Network address translation and Network switch

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Difference between Network address translation and Network switch

Network address translation vs. Network switch

Network address translation (NAT) is a method of remapping one IP address space into another by modifying network address information in the IP header of packets while they are in transit across a traffic routing device. A network switch (also called switching hub, bridging hub, officially MAC bridge) is a computer networking device that connects devices together on a computer network by using packet switching to receive, process, and forward data to the destination device.

Cisco Systems

Cisco Systems, Inc. is an American multinational technology conglomerate headquartered in San Jose, California, in the center of Silicon Valley, that develops, manufactures and sells networking hardware, telecommunications equipment and other high-technology services and products.

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IPsec

In computing, Internet Protocol Security (IPsec) is a secure network protocol suite of IPv4 that authenticates and encrypts the packets of data sent over an IPv4 network.

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Network address

A network address is an identifier for a node or host on a telecommunications network.

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Network address translation

Network address translation (NAT) is a method of remapping one IP address space into another by modifying network address information in the IP header of packets while they are in transit across a traffic routing device.

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Network packet

A network packet is a formatted unit of data carried by a packet-switched network.

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OSI model

The Open Systems Interconnection model (OSI model) is a conceptual model that characterizes and standardizes the communication functions of a telecommunication or computing system without regard to its underlying internal structure and technology.

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Router (computing)

A router is a networking device that forwards data packets between computer networks.

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Routing

Routing is the process of selecting a path for traffic in a network, or between or across multiple networks.

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Transmission Control Protocol

The Transmission Control Protocol (TCP) is one of the main protocols of the Internet protocol suite.

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Voice over IP

Voice over Internet Protocol (also voice over IP, VoIP or IP telephony) is a methodology and group of technologies for the delivery of voice communications and multimedia sessions over Internet Protocol (IP) networks, such as the Internet.

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Web browser

A web browser (commonly referred to as a browser) is a software application for accessing information on the World Wide Web.

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Wide area network

A wide area network (WAN) is a telecommunications network or computer network that extends over a large geographical distance/place.

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