ITA Software Interview Question: what is TCP/IP stack?... | Glassdoor

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Intern Interview(Student Candidate) Boston, MA

what is TCP/IP stack?

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The TCP/IP model is a descriptive framework for the Internet Protocol Suite of computer network protocols created in the 1970s by DARPA, an agency of the United States Department of Defense. It evolved from ARPANET, which was an early wide area network and a predecessor of the Internet. The TCP/IP Model is sometimes called the Internet Model or less often the DoD Model.
The TCP/IP model describes a set of general design guidelines and implementations of specific networking protocols to enable computers to communicate over a network. TCP/IP provides end-to-end connectivity specifying how data should be formatted, addressed, transmitted, routed and received at the destination. Protocols exist for a variety of different types of communication services between computers.
TCP/IP has four abstraction layers as defined in RFC 1122. This layer architecture is often compared with the seven-layer OSI Reference Model; using terms such as Internet reference model, incorrectly, however, because it is descriptive while the OSI Reference Model was intended to be prescriptive, hence being a reference model

Scott Mckearney on Oct 20, 2011

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