A telecommunications network is a group of nodes interconnected by telecommunications links that are used to exchange messages between the nodes. The links may use a variety of technologies based on the methodologies of circuit switching , message switching , or packet switching , to pass messages and signals.
32-571: Eurovision is a pan-European television telecommunications network owned and operated by the European Broadcasting Union (EBU). It was founded in 1954 in Geneva , Switzerland, and its first official transmission took place on 6 June 1954. However, a year before the official launch, on 2 June 1953 the coronation of Elizabeth II was one of the first events to be broadcast across Europe. Major television broadcasts are distributed live through
64-511: A significant role in determining the level of failure resiliency, ease of incremental expansion, communication bandwidth and latency. In analogy to the improvements in the speed and capacity of digital computers, provided by advances in semiconductor technology and expressed in the bi-yearly doubling of transistor density, which is described empirically by Moore's law , the capacity and speed of telecommunications networks have followed similar advances, for similar reasons. In telecommunication, this
96-523: Is accessible via the website eurovisionsport.com and as an app for android and iOS mobile and tablet devices, and, later in the year, via Connected TVs and selected free ad-supported streaming television channels . Eurovision television transmissions may be recognised by the Eurovision ident and the opening theme of Marc-Antoine Charpentier 's " Te Deum " which appears before and after the programme to indicate to viewers they are connected and watching via
128-486: Is also offering all FIFA World Cup coverage for 2018 and 2022 , and is providing coverage of the 2021 FINA World Swimming Championships . Eurosport (now owned by Warner Bros. Discovery) was first created in 1989 by the EBU as a method of exploiting the member stations' sports rights. The EBU launched on 5 February 2024 a digital streaming platform for the business-to-consumer market called Eurovision Sport . The platform
160-528: Is expressed in Edholm's law , proposed by and named after Phil Edholm in 2004. This empirical law holds that the bandwidth of telecommunication networks doubles every 18 months, which has proven to be true since the 1970s. The trend is evident in the Internet , cellular (mobile), wireless and wired local area networks (LANs), and personal area networks . This development is the consequence of rapid advances in
192-487: Is offered as a live broadcast to all EBU members. The overall winner is awarded the Silver Rose Bowl . Jeux sans frontières (English: Games Without Frontiers , or Games Without Borders) was a Europe-wide television game show. In its original conception, it was broadcast from 1965 to 1999 under the auspices of the EBU. The original series run ended in 1982 but was revived in 1988 with a different complexion of nations and
224-530: The Internet protocol suite (TCP/IP) provide the control and routing of messages across the and IP data network. There are many different network structures that IP can be used across to efficiently route messages, for example: There are three features that differentiate MANs from LANs or WANs: Data center networks also rely highly on TCP/IP for communication across machines. They connect thousands of servers, are designed to be highly robust, provide low latency and high bandwidth. Data center network topology plays
256-455: The public switched telephone network (PSTN), the global Telex network, the aeronautical ACARS network, and the wireless radio networks of cell phone telecommunication providers. this is the structure of network general, every telecommunications network conceptually consists of three parts, or planes (so-called because they can be thought of as being and often are, separate overlay networks ): Data networks are used extensively throughout
288-587: The 1741 Teatro Cittadella in April 1851, the new theatre was designed by the architect Cesare Costa and constructed in the neoclassic style between 1852 and 1857. Its inauguration took place on 21 April 1857 with the performance of the Vittor Pisani by local composer Achille Peri . The format consists of dancers who are non- professional and between the ages of 16–21, competing in a performance of dance routines of their choice, which they have prepared in advance of
320-774: The Americas, the Middle East, North Africa and the Asia-Pacific region, as well as ad-hoc coverage of the African continent and the Pacific Rim. Not confined only to Europe , the EBU currently encompasses 75 television broadcasting organizations located in 56 countries of Europe, North Africa, and the Middle East. Furthermore, there are 61 associated broadcasting organizations in Europe, Africa, America, Asia, and Oceania. The EBU in co-operation with
352-543: The EBU has had the opportunity to send a dance act to compete for the title of "Eurovision Young Dancer". The act can be either a solo act or a dance couple, and all contestants must be between the ages of 16 and 21 years and not professionally engaged. Junior Eurovision Song Contest ( French : Concours Eurovision de la Chanson Junior ), is an annual international song competition, that was first held in Copenhagen , Denmark, on 15 November 2003. Sixteen countries participated in
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#1732855074985384-904: The EBU, and the latest event to be launched since the Eurovision Magic Circus Show . The event consists of non-professional choirs who are members of the EBU, with the inaugural contest taking place on 22 July 2017, hosted by the Latvian broadcaster Latvijas Televīzija (LTV), coinciding with the closing ceremony of the European Choir Games 2017. The contest returned for a second edition in August 2019 staged in Gothenburg , Sweden. Following its initial cancellation in June 2021 by Interkultur, in October 2022 it
416-589: The Eurovision Young Musicians competition has become one of the most important music competitions on an international level. The Eurovision Young Dancers was a biennial dance showcase broadcast on television throughout Europe. The first competition was held in Reggio Emilia , Italy, on 16 June 1985. It uses a format similar to the Eurovision Song Contest, every country that is a member of
448-438: The Eurovision network to EBU members. Members share breaking news footage through the daily Eurovision news exchange (EVN). They also exchange television programmes through the network. The EBU department that operated the Eurovision network became a separate joint-stock company under Swiss law ( Aktiengesellschaft or société anonyme ) in 2019, with the EBU as its sole shareholder. In January 2023, Eurovision Services
480-527: The Eurovision network. The most famous and well known times for this to occur is before and after the Eurovision Song Contest , although most contributed items, such as international relays of sports events, including the Olympics, are not thus credited and the general public is therefore mostly unaware of Eurovision's involvement. Telecommunications network Multiple nodes may cooperate to pass
512-719: The Narcissus Festival in Montreux , Switzerland, followed by an evening program from Rome, including a tour of the Vatican , an address from Pope Pius XII and an apostolic blessing . A year before the official launch, the Coronation of Elizabeth II was one of the first Eurovision broadcasts. Eurovision was managed by the European Broadcasting Union's Eurovision Operations Department and offered permanent coverage of Europe,
544-422: The competition. All of the acts then take part in a choreographed group dance during 'Young Dancers Week'. Jury members of a professional aspect and representing the elements of ballet , contemporary , and modern dancing styles, score each of the competing individual and group dance routines. The overall winner upon completion of the final dances is chosen by the professional jury members. The interval act
576-488: The development of metal-oxide-semiconductor technology . Eurovision Young Dancers 1985 The Eurovision Young Dancers 1985 was the first edition of the Eurovision Young Dancers , held at Teatro Municipale in Reggio Emilia , Italy on 16 June 1985. Organised by the European Broadcasting Union (EBU) and host broadcaster Radiotelevisione Italiana (RAI), dancers from eleven countries participated in
608-465: The framework of the daily Eurovision News Exchanges (EVN). Eurovision also sponsors the annual broadcast news industry conference, News Xchange . Despite the similarity in name this has no direct connection with Eurovision News Exchanges. Eurovision has offered free internet streaming of major sports events such as the London 2012 Olympics on its website, under the name Eurovision Sports. Eurovision Sports
640-616: The inaugural edition – each submitting one song, for a total of 16 entries. The 2003 contest was won by Croatia . The Eurovision Dance Contest (not to be confused with the Eurovision Young Dancers Competition ) was an international dancing competition that was held for the first time in London , United Kingdom on 1 September 2007. The competition was repeated in 2008 when it was held in Glasgow , United Kingdom, but has not been held since. The Eurovision Magic Circus Show
672-399: The message from an originating node to the destination node, via multiple network hops. For this routing function, each node in the network is assigned a network address for identification and locating it on the network. The collection of addresses in the network is called the address space of the network. Examples of telecommunications networks include computer networks , the Internet ,
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#1732855074985704-458: The respective host broadcaster, organises competitions and events in which its members can participate, if they wish to do so. These include: The Eurovision Song Contest ( French : Concours Eurovision de la Chanson ) is an annual international song competition that was first held in Lugano , Switzerland, on 24 May 1956. Seven countries participated – each submitting two songs, for a total of 14. This
736-410: The summer of 2018, hosted by the cities of Berlin (already chosen as the host for the 2018 European Athletics Championships ) and Glasgow (already chosen as the host for the 2018 European Aquatics Championships , and which will now also host the events of the other sports). The Eurovision Asia Song Contest was a proposed Asia-Pacific counterpart of the Eurovision Song Contest . The inaugural contest
768-554: The televised final. Arantxa Argüelles of Spain won the contest, with Norway and Sweden placing second and third respectively. Teatro Municipale (also since the 1980s called the Teatro Municipale Valli due to being named after the actor Romolo Valli ), a theatre in Reggio Emilia , Northern Italy was the host venue for the 1985 edition of the Eurovision Young Dancers. Following the destruction by fire of
800-485: The world for communication between individuals and organizations . Data networks can be connected to allow users seamless access to resources that are hosted outside of the particular provider they are connected to. The Internet is the best example of the internetworking of many data networks from different organizations. Terminals attached to IP networks like the Internet are addressed using IP addresses . Protocols of
832-416: Was a ballet performance from presenters repertoire. Awards were given to the top three countries. The table below highlights these using gold, silver, and bronze . The placing results of the remaining participants is unknown and never made public by the European Broadcasting Union. The jury members consisted of the following: The 1985 Young Dancers competition was broadcast in at least 11 countries. It
864-596: Was an entertainment show organised by the EBU, which began in 2010 and ended in 2012. Children aged between 7–14, representing countries within the EBU, performed a variety of circus acts at the Geneva Christmas Circus (French: Cirque de Noël Genève ). The main show was also accompanied by the Magic Circus Show Orchestra. Eurovision Choir (formerly Eurovision Choir of the Year) is a new event launched by
896-414: Was announced by the EBU that the event would return in 2023, hosted by Latvijas Televīzija for the second time in the contest's history. The European Sports Championships is a multi-sport event involving some of the leading sports in Europe. The European Governing Bodies for athletics, swimming, cycling, rowing and triathlon, will co-ordinate their individual championships as part of the first edition in
928-454: Was hosted by smaller broadcasters. Eurovision Young Musicians is a competition for European musicians that are younger than 19 years old. It is organised by the EBU and is a member of EMCY . The first competition was held in Manchester , United Kingdom on 11 May 1982. The televised competition is held every two years, with some countries holding national heats. Since its foundation in 1982,
960-437: Was set to consist of only one show. However, in 2021, SBS Commissioning Editor Josh Martin confirmed that the contest would not take place despite earlier plans. Routine transmissions of sport and culture events amount to over 15,000 transmission hours per year. High-profile Eurovision events include: Member broadcasting organisations also provide each other with news footage (over 30,000 separate news items per year) within
992-568: Was sold to a German investment advisory company, DUBAG AG, based in Munich . The terms of the agreement were not published. The EBU has also owned and operated a radio counterpart, Euroradio, since 1989. The name "Eurovision" was originally coined by British journalist George Campey when writing for the Evening Standard , and was adopted by the EBU for its network. The first official Eurovision transmission took place on 6 June 1954. It broadcast
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1024-542: Was the only contest in which more than one song per country was performed: since 1957 all contests have allowed one entry per country. The 1956 contest was won by the host nation, Switzerland . In this competition, only countries that are members of the EBU can participate. Let the Peoples Sing is a biennial choir competition, the participants of which are chosen from radio recordings entered by EBU radio members. The final, encompassing three categories and around ten choirs,
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