order to understand the BGP loop prevention behavior, But why BGP AS Override might create a dangerous situation, and what are...
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...
OSPF Administrative Distance, or OSPF AD, is the key of electing OSPF among other routing protocols (if existed) leading to the same target within the same routing table, in this...
What is OSPF? Language-wise it stands for Open Shortest Path First, and family-wise it belongs to the Link-State Interior Gateway Dynamic Routing Protocols. OSPF is an open standard internal routing...
There are commons and differences to the time when it comes to configuring an OSPF routing protocol on a router you manage, based on the router's manufacturer. We will take...