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Internetworking
Internetworking is the technique of interconnecting myriad networks together, using connecting devices like routers and gateways. The different networks are owned by different entities that widely vary in terms of network technologies. These networks may be public, private, government, business or academic in nature, whose sizes may vary from small LANs to large WANs. The resulting network of networks is generally termed as internetwork or simply internet.
To enable efficient data communication among multiple networks, the connected networks decide upon a common protocol stack or communication methodology. The two architectural models that define the protocols used for communication are −
- Open System Interconnections model (OSI model)
- TCP/IP model or the Internet Protocol Suite.
Examples of internetworking
- The most widely used internetwork is the Internet (capitalization implies one specific internet), that uses the TCP/IP suite for interconnections. Its biggest service is the World Wide Web. The modern Internet in its present form came in the early 1990s. Since then it has been growing and is presently used by a few billion people all over the world.
- The predecessor of the Internet was ARPANET that was developed in the late 1960s and early 1970s. It was a packet switched network that developed protocols for internetworking.
Updated on: 17-Jun-2020
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