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An Internet Standard in computer network engineering refers to the normative specification of a technology that is appropriate for the Internet. Internet Standards allow interoperation of hardware and software from different sources which allows the internet to function. They are the lingua franca of worldwide communications.
Internetworking is the practice of interconnecting multiple computer networks, such that any pair of hosts in the connected networks can exchange messages irrespective of their hardware-level networking technology. The resulting system of interconnected networks are called an internetwork, or simply an internet.
The Internet protocol suite, commonly known as TCP/IP, is the set of communications protocols used in the Internet and similar computer networks. The current foundational protocols in the suite are the Transmission Control Protocol (TCP) and the Internet Protocol (IP), as well as the User Datagram Protocol (UDP).
The Open Systems Interconnection model is a conceptual model that describes the universal standard of communication functions of a telecommunication system or computing system, without any regard to the system's underlying internal technology and specific protocol suites. Therefore, the objective is the interoperability of all diverse communication systems containing standard communication protocols, through the encapsulation and de-encapsulation of data, for all networked communication. In the OSI reference model, the communications between a computing system are split into seven different abstraction layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.
Vinton Gray Cerf is an American Internet pioneer and is recognized as one of "the fathers of the Internet", sharing this title with TCP/IP co-developer Bob Kahn. He has received honorary degrees and awards that include the National Medal of Technology, the Turing Award, the Presidential Medal of Freedom, the Marconi Prize, and membership in the National Academy of Engineering.
DECnet is a suite of network protocols created by Digital Equipment Corporation. Originally released in 1975 in order to connect two PDP-11 minicomputers, it evolved into one of the first peer-to-peer network architectures, thus transforming DEC into a networking powerhouse in the 1980s. Initially built with three layers, it later (1982) evolved into a seven-layer OSI-compliant networking protocol.
In the seven-layer OSI model of computer networking, the physical layer or layer 1 is the first and lowest layer; The layer most closely associated with the physical connection between devices. This layer may be implemented by a PHY chip.
In the seven-layer OSI model of computer networking, the network layer is layer 3. The network layer is responsible for packet forwarding including routing through intermediate routers.
The Advanced Research Projects Agency Network (ARPANET) was the first wide-area packet-switched network with distributed control and one of the first networks to implement the TCP/IP protocol suite. Both technologies became the technical foundation of the Internet. The ARPANET was established by the Advanced Research Projects Agency (ARPA) of the United States Department of Defense.
David L. Mills is an American computer engineer and Internet pioneer. Mills earned his PhD in Computer and Communication Sciences from the University of Michigan in 1971. While at Michigan he worked on the ARPA sponsored Conversational Use of Computers (CONCOMP) project and developed DEC PDP-8 based hardware and software to allow terminals to be connected over phone lines to an IBM 360 mainframe.
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The Interface Message Processor (IMP) was the packet switching node used to interconnect participant networks to the ARPANET from the late 1960s to 1989. It was the first generation of gateways, which are known today as routers. An IMP was a ruggedized Honeywell DDP-516 minicomputer with special-purpose interfaces and software. In later years the IMPs were made from the non-ruggedized Honeywell 316 which could handle two-thirds of the communication traffic at approximately one-half the cost. An IMP requires the connection to a host computer via a special bit-serial interface, defined in BBN Report 1822. The IMP software and the ARPA network communications protocol running on the IMPs was discussed in RFC 1, the first of a series of standardization documents published by the Internet Engineering Task Force (IETF).
A computer network is a set of computers sharing resources located on or provided by network nodes. The computers use common communication protocols over digital interconnections to communicate with each other. These interconnections are made up of telecommunication network technologies, based on physically wired, optical, and wireless radio-frequency methods that may be arranged in a variety of network topologies.
Danny Cohen was an Israeli American computer scientist specializing in computer networking. He was involved in the ARPAnet project and helped develop various fundamental applications for the Internet. He was one of the key figures behind the separation of TCP and IP ; this allowed the later creation of UDP.
A communication protocol is a system of rules that allows two or more entities of a communications system to transmit information via any kind of variation of a physical quantity. The protocol defines the rules, syntax, semantics and synchronization of communication and possible error recovery methods. Protocols may be implemented by hardware, software, or a combination of both.
In computer networking, the link layer is the lowest layer in the Internet protocol suite, the networking architecture of the Internet. The link layer is the group of methods and communications protocols confined to the link that a host is physically connected to. The link is the physical and logical network component used to interconnect hosts or nodes in the network and a link protocol is a suite of methods and standards that operate only between adjacent network nodes of a network segment.
The Recursive InterNetwork Architecture (RINA) is a new computer network architecture proposed as an alternative to the architecture of the currently mainstream Internet protocol suite. RINA's fundamental principles are that computer networking is just Inter-Process Communication or IPC, and that layering should be done based on scope/scale, with a single recurring set of protocols, rather than based on function, with specialized protocols. The protocol instances in one layer interface with the protocol instances on higher and lower layers via new concepts and entities that effectively reify networking functions currently specific to protocols like BGP, OSPF and ARP. In this way, RINA claims to support features like mobility, multihoming and quality of service without the need for additional specialized protocols like RTP and UDP, as well as to allow simplified network administration without the need for concepts like autonomous systems and NAT.
The International Networking Working Group (INWG) was a group of prominent computer science researchers in the 1970s who studied and developed standards and protocols for computer networking. Set up in 1972 as an informal group to consider the technical issues involved in connecting different networks, it became a subcommittee of the International Federation for Information Processing later that year. Ideas developed by members of the group contributed to the original "Protocol for Packet Network Intercommunication" proposed by Bob Kahn and Vint Cerf in 1974.
A long-running debate in computer science known as the Protocol Wars occurred from the 1970s to the 1990s when engineers, organizations and nations became polarized over the issue of which communication protocol would result in the best and most robust computer networks. This culminated in the Internet–OSI Standards War in the late 1980s and early 1990s, which was ultimately "won" by the Internet protocol suite ("TCP/IP") by the mid-1990s and has since resulted in most other protocols disappearing.
References
- ↑ Day, John D. (2008). Patterns in network architecture : a return to fundamentals. Library of Congress Catalog Record. ISBN 9780132252423 . Retrieved 2010-01-23.
- 1 2 3 Johnson, Johna Till (Mar 16, 2008). "Remember the Internet's past, or risk repeating it". IT World Canada. Archived from the original on 27 September 2011.
- 1 2 Crowcroft, Jon (2008). "Book review: Patterns in Network Architecture" (PDF). The Internet Protocol Journal. 11 (1): 37–38.
- 1 2 3 4 "John Day, ECE Adjunct Professor, Department Spotlight Seminar". Boston University, Department of Electrical & Computer Engineering. 2008. Retrieved 2010-01-23.
- 1 2 "Authors: John Day". InformIT. Pearson Education. Retrieved 2010-01-23.
- 1 2 3 4 5 "John Day curriculum vitae". A History of Computer Communications. Archived from the original on 8 October 2018. Retrieved August 8, 2013.
- ↑ Day, John D.; Zimmermann, Hubert (1983). "The OSI reference model". Proceedings of the IEEE . 71 (12): 1334–1340. doi:10.1109/proc.1983.12775. S2CID 30875675.
- 1 2 "Part-Time Faculty". Boston University Metropolitan College, Department of Computer Science. Retrieved 2010-01-23.
- ↑ Day, John (2007). Patterns in Network Architecture: A Return to Fundamentals. Prentice Hall. ISBN 978-0-13-225242-3.
- ↑ Day, John D. (1995). "The search for the origins of the Chinese manuscript of Matteo Ricci's maps". Imago Mundi. 47: 94–117. doi:10.1080/03085699508592815. JSTOR 1151306.
