Iscuss owing as they works: i. Network Address Translation. ii. Datagram Networks. iii. IP Fragmentation and Reassembly. iv. ICMP. v. ICANN.
i) NAT -> NAT stands for network address translation. It’s a way to map multiple local private addresses to a public one before transferring the information. Organizations that want multiple devices to employ a single IP address use NAT, as do most home routers.
three different types of NATs
a) Static NAT - When the local address is converted to a public one, this NAT chooses the same one. This means there will be a consistent public IP address associated with that router or NAT device.
b) Dynamic NAT - instead of choosing the same IP address every time, this NAT goes through a pool of public IP addresses. This results in the router or NAT device getting a different address each time the router translates the local address to a public address.
c) PAT - PAT stands for port address translation. It’s a type of dynamic NAT, but it bands several local IP addresses to a singular public one.
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