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Leonard Kleinrock
Leonard Kleinrock (born June 13, 1934) is an American computer scientist and a long-tenured professor at UCLA's Henry Samueli School of Engineering and Applied Science. In the early 1960s, Kleinrock pioneered the application of queueing theory to model delays in message switching networks in his Ph.D. thesis, published as a book in 1964. He later published several of the standard works on the subject. In the early 1970s, he applied queueing theory to model the performance of packet switching networks. This work played an influential role in the development of the ARPANET, the precursor to the Internet. He supervised many graduate students who worked on the communication protocols for internetworking which led to the Internet. His theoretical work on hierarchical routing in the late 1970s with student Farouk Kamoun remains critical to the operation of the Internet today. Education and career Leonard Kleinrock was born in New York City on June 13, 1934, to a Jewish family, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Internet Hall Of Fame
The Internet Hall of Fame is an honorary lifetime achievement award administered by the Internet Society (ISOC) in recognition of individuals who have made significant contributions to the development and advancement of the Internet.About page Internet Hall of Fame website. Last accessed April 24, 2012 Overview The Internet Hall of Fame was established in 2012, on the 20th anniversary of ISOC. Its stated purpose is to "publicly recognize a distinguished and select group of visionaries, leaders and luminaries who have made significant contributions to the development and advancement of the global Internet". Nominations may be made by anyone through an applications process. The Internet Hall of Fame Advisory Board is responsible for the final selection of inductees. The advisory board is m ...[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Henry Samueli School Of Engineering And Applied Science
The UCLA Henry Samueli School of Engineering and Applied Science, informally known as UCLA Samueli School of Engineering or UCLA Engineering, is the school of engineering at the University of California, Los Angeles (UCLA). It opened as the College of Engineering in 1945 and was renamed the School of Engineering in 1969. Since its initial enrollment of 379 students, the school has grown to approximately 6,500 students. The school is ranked 16th among all engineering schools in the United States. The school offers 28 degree programs and is home to eight externally funded interdisciplinary research centers, including those in space exploration, wireless sensor systems, and nanotechnology. History The school was renamed for its alumnus and professor Henry Samueli, who received his B.S. (1975), M.S. (1976), and Ph.D. (1980) in Electrical Engineering there. Samueli is co-founder, chairman, and chief technology officer of Broadcom Corporation and a philanthropist in the Orange County ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
University Of California, Los Angeles
The University of California, Los Angeles (UCLA) is a public land-grant research university in Los Angeles, California. UCLA's academic roots were established in 1881 as a teachers college then known as the southern branch of the California State Normal School (now San José State University). This school was absorbed with the official founding of UCLA as the Southern Branch of the University of California in 1919, making it the second-oldest of the 10-campus University of California system (after UC Berkeley). UCLA offers 337 undergraduate and graduate degree programs in a wide range of disciplines, enrolling about 31,600 undergraduate and 14,300 graduate and professional students. UCLA received 174,914 undergraduate applications for Fall 2022, including transfers, making the school the most applied-to university in the United States. The university is organized into the College of Letters and Science and 12 professional schools. Six of the schools offer undergraduate deg ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Massachusetts Institute Of Technology
The Massachusetts Institute of Technology (MIT) is a private land-grant research university in Cambridge, Massachusetts. Established in 1861, MIT has played a key role in the development of modern technology and science, and is one of the most prestigious and highly ranked academic institutions in the world. Founded in response to the increasing industrialization of the United States, MIT adopted a European polytechnic university model and stressed laboratory instruction in applied science and engineering. MIT is one of three private land grant universities in the United States, the others being Cornell University and Tuskegee University. The institute has an urban campus that extends more than a mile (1.6 km) alongside the Charles River, and encompasses a number of major off-campus facilities such as the MIT Lincoln Laboratory, the Bates Center, and the Haystack Observatory, as well as affiliated laboratories such as the Broad and Whitehead Institutes. , 98 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Computer Science
Computer science is the study of computation, automation, and information. Computer science spans theoretical disciplines (such as algorithms, theory of computation, information theory, and automation) to practical disciplines (including the design and implementation of hardware and software). Computer science is generally considered an area of academic research and distinct from computer programming. Algorithms and data structures are central to computer science. The theory of computation concerns abstract models of computation and general classes of problems that can be solved using them. The fields of cryptography and computer security involve studying the means for secure communication and for preventing security vulnerabilities. Computer graphics and computational geometry address the generation of images. Programming language theory considers different ways to describe computational processes, and database theory concerns the management of repositories o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Electrical Engineering
Electrical engineering is an engineering discipline concerned with the study, design, and application of equipment, devices, and systems which use electricity, electronics, and electromagnetism. It emerged as an identifiable occupation in the latter half of the 19th century after commercialization of the electric telegraph, the telephone, and electrical power generation, distribution, and use. Electrical engineering is now divided into a wide range of different fields, including computer engineering, systems engineering, power engineering, telecommunications, radio-frequency engineering, signal processing, instrumentation, photovoltaic cells, electronics, and optics and photonics. Many of these disciplines overlap with other engineering branches, spanning a huge number of specializations including hardware engineering, power electronics, electromagnetics and waves, microwave engineering, nanotechnology, electrochemistry, renewable energies, mechatronics/control, and ele ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bronx High School Of Science
The Bronx High School of Science, commonly called Bronx Science, is a public specialized high school in The Bronx in New York City. It is operated by the New York City Department of Education. Admission to Bronx Science involves passing the Specialized High Schools Admissions Test. Each November, about 30,000 eighth and ninth graders take the three-hour test for admittance to eight of the nine specialized high schools. The test is extremely competitive, with only 800 of the 30,000 applicants being accepted to Bronx Science each year. Founded in 1938 in the Bronx, New York City, Bronx Science is now situated in an educational area known as the Educational Mile in Bedford Park, a neighborhood in the northwest portion of the Bronx. Although originally known for its focus on mathematics and science, Bronx Science also emphasizes the humanities and social sciences and continually attracts students with a wide variety of interests beyond math and science. With eight Nobel Prize-w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jewish
Jews ( he, יְהוּדִים, , ) or Jewish people are an ethnoreligious group and nation originating from the Israelites Israelite origins and kingdom: "The first act in the long drama of Jewish history is the age of the Israelites""The people of the Kingdom of Israel and the ethnic and religious group known as the Jewish people that descended from them have been subjected to a number of forced migrations in their history" and Hebrews of historical Israel and Judah. Jewish ethnicity, nationhood, and religion are strongly interrelated, "Historically, the religious and ethnic dimensions of Jewish identity have been closely interwoven. In fact, so closely bound are they, that the traditional Jewish lexicon hardly distinguishes between the two concepts. Jewish religious practice, by definition, was observed exclusively by the Jewish people, and notions of Jewish peoplehood, nation, and community were suffused with faith in the Jewish God, the practice of Jewish (religious) la ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Farouk Kamoun
Farouk Kamoun (born October 20, 1946) is a Tunisian computer scientist and professor of computer science at the National School of Computer Sciences (ENSI) of Manouba University, Tunisia. He contributed in the late 1970s to significant research in the field of computer networking in relation with the first ARPANET network. He is also one of the pioneers of the development of the Internet in Tunisia in the early 1990s. Contribution to computer science The contribution of Dr. Kamoun in the domain of hierarchical routing begun in 1979 with his professor at the University of California UCLA, Leonard Kleinrock. They argued that the optimal number of levels for an N router subnet is ln(N), requiring a total of e\cdot ln(N) entries per router. They also shown that the increase in effective mean path length caused by hierarchical routing is sufficiently small that it is usually acceptable. The research work driven on Tunisia in the 1980s on network flow control based on buffer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hierarchical Routing
Hierarchical routing is a method of routing in networks that is based on hierarchical addressing. Background Most Transmission Control Protocol/Internet Protocol (TCP/IP) routing is based on a two-level hierarchical routing in which an IP address is divided into a network portion and a host portion. Gateways use only the network portion until an IP datagram reaches a gateway that can deliver it directly. Additional levels of hierarchical routing are introduced by the addition of subnetworks. Description Hierarchical routing is the procedure of arranging routers in a hierarchical manner. A good example would be to consider a corporate intranet. Most corporate intranets consist of a high speed backbone network. Connected to this backbone are routers which are in turn connected to a particular workgroup. These workgroups occupy a unique LAN. The reason this is a good arrangement is because even though there might be dozens of different workgroups, the span (maximum hop count to g ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Internetworking
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 most notable example of internetworking is the Internet, a network of networks based on many underlying hardware technologies. The Internet is defined by a unified global addressing system, packet format, and routing methods provided by the Internet Protocol. The term ''internetworking'' is a combination of the components ''inter'' (between) and ''networking''. An earlier term for an internetwork is catenet, a short-form of ''(con)catenating networks''. Interconnection of networks Internetworking started as a way to connect disparate types of networking technology, but it became widespread through the developing need to connect two or more local area netwo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Communication Protocol
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. Communicating systems use well-defined formats for exchanging various messages. Each message has an exact meaning intended to elicit a response from a range of possible responses pre-determined for that particular situation. The specified behavior is typically independent of how it is to be implemented. Communication protocols have to be agreed upon by the parties involved. To reach an agreement, a protocol may be developed into a technical standard. A programming language describes the same for computations, so there is a close analogy between protocols and programming languages: ''protocols are to co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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