What is TCP/IP
tcp/ip is a set of protocols that make the internet possible specifically tcp/ip or the transmission control protocol an internet protocol specifies how devices exchange data over the Internet to one another this suite of communication protocols identify how data should be broken down addressed transmitted routed and received for sharing it consists of two main protocols TCP and IP TCP defines how applications can create communication channels TCP also manages how messages should be broken down into packets before being transmitted over the Internet and reassembled at the destination IP defines how to address and route each packet to ensure it reaches the right destination TCP IP is designed for network reliability and auto recovery from failure and network admins use it to establish device and network connectivity with little central management its functionality divides into four layers the application layer which provides applications with standardized data exchange these protocols include HTTP FTP SMTP and SNMP the transport layer which maintains end-to-end communications across the network with the TCP protocol the network layer which manages packets and connects networks to transport the packets across Network boundaries using IP and Internet control message protocol and the physical layer which comprises protocols that only operate on a link the component that connects nodes or hosts in the network tcp/ip is non proprietary and easily modified it's compatible with all operating systems hardware and networks and it's highly scalable tcp/ip is often compared to the OSI model which is another communication standard that provides a theoretical framework for how networks and applications should communicate you
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