Point of presence

Point of presence

A point-of-presence (POP) is an artificial demarcation point or interface point between communications entities.

Telephone systems

In the USA, this term became important during the court-ordered breakup of the Bell Telephone system. A point of presence was a location where a long-distance carrier could terminate services and provide connections into a local telephone network.


An Internet point of presence is an access point to the Internet. It is a physical location that houses servers, routers, ATM switches and digital/analog call aggregators. It may be either part of the facilities of a telecommunications provider that the Internet service provider (ISP) rents or a location separate from the telecommunications provider. ISPs typically have multiple POPs, sometimes numbering in the thousands. POPs are also located in Internet exchange points and colocation centres.

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Look at other dictionaries:

  • point of presence — UK US noun [countable] [singular point of presence plural points of presence] computing a telephone number that a computer calls in order to be connected to the Internet Thesaurus …   Useful english dictionary

  • Point of Presence —   [engl.], POP …   Universal-Lexikon

  • point of presence — noun count COMPUTING a telephone number that a computer calls in order to be connected to the Internet …   Usage of the words and phrases in modern English

  • point of presence — UK / US noun [countable] Word forms point of presence : singular point of presence plural points of presence computing a telephone number that a computer calls in order to be connected to the Internet …   English dictionary

  • Point Of Presence — Un Point of Presence, acronyme PoP (littéralement « point de présence »), est une interface réseau entre deux entités de communication. Internet Un PoP internet est un point d accès à internet. Catégorie : Télécommunications …   Wikipédia en Français

  • Point of Presence — Als Point of Presence (PoP) wird ein physischer Knotenpunkt für eine Verbindung in ein (privates) Datennetzwerk bezeichnet. Es gibt kleine, unbemannte PoPs, die nur aus einem Schaltschrank mit etwas Technik bestehen (zum Beispiel USV, Router,… …   Deutsch Wikipedia

  • Point Of Presence — POP, point of access to the Internet that has a unique Internet address (the size of an Internet Service Provider is measured by the number of access points it has) …   English contemporary dictionary

  • POINT-OF-PRESENCE — (POP) локальная точка доступа к национальным или международным телекоммуникационным сетям. Пользователь подключается к сети, набирая местный телефонный номер ( без звонка по бесплатному номеру компании или в удаленный центр подключения). Точки… …   Словарь электронного бизнеса

  • point of presence —    Abbreviated POP. A connection to the telephone company or to long distance carrier services …   Dictionary of networking

  • point-of-presence —    (POP)    Physical place at which responsibility for managing inter LATA circuits changes from the local telephone company to the long distance company …   IT glossary of terms, acronyms and abbreviations

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