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Articles tagged with #networking
MAKING OF ECHO SERVER 1.import socket and sys library as we are going to use them as main building blocks import socket import sys 2.Set up the socket which uses version 4 ip address and TCP protocol door = socket.socket(socket.AF_INET,socket.SOCK_S...
Introduction to application layer
HOW CAN ATTACKER ATTACK NETWORK? 1.Network Sniffing -> Alice is talking to Bob & Eve will secretly listen their talks 2.Network Spoofing -> Eve will say to Alice that I'm Bob , and retrieve all secrets from Alice 3.DOS Attack -> I want to destroy an...
WHY WE REQUIRE LAYERING IN COMPUTER NETWORKS? It makes discussion easy It makes updating easy LAYERS OF COMPUTER NETWORKS Application layer -> Responsible for moving of good to truck Transport Layer -> Responsible for moving of good from tru...
LOSS Data loss occurs when queue is full or cache memory of router is full DELAY Due to 4 reasons we have delays Transmission delay -> (packet length)/(link transmission rate) Propogation delay -> (length of physical link)/(propogation speed) Queue...
PACKET SWITCHING Data is broken into small packets Route is decided by collection of routers by using routing algorithm Next router is decided by forwading which is done by routing table If there is traffic then data packets are stored in queue &...
