The network connects devices as well as people.


Software Defined network

SDN (Software-Defined Networking) is a reference model that is dynamic, controllable, premium, and adaptive, making it appropriate for modern global, real – time applications.

Routing Protocols


A method in use by routers to find the best path to use for data transmission. The routing algorithm also describes how routers notify changes and effectively communicate with other routers.



Virtual Private Network

VPNs (Virtual Private Networks) encrypt internet traffic and conceal your online identity. This makes it more difficult for third parties to monitor your internet activities and steal information.


Virtual LAN

a set of devices solely on a single or even more LANs that are designed to interact as if they were connected to the same cable, despite the reality that they are spread across many LAN segments


IOS Images

GNS3 is a Graphical Network Simulator (GNS) that enables for the simulation of complicated networks. You may be aware with VMWare or Virtual PC, which are used to virtualize several operating systems.



IPsec (Internet Protocol Security) is a set of protocols designed to secure the authenticity, confidentiality, and identification of data exchanges across an IP network.

Essentials of Networking