Henning Schulzrinne
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Henning Schulzrinne
Henning Schulzrinne is a German-American computer scientist, who led research and development of the voice over IP network protocols. Life Schulzrinne studied engineering management at the Department of Electrical Engineering and Information Technology of the German Technische Universität Darmstadt in Darmstadt, where he earned his ''Vordiplom'' (cf. Diplom), then went on to earn his M.Sc. at the University of Cincinnati and his Ph.D. at the University of Massachusetts Amherst. From 1992 to 1994 he worked for AT&T Bell Laboratories. From 1994 to 1996 he worked in Berlin at the ''Forschungs-Institut für Offene Kommunikationssysteme (GMD FOKUS)'', an institute of the now-defunct Gesellschaft für Mathematik und Datenverarbeitung (GMD) which became part of the Fraunhofer Society as Fraunhofer Institute for Open Communication Systems. He joined the faculty of the Computer Science department at Columbia University in 1998, and served as chair and Julian Clarence Levi Professor. H ...
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Department Of Electrical Engineering And Information Technology Of TU Darmstadt
The Department of Electrical Engineering and Information Technology (etit) is a department of the Technische Universität Darmstadt. It was the first faculty of electrical engineering in the world and offered the first course of study in electrical engineering. As of 2018, the Department of Electrical Engineering and Information Technology is one of the largest electrical engineering departments in Germany, with 29 professorships, around 250 scientific staff and around 2,400 students in 10 study courses. The history of the department is shaped by pioneers. Among the well-known graduates are for example John Tu, Kurt Heinrich Debus and Gerhard M. Sessler. History In 1882, the electrical engineering pioneer and physicist Erasmus Kittler was appointed to the world's first chair of electrical engineering. One year later, the Faculty of Electrical Engineering was founded at the Technische Universität Darmstadt and the world's first degree course in electrical engineering was ...
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Real-time Transport Protocol
The Real-time Transport Protocol (RTP) is a network protocol for delivering audio and video over IP networks. RTP is used in communication and entertainment systems that involve streaming media, such as telephony, video teleconference applications including WebRTC, television services and web-based push-to-talk features. RTP typically runs over User Datagram Protocol (UDP). RTP is used in conjunction with the RTP Control Protocol (RTCP). While RTP carries the media streams (e.g., audio and video), RTCP is used to monitor transmission statistics and quality of service (QoS) and aids synchronization of multiple streams. RTP is one of the technical foundations of Voice over IP and in this context is often used in conjunction with a signaling protocol such as the Session Initiation Protocol (SIP) which establishes connections across the network. RTP was developed by the Audio-Video Transport Working Group of the Internet Engineering Task Force (IETF) and first published in 1996 a ...
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Real Time Streaming Protocol
The Real Time Streaming Protocol (RTSP) is an application-level network protocol designed for multiplexing and packetizing multimedia transport streams (such as interactive media, video and audio) over a suitable transport protocol. RTSP is used in entertainment and communications systems to control streaming media servers. The protocol is used for establishing and controlling media sessions between endpoints. Clients of media servers issue commands such as ''play'', ''record'' and ''pause'', to facilitate real-time control of the media streaming from the server to a client (video on demand) or from a client to the server (voice recording). History RTSP was developed by RealNetworks, Netscape and Columbia University. The first draft was submitted to IETF in October 1996 by Netscape and Progressive Networks, after which Henning Schulzrinne from Columbia University submitted "RTSP'" ("RTSP prime") in December 1996. The two drafts were merged for standardization by the Multipar ...
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Mark Handley (computer Scientist)
Mark James Handley is Professor of Networked Systems in the Department of Computer Science of University College London since 2003, where he leads the Networks Research Group. Education Handley received his PhD from UCL in 1997, under the supervision of Jon Crowcroft. Career and research While at the International Computer Science Institute (ICSI), Handley co-founded the AT&T Center for Internet Research, as well as the XORP open-source router project (2000). Handley is a contributor to Internet Engineering Task Force (IETF) standards and a member of the IETF Routing Area Directorate and the Transport Area Directorate. Previously he was a member of the Internet Architecture Board (IAB) and chaired the IETF Multiparty Multimedia Session Control working group and the IRTF Reliable Multicast Research Group. He is the author or co-author of 34 Request for Comments (RFCs), including the Session Initiation Protocol, Multipath TCP and a series of other network protocols. Awards and ...
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Journal Of Communications And Networks
The ''Journal of Communications and Networks'' (print: , online ; formerly known as the ''International Journal of Digital & Analog Cabled Systems'') is a scientific journal published by the Korean Information and Communications Society and technically cosponsored by the IEEE Communications Society. The journal publishes theoretical research contributions presenting new techniques, concepts, or analyses, applied contributions reporting on experiences and experiments, and tutorial expositions of permanent reference value are welcome. The subjects covered by this journal include all topics in communication theory and techniques, communications system A communications system or communication system is a collection of individual telecommunications networks, transmission systems, relay stations, tributary stations, and terminal equipment usually capable of interconnection and interoperat ...s, and information networks. External links * {{Official website, http://jcn.or.kr ...
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IEEE Communications Society
The Institute of Electrical and Electronics Engineers (IEEE) is a 501(c)(3) professional association for electronic engineering and electrical engineering (and associated disciplines) with its corporate office in New York City and its operations center in Piscataway, New Jersey. The mission of the IEEE is ''advancing technology for the benefit of humanity''. The IEEE was formed from the amalgamation of the American Institute of Electrical Engineers and the Institute of Radio Engineers in 1963. Due to its expansion of scope into so many related fields, it is simply referred to by the letters I-E-E-E (pronounced I-triple-E), except on legal business documents. , it is the world's largest association of technical professionals with more than 423,000 members in over 160 countries around the world. Its objectives are the educational and technical advancement of electrical and electronic engineering, telecommunications, computer engineering and similar disciplines. History Origins ...
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Internet Technical Committee
The Internet Technical Committee (ITC) is a joint committee of the Internet Society (ISOC) and the IEEE Communications Society (ComSoc). The Internet Technical Committee was officially created in December 1994. Vision and Goals The Internet Society stimulates interdisciplinary technical exchange and the application of state of the art communications and related technologies to Internet infrastructure and services. The Committee seeks to generate new technical insights from interaction between the Internet and public network communities, contributing to the worldwide emergence of a ubiquitous, multimedia, and high-performance Internet. The Committee sponsors and cosponsors workshops, organizes sessions at conferences of both Societies, and encourages submission of articles to their publications. The scope of the Committee includes evolution of the IP protocol; architectural and scaling issues; addressing, routing, and directory services; protocols and technologies in support of re ...
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Julian Clarence Levi
Julian Clarence Levi (December 8, 1874 – August 23, 1971) was an American architect, watercolor painter, and philanthropist. Biography Levi was born on December 8, 1874, on West 51st Street in Midtown Manhattan. His father, Albert Augustus Levi, was an investment banker originally from Germany and was one of the trustees of the Society for Ethical Culture upon its founding in 1877. The elder Levi was also a brother-in-law of the Seligman brothers who founded J. & W. Seligman & Co. Levi helped found the San Francisco branch of the family business, J. Seligman & Co. Two of his aunts married into the Seligman family and his uncles-in-law included prominent investment bankers Isaac Seligman and Joseph Seligman. He attended Columbia College, graduating in 1896, and attended the Columbia School of Architecture for two years before moving to Paris to study at the Beaux-Arts de Paris. He joined the practice of Francis H. Kimball upon finishing his studies and designed the J. & ...
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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 Applied science, practical disciplines (including the design and implementation of Computer architecture, hardware and Computer programming, software). Computer science is generally considered an area of research, 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 computational problem, problems that can be solved using them. The fields of cryptography and computer security involve studying the means for secure communication and for preventing Vulnerability (computing), security vulnerabilities. Computer graphics (computer science), Computer graphics and computational geometry address the generation of images. Progr ...
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Fraunhofer Institute For Open Communication Systems
The Fraunhofer Institute for Open Communication Systems, or FOKUS, is an organization of the Fraunhofer Society. Headquartered in Berlin (Charlottenburg), the institute is engaged in applied research and development in the field of Information and Communications Technology. The institute is jointly led by Prof. Manfred Hauswirth and Dr. Tom Ritter. Manfred Hauswirth also holds a chair in at the Technische Universität Berlin The Technical University of Berlin (official name both in English and german: link=no, Technische Universität Berlin, also known as TU Berlin and Berlin Institute of Technology) is a public research university located in Berlin, Germany. It was .... Dr. Tom Ritter is the institute’s deputy director. History FOKUS was founded in 1988 as a research establishment for Open Communication Systems and an institute of the former "Gesellschaft für Mathematik und Datenverarbeitung GmbH" (GMD, Society for Mathematics and Data Processing). Since the merger of GMD ...
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Fraunhofer Society
The Fraunhofer Society (german: Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., lit=Fraunhofer Society for the Advancement of Applied Research) is a German research organization with 76institutes spread throughout Germany, each focusing on different fields of applied science (as opposed to the Max Planck Society, which works primarily on basic science). With some 29,000 employees, mainly scientists and engineers, and with an annual research budget of about €2.8billion, it is the biggest organization for applied research and development services in Europe. Some basic funding for the Fraunhofer Society is provided by the state (the German public, through the federal government together with the states or ''Länder'', "owns" the Fraunhofer Society), but more than 70% of the funding is earned through contract work, either for government-sponsored projects or from industry. It is named after Joseph von Fraunhofer who, as a scientist, an engineer, and an entr ...
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