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The TCP/IP model includes specifications for translating the network addressing methods used in the Internet Protocol to link-layer addresses, such as media access control (MAC) addresses. All other aspects below that level, however, are implicitly assumed to exist and are not explicitly defined in the TCP/IP model.
TCP provides reliable, ordered, and error-checked delivery of a stream of octets (bytes) between applications running on hosts communicating via an IP network. Major internet applications such as the World Wide Web, email, remote administration, and file transfer rely on TCP, which is part of the transport layer of the TCP/IP suite.
PC Guide's Definition: SSH: Secure shell Application layer RFC 4252 SSID: Service set identifier (Wi-Fi) Wireless IEEE 802.11: STP: Spanning Tree Protocol Link layer Cisco's Introduction to Spanning Tree Protocol: SYN (TCP) Synchronization Link and other layers RFC 793 and many others TCP/IP: Transmission Control Protocol/Internet Protocol ...
In computer networking, a network service is an application running at the network application layer and above, that provides data storage, manipulation, presentation, communication or other capability which is often implemented using a client–server or peer-to-peer architecture based on application layer network protocols.
IP was the connectionless datagram service in the original Transmission Control Program introduced by Vint Cerf and Bob Kahn in 1974, which was complemented by a connection-oriented service that became the basis for the Transmission Control Protocol (TCP). The Internet protocol suite is therefore often referred to as TCP/IP.
Computer network engineering is a technology discipline within engineering that deals with the design, implementation, and management of computer networks.These systems contain both physical components, such as routers, switches, cables, and some logical elements, such as protocols and network services.
The TCP/IP model and its relation to common protocols used at different layers of the model Message flows between two devices (A-B) at the four layers of the TCP/IP model in the presence of a router (R). Red flows are effective communication paths, black paths are across the actual network links.
IP addresses are used by the Internet infrastructure to direct internet packets to their destinations. They consist of fixed-length numbers, which are found within the packet. IP addresses are generally assigned to equipment either automatically via DHCP, or are configured. However, the network also supports other addressing systems.