61. Traffic Management And Analysis; Traffic Theory Page3 dimensionless. The unit of traffic flow is erlang, abbreviated E, inhonor of the Danish pioneer traffic theorist agner Krarup erlang. http://www.online.kth.se/courses/common/2g1319/content/tma/traffic_theory3.html

The nature of telecommunication traffic A basic concept in traffic theory is the Erlang, a concept that describes traffic flow. To understand Erlang, there are three key words to keep in mind: traffic volume traffic flow or intensity duration of a specified period of time Consider a group of parallel connecting devices that form a part of a communication network. Let this group carry traffic, and then we define two concepts to understand what Erlang is: Traffic volume carried by the group of parallel devices during a specified period is the sum of the "times" for which the devices are held (by held we mean devoted to carry traffic). Traffic flow is the traffic volume divided by the duration of the specified period. Since it is a ratio of two time periods, it is dimensionless. The unit of traffic flow is Erlang , abbreviated E, in honor of the Danish pioneer traffic theorist Agner Krarup Erlang introduction prerequisities probability ... print PDF

62. Telecommunications Users Association What is an erlang? agner Krarup erlang was a mathematician at theturn of the last Century (1878 1929). His work in calculating http://www.tua.co.uk/faqa.htm

63. ProfiTel Call Center - Call Center Glossar Translate this page erlang, agner Krarup (1878-1929) Dänischer Ingenieur, der Anfang des letzten Jahrhundertsbei der Telefongesellschaft in Kopenhagen angestellt war und die http://www.profitel.de/inhalt/glossar/e.html

E Einloggen ACD-System Enhanced Message Service Erlang Zeiteinheit von 60 Minuten, in denen die Leitungen eines Call Centers komplett belegt sind. Eine Komplett-Belegung von beispielsweise 240 Minuten pro Tag wird auch als 4 Erlang bezeichnet. Erlang, Agner Krarup Erlang B-Algorithmus A.K. Erlang Erlang C-Algorithmus A. K. Erlang Escalation Plan

64. Sommaire General Du Centre D Appels Lettres D-F Translate this page erlang, Du nom de l’ingénieur danois agner Krarup erlang, unité de trafic (essentiellementtéléphonique) correspondant à l’occupation d’une voie de http://www.digiway.fr/Html/glossairedf.htm

Expression Définition DAA " Distribution Automatique d’Appels " ; désigne un algorithme distribuant les appels en fonction du temps de repos d’un agent. ACD en anglais. DASHBOARD Tableau de bord en anglais. DCOM " Distributed Component Object Model ", protocole de communication défini par Microsoft permettant l'échange d'informations dans l'architecture COM. DDE " Dynamic Data Exchange ", mécanisme Microsoft d’échange d’informations entre deux applications Windows. Débordementnt Délégation sur site Forme d'externalisation réalisée sur le site de l'entreprise cliente avec du personnel rémunéré et géré par le prestataire. Soumis à des contraintes juridiques pour respecter la réglementation du travail (risque d'encourir le délit de marchandage). Détection de réponse DIP " Document and Imaging Processing ", Gestion Electronique Documentaire ou GED en français. Dissuasion DLL " Dynamic Link Library ", module Windows de code exécutable, déchargé dès achèvement de sa tâche.

65. Nationalencyklopedin På Internet, NE.se - NE.se Söksida Läs mer Källa Nationalencyklopedin. 2. erlang, agner Krarup erlang ,agnerKrarup, 18781929, dansk ingenjör. Läs mer Källa Nationalencyklopedin. http://www.ne.se/jsp/tradedoubler/search.jsp?t_word=Erlang

66. Nationalencyklopedin På Internet, NE.se - NE.se Söksida Träffar ur Nationalencyklopedin (11 av 1) 1. erlang, agner Krarup erlang ,agnerKrarup, 1878-1929, dansk ingenjör. Läs mer Källa Nationalencyklopedin. http://www.ne.se/jsp/tradedoubler/search.jsp?t_word=Agner Krarup Erlang

67. Imco It Management Solutions agner Krarup erlang født i 1878 i Lønborg i Jylland, var en af første i verdender studerede problemer i telefonnetværk. Køer, mistede kald mm. http://www.imco.dk/services_helpdesk_bemanding.html

Til Forsiden HelpDesk Sourcing af IT Projekt og prioriteringsmodel ... IT-chef på deltid Bemanding af Helpdesken De fleste kender det! Når der er mest brug for at kunne besvare brugernes opkald, er der køer og lange svartider. Det kan naturligvis ikke helt undgås, men ved at være proaktiv og ved at have et fornuftigt historisk statistikgrundlag, kan man nå langt. Kontakt Imco og få at vide hvordan du fordeler arbejdet optimalt i HelpDesken. I dag kan vi mere med det startede med Erlang: Den kendteste metode til beregning af belastning i HelpDeske sammenholdt med servicemål er den såkaldte Erlang C algoritme. Ved Hjælp af Erlang C kan man, når man kender antal kald, tid pr. kald og servicemålsætning i sekunder beregne behovet for medarbejdere i HelpDesken. HelpDeske med under 10-15medarbejdere vil i mange tilfælde kunne klare bemandingsplanlægning og forecasting uden at indkøbe specielt software, ved at anvende Erlang C. Agner Krarup Erlang født i 1878 i Lønborg i Jylland, var en af første i verden der studerede problemer i telefonnetværk. Køer, mistede kald mm.

68. Www.fagboginfo.dk - A.K. Erlang Og Teletrafikken Om matematikeren agner Krarup erlangs (18781929) liv og bedrifter herunder hansudvikling lagt stor vægt på at komme så tæt på mennesket erlang, som det http://www.fagboginfo.dk/lunulen/lnulenf.htm

Forsiden] [Emneliste] [Arkiv] A.K. Erlang og teletrafikken. Af Bjarne Kousholt. 101 sider, 13 x 21 cm. Med 36 illustrationer. Pris kr 98,00. UDDRAG AF INDHOLD: En rar dreng i Vestjylland. 'Den private person'. Elevernes idol. Telefonen kom tidligt til Danmark. Videnskabelig medarbejder. Erlangs fircifrede. B-formlen. International anerkendelse. Mennesket. Kronologi. Litteratur. Turist i Erlangs fodspor. Register. UDGIVER: Polyteknisk Forlag Anker Engelunds Vej 1, 2800 Lyngby Tlf: 77 42 43 44, fax: 77 42 43 54 E-post: poly@poly.dtu.dk Internet: www.polyteknisk.dk Til top Forsiden] [Emneliste] ... [Arkiv] FagBogInfo Blegdamsvej 4 B Postbox 638 2200 København N mailto:frodes@image.dk

69. Agner Krarup Erlang (1878 - 1929) agner Krarup erlang (1878 1929). AK erlang was the first person tostudy the problem of telephone networks. By studying a village http://www2.ittu.edu.tm/math/ttm-math/mathematics/mat dergi/mat dergisi/issue2/e

70. Help-Line, Conseil Et Externalisation De Centre D'appels Translate this page erlang Du nom de l’ingénieur danois agner Krarup erlang, unité de trafic (essentiellementtéléphonique) correspondant à l’occupation d’une voie de http://web.helpline.fr/pagesite/lexique_e.asp

LEXIQUE [A] [B] [C] [D] ... [Z] e-Commerce De la vente en ligne au consommateur final (B to C) au commerce entre entreprises (B to B), l'e-commerce se rapporte surtout au commerce électronique sur Internet. La multiplicité de l'offre et l'exigence croissante du client conditionnent des choix de stratégie commerciale et des choix techniques, notamment dans le cadre de la relation client. e-Mail Contraction de "electronic mail". Courrier (ou messagerie) éléectronique en français, adapté "mél" en français et courriel en québecois. Inventé en 1972, fut initialement réservé à la communication interne à une entreprise. Internet offre un service de ce type basé sur les protocoles SMTP et MIME. e-Mailing Transposition à Internet des pratiques du publipostage. S'appuie sur un gestionnaire de campagnes e-mail. e-Marketing Action marketing par l'intermédiaire des technologies Internet, par exemple campagne d'e-mailing, publicité par bannières et boutons. e-Procurement Système permettant aux entreprises d'effectuer leurs achats sur Internet EAI Enterprise Application Integration. C'est l'art de lier entre elles les applications de l'entreprise, le CRM avec l'ERP par exemple dans un souci d'homogénéité du système d'information ou de consolidation

71. Untitled agner erlang byl potomkem Thomase Finckeho z matciny strany. Jeho otecbyl reditelem školy a erlang zde získal základní vzdelání. http://natura.baf.cz/natura/2003/2/20030206.html

Významní matematikové v historii (13) zpracovali: Jiøí Svršek, Roman Bartoš Literatura: Turnbull University of St. Andrews. Albert Einstein narozen: 14. bøezna 1879 v Ulmu, Württemberg, Nìmecko zemøel: 18. dubna 1955 v Princetonu, New Jersey, USA Albert Einstein významnì pøispìl k zásadní zmìnì pohledu na fyzikální realitu. Jeho teorie relativity znamenala zvrat ve fyzice a patøí k vrcholùm intelektuálního umìní. V roce 1886 Albert Einstein navštìvoval školu v Mnichovì. Od 6 do 13 let se uèil hrát na housle a získal také náboženské židovské vzdìlání. O dva roky pozdìji zaèal studovat na gymnáziu Luitpold. Od roku 1891 se vìnoval studiu matematiky. V roce 1894 se Einsteinova rodina pøestìhovala do Milána, ale Einstein zùstal v Mnichovì. V roce 1895 se neúspìšnì pokusil o pøijetí na Eidgenössische Technische Hochschule v Zürichu, aby zde získal diplom inženýra elektrotechniky. Albert Einstein v roce 1896 odmítl nìmecké obèanství a v roce 1899 požádal o švýcarské obèanství, které mu bylo udìleno v roce 1901. Po neúspìšném pokusu o studium na ETH v Zürichu Einstein navštìvoval støední školu v Aarau. Chtìl se znovu touto cestou pokusit o studium na ETH. V Aarau napsal èlánek, ve kterém popsal své plány do budoucna. Napsal, že by chtìl studovat matematiku a fyziku a stát se uèitelem pøírodních vìd, zejména teoretické èásti, protože má pøedpoklady pro abstraktní matematické myšlení, pøedstavivost a praktické schopnosti.

72. Commentary: Mathematics Of Lines From Bill Hammack's Engineering & Life Radio Pr a branch of engineering called queuing theory. It began in 1909 at the CopenhagenTelephone Company when an engineer there, agner Krarup erlang, figured out http://www.engineerguy.com/comm/4022.htm

Commentary Mathematics of Lines: A Public Radio Commentary by Bill Hammack Listen using RealAudio I'm sure that this week you've been trapped in a slow moving line, likely for last minute gift shopping, or to return something. As an engineer, I have some good news for you about making those lines move faster. It comes from a branch of engineering called "queuing theory." It began in 1909 at the Copenhagen Telephone Company when an engineer there, Agner Krarup Erlang, figured out how to direct telephone calls to unused phone lines. This is exactly the same as a check out line. You showing up to check out is like a phone call arriving, and an available cashier is like an open telephone line. Here's what Erlang learned that is relevant to your life. To keep the lines moving it would seem that the store should just measure the number of people arriving in a typical hour and then assign enough cashiers so that usually everyone will be served quickly. Erlang showed that this was a recipe for checkout line gridlock. He learned that people are as likely to arrive at one time as another, but precisely when they arrive is random. This means that people will arrive in bunches, not spaced out evenly. So, if stores have just the right number of cashiers for the average number of shoppers in an hour, the store will, at times, have too few cashiers, resulting in long waits. The solution is to combine the separate lines into one huge line, and let that line feed to more than one cashier. You see this used at airports and in banks. It works because there is a random chance you'll be behind someone who causes a delay: Someone, say, who needs a price check. If that delay happens when you're in a line for a single cashier you'll be delayed, but imagine if you were in that one line that fed, say, three cashiers. The only time you'd be delayed is when people in front of all three cashiers are delayed. This makes the single line about three times faster than having one line per cashier.

73. Electronic Design - October 4, 1999 Volume 47, Number 20 - Where have we seen this problem before? agner erlang began workingon it in the early 1900s at Bell Laboratories. He analyzed how http://www.elecdesign.com/1999/oct0499/ql/1004qlp9.shtml

Return to table of contents for October 4, 1999 QuickLook Managing The Design Factory The Death Of Determinism Don Reinertsen L ong before the last ice age, Ogg and Grnk pondered the concept of uncertainty. Grnk, the perpetually hungry Neanderthal, decided it was time to catch a mammoth and unveiled his plan to Ogg. "I have noticed that on average, a mammoth walks down this path every two hours. From the steam coming off that large mammoth dropping, I can deduce that one passed here only minutes ago. I propose that we return to this spot every two hours and we can easily kill as many mammoths as we want without hanging out here all day." Grnk, a former basket-weaving major at Bison Valley University, didn't quite grasp the concept of variation. Ogg, the Cro-Magnon engineering major, was quick to tactfully correct his obvious error. "With your peanut Neanderthal brain, you do not seem to understand the mathematics of uncertainty. When there is random variation in arrival times, we cannot rely on averages to plan for lunch. We need to use the math of stochastic systems, not the math of deterministic systems." Grnk rolled his eyes and said, "You engineers always make things more complicated than they need to be."

74. Telecommunications Information Gateway - The Voice Path II - Faces From The Past Crystal. Emile Baudot, The Baudot Code as in Baud Rate. agner erlang,Telecom Traffic Analysis. Alan Turing, MicroProcessor - Code Breaker. http://www.celticrover.com/bgtt/voicepath2.asp

Site Information Home Celtic Rover Music from the Mist About the BGTT CCNA Reviews Chapters 1 - 15 Cabling Cable Plant Cable Run Guesstimator Comm Closet Frame Colors ... 110 Patch Panel Call Center Overview Agent Staffer Erlang C Calculator Vanity Number Generator CTI AT Set Binary Table BRI IP Address ... TraceRoute // TraceRt Digits.... Binary Decibels Direct Wave Hex ... Watts PBX Overview Area Codes - NANPA Choke Network Digital Phone ... Switch Room T 1 Overview Digital Signal SONET T1 Bullets ... Trunk Guesstimator Voice Path Introduction Faces Binary Electricity Resources Alexander Graham Bell Area Codes Dbase Country Codes Dbase Buzz Terms ... Telephony Reviews The Celtic Rover Roving Date: 12:00:00 AM Telecommunications Information Gateway The BGTT The Voice Path II - Faces from the Past. The BGTT Introduction Faces from the Past. All Things Binary Electrical Voice Before getting into the differences between Analog and Digital Technology - let's take a moment to check out the folks responsible for getting us from there to here. You may not know it, but some common telecom terms possess a face: Isaac Newton Principles of Mathematics Michael Faraday Electro-magnetism Georg Ohm Principle of electrical resistance - Ohm's Law.

75. Lebensdaten Von Mathematikern Translate this page 276 - 197 v. Chr.) Erdelyi, Arthur (2.11.1908 - 12.12.1977) Erdös, Paul (26.3.1913- 20.9.1996) erlang, agner Krarup (1.1.1878 - 3.2.1929) Escher, Maurits http://www.mathe.tu-freiberg.de/~hebisch/cafe/lebensdaten.html

Diese Seite ist dem Andenken meines Vaters Otto Hebisch (1917 - 1998) gewidmet. By our fathers and their fathers in some old and distant town from places no one here remembers come the things we've handed down. Marc Cohn Dies ist eine Sammlung, die aus verschiedenen Quellen stammt, u. a. aus Jean Dieudonne, Geschichte der Mathematik, 1700 - 1900, VEB Deutscher Verlag der Wissenschaften, Berlin 1985. Helmut Gericke, Mathematik in Antike und Orient - Mathematik im Abendland, Fourier Verlag, Wiesbaden 1992. Otto Toeplitz, Die Entwicklung der Infinitesimalrechnung, Springer, Berlin 1949. MacTutor History of Mathematics archive A B C ... Z Abbe, Ernst (1840 - 1909) Abel, Niels Henrik (5.8.1802 - 6.4.1829) Abraham bar Hiyya (1070 - 1130) Abraham, Max (1875 - 1922) Abu Kamil, Shuja (um 850 - um 930) Abu'l-Wafa al'Buzjani (940 - 998) Ackermann, Wilhelm (1896 - 1962) Adams, John Couch (5.6.1819 - 21.1.1892) Adams, John Frank (5.11.1930 - 7.1.1989) Adelard von Bath (1075 - 1160) Adler, August (1863 - 1923) Adrain, Robert (1775 - 1843)

76. Neue Seite 1 Translate this page Erdös, Paul (26.3.1913 - 20.9.1996). erlang, agner Krarup (1.1.1878- 3.2.1929). Escher, Maurits Cornelis (17.6.1898 - 27.3.1972). http://www.mathe-ecke.de/mathematiker.htm

Abbe, Ernst (1840 - 1909) Abel, Niels Henrik (5.8.1802 - 6.4.1829) Abraham bar Hiyya (1070 - 1130) Abraham, Max (1875 - 1922) Abu Kamil, Shuja (um 850 - um 930) Abu'l-Wafa al'Buzjani (940 - 998) Ackermann, Wilhelm (1896 - 1962) Adams, John Couch (5.6.1819 - 21.1.1892) Adams, John Frank (5.11.1930 - 7.1.1989) Adelard von Bath (1075 - 1160) Adler, August (1863 - 1923) Adrain, Robert (1775 - 1843) Aepinus, Franz Ulrich Theodosius (13.12.1724 - 10.8.1802) Agnesi, Maria (1718 - 1799) Ahlfors, Lars (1907 - 1996) Ahmed ibn Yusuf (835 - 912) Ahmes (um 1680 - um 1620 v. Chr.) Aida Yasuaki (1747 - 1817) Aiken, Howard Hathaway (1900 - 1973) Airy, George Biddell (27.7.1801 - 2.1.1892) Aithoff, David (1854 - 1934) Aitken, Alexander (1895 - 1967) Ajima, Chokuyen (1732 - 1798) Akhiezer, Naum Il'ich (1901 - 1980) al'Battani, Abu Allah (um 850 - 929) al'Biruni, Abu Arrayhan (973 - 1048) al'Chaijami (? - 1123) al'Haitam, Abu Ali (965 - 1039) al'Kashi, Ghiyath (1390 - 1450) al'Khwarizmi, Abu Abd-Allah ibn Musa (um 790 - um 850) Albanese, Giacomo (1890 - 1948) Albert von Sachsen (1316 - 8.7.1390)

77. Traffic Modeling In Call Centers in the telephone industry and many of the theories still in use today were developedbetween 1909 and 1917 by the Danish mathematician agner Krarup erlang. http://www.diagnosticstrategies.com/traffic_modeling.htm

Traffic Modeling and Resource Allocation in Call Centers Introduction Traffic such as cars, customer lines and telephone calls share similar characteristics. Traffic may be very busy and move slowly or stop and wait, or it may be light and experience no delays. Highways, toll booths, telephone lines and bank tellers may be either underutilized, causing costly idle times, or overloaded, generating long delays and provide poor service. Analysts must find the right number resources: toll booths, bank tellers, support agents and telephone lines to provide adequate service at reasonable costs. Traffic modeling analyzes traffic patterns and determines the necessary resources to handle that traffic. Traffic modeling originated in the telephone industry and many of the theories still in use today were developed between 1909 and 1917 by the Danish mathematician Agner Krarup Erlang. Erlang's biography and additional traffic modeling bibliography are available at www.pass.maths.org.uk/issue2/erlang

78. Full Alphabetical Index Translate this page 386) Eötvös, Lórand von (159*) Epstein, Paul (660*) Eratosthenes of Cyrene (1743)Erdélyi, Arthur (589*) Erdös, Paul (2168*) erlang, agner (409*), Escher http://www.maththinking.com/boat/mathematicians.html

Full Alphabetical Index Click below to go to one of the separate alphabetical indexes A B C D ... XYZ The number of words in the biography is given in brackets. A * indicates that there is a portrait. A Abbe , Ernst (602*) Abel , Niels Henrik (2899*) Abraham bar Hiyya (641) Abraham, Max Abu Kamil Shuja (1012) Abu Jafar Abu'l-Wafa al-Buzjani (1115) Ackermann , Wilhelm (205) Adams, John Couch Adams, J Frank Adelard of Bath (1008) Adler , August (114) Adrain , Robert (79*) Adrianus , Romanus (419) Aepinus , Franz (124) Agnesi , Maria (2018*) Ahlfors , Lars (725*) Ahmed ibn Yusuf (660) Ahmes Aida Yasuaki (696) Aiken , Howard (665*) Airy , George (313*) Aitken , Alec (825*) Ajima , Naonobu (144) Akhiezer , Naum Il'ich (248*) al-Baghdadi , Abu (947) al-Banna , al-Marrakushi (861) al-Battani , Abu Allah (1333*) al-Biruni , Abu Arrayhan (3002*) al-Farisi , Kamal (1102) al-Haitam , Abu Ali (2490*) al-Hasib Abu Kamil (1012) al-Haytham , Abu Ali (2490*) al-Jawhari , al-Abbas (627) al-Jayyani , Abu (892) al-Karaji , Abu (1789) al-Karkhi al-Kashi , Ghiyath (1725*) al-Khazin , Abu (1148) al-Khalili , Shams (677) al-Khayyami , Omar (2140*) al-Khwarizmi , Abu (2847*) al-Khujandi , Abu (713) al-Kindi , Abu (1151) al-Kuhi , Abu (1146) al-Maghribi , Muhyi (602) al-Mahani , Abu (507) al-Marrakushi , ibn al-Banna (861) al-Nasawi , Abu (681) al-Nayrizi , Abu'l (621) al-Qalasadi , Abu'l (1247) al-Quhi , Abu (1146) al-Samarqandi , Shams (202) al-Samawal , Ibn (1569) al-Sijzi , Abu (708) al-Tusi , Nasir (1912) al-Tusi , Sharaf (1138) al-Umawi , Abu (1014) al-Uqlidisi , Abu'l (1028) Albanese , Giacomo (282) Albategnius (al-Battani) (1333*)

79. Certis Technologies Inc. -- Introduction To Traffic Engineering The international unit of traffic is the erlang, named after the Danish mathematician,agner Krarup erlang, who laid the foundation to traffic theory in the http://www.certis.com/support/trafficintro.htm

Traffic Engineering Concepts Introduction Units of Telephone Traffic Traffic Variations The Busy Hour ... The Extended Erlang B Traffic Model Introduction The basic purpose of traffic engineering is to determine the conditions under which adequate service is provided to subscribers while making economical use of the resources providing the service. The advent of electronic switching and the establishment of the International Teletraffic Conference in 1955 led to unprecedented advancement in the area of traffic theory. Most articles and textbooks dealing with that subject, however, used a pure analytical approach that involved advanced mathematical concepts and complicated operations research techniques. More recently, there has been a tendency to present traffic theory in a form more understandable to the network engineer charged with such tasks as planning resource utilization and minimizing network costs. This new approach, combined with the advent of powerful and affordable computing, resulted in software tools that aim to implement traffic engineering concepts and automate network engineering tasks. Go To Top Units of Telephone Traffic The Erlang The international unit of traffic is the erlang, named after the Danish mathematician, Agner Krarup Erlang, who laid the foundation to traffic theory in the work he did for the Copenhagen Telephone Company starting 1908.

80. Call Center Misc. reading, research, and related links, call center help desk, miscellaneous,• In 1917, agner Karup erlang, a Danish mathematician who worked for the http://www.consociates.com/pages/C1dcallctr_misc.html

reading, research, and related links miscellaneous In 1917, Agner Karup Erlang, a Danish mathematician who worked for the Copenhagen Telephone Company, developed Erlang B and Erlang C, traffic engineering formulas. Call Center Directory prefsolutions.com links, calculators, newsletter, vendors, etc. Call Center Learning Center "one of the most comprehensive resources for call center managers. This site provides articles, reference books, benchmarking studies, vendor yellow pages, and updates on innovative technologies and best practices for call centers." Call Centre Manager's Forum An "oasis" for call center managers (links, articles, a quirky collection) Call Centre World.com "The Comprehensive Global Resource on the Call Center Industry; The one stop global call centre shop" with articles, bookstore, job posting, etc. Incoming Call Center Industry Resources (ICMI) Online Telephony Traffic Calculator Westbay Engineers Limited Online Call Center Cost Calculator Cyntergy Corporation Call Center Acronyms ICMI Call Center Glossary ICMI Telecommunications Acronym List Hill Associates, Inc.

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