IT glossary of terms, acronyms and abbreviations. Faulkner Information Services . 2015.
Open Systems Interconnect (OSI) layer 2 — The second layer of OSI, known as the data link layer; organizes data into frames and sequences for transfer across the physical layer. Layer 2 primarily detects and corrects message errors being transmitted across any physical link, and… … IT glossary of terms, acronyms and abbreviations
Open Systems Interconnect (OSI) layer 4 — The fourth layer of OSI called the transport layer; recovers data that may have been lost due tonode failure on the lower network layers, and maps transport and network addresses. Layer 4 also establishes and manages reliable network… … IT glossary of terms, acronyms and abbreviations
Open Systems Interconnect (OSI) layer 1 — The first layer of OSI, known as the physical layer; represents the actual hardware interface, electrical or mechanical, that connects a device to a transmission medium … IT glossary of terms, acronyms and abbreviations
Open Systems Interconnect (OSI) layer 3 — The third layer of OSI, called the network layer; routes data from one element to another until it reaches its final destination … IT glossary of terms, acronyms and abbreviations
Open Systems Interconnect (OSI) layer 5 — The fifth layer of OSI called the session layer; is basically a dialogue between two users or devices during which data is exchanged in a conversational manner … IT glossary of terms, acronyms and abbreviations
Open Systems Interconnect (OSI) layer 7 — The seventh layer of OSI, known as the application layer; applies to the actual meaning rather than the format or syntax of applications, and permits communication between users … IT glossary of terms, acronyms and abbreviations
Open Systems Interconnect (OSI) model — A seven layer hierarchical reference structure developed by the ISO for defining, specifying, and relating communications protocols and for standardizing communication between systems manufactured by different vendors. See also MAC sublayer,… … IT glossary of terms, acronyms and abbreviations
Link layer — In computer networking, the link layer is the lowest layer in the Internet Protocol Suite (commonly known as TCP/IP ), the networking architecture of the Internet (RFC 1122, RFC 1123). It is the group of methods or protocols that only operate on… … Wikipedia
Computer Networks and Internet Technology — This article gives a brief outline of foundation for networks, direct link networks, packet switching, internetworking, end to end protocols, resource allocation issues, and applications. Contents 1 Computer networks 2 Connection method 3 … Wikipedia
Frame relay — In the context of computer networking, frame relay consists of an efficient data transmission technique used to send digital information. It is a message forwarding relay race like system in which data packets, called frames, are passed from one… … Wikipedia
