Functioning of NAT in Computer Networks

In this paper the NAT has been implemented & visualized in computer networks. NAT stands for Network Address Translation & is widely used in all types of networks whether wired or wireless. NAT has widely acceptance through all over the world because of its technique of mapping private IP to a public IP address which helps to conserve the limit of IPv4 Addressing. In this Paper it is clearly shown how the NAT helps in communication of network from an ISP to various organizations & further to various computers under it.