Packet flow in network
In the computer network world Packet flow is the most important key for Every Communication happening between computers. Every computer is sending and receiving data from server or other users.
To make communication between computers or networking device we must to know how Data packet is traveling between two computers in the network.
For example if we have a computer (PC-1) in home network and we want to communicate with Google.com (Web-Server) then how packet will flow in the network from our computer to the Google.com server and how we will get data from Google server (Check the below image: Understanding Packet Flow Across the Network).
In the above Diagram we can see the PC-1 and Web-server are connected with networ switch and switch is connected with Router, Routers are connected together and same things happining with the web-server too. In the computer network multiple Networking devices i.e Router, Switch and Cables (Ethernet and Serial Cables) are working together to make communication secusfull between these devices.
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