A point-of-presence (POP) is an artificial demarcation or interface point between communications entities. In telephone networks, the demarcation point is the point at which the telephone carriers local loop network ends and connects with the telephone system or wiring at the customers premeses. ... In telecommunication and computer communication, the term network interface has the following meanings: The point of interconnection between a user terminal and a private or public network. ...

History

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. In telecommunication, Modification of Final Judgment (MFJ) is the 1982 antitrust suit settlement agreement (consent decree) entered into by the United States Department of Justice and the American Telephone and Telegraph Company (AT&T) that, after modification and upon approval of the United States District Court for the District of...

New usage

Today it has become a term often used by Internet service providers with relation to Internet exchange points and colocation centres. An Internet service provider (ISP) is a business or organization that offers users access to the Internet and related services. ... Jump to: navigation, search An Internet Exchange Point (IXP for short) is a physical infrastructure that allows different Internet Service Providers (ISPs) to exchange Internet traffic between their autonomous systems by means of mutual peering agreements. ... A room in the Telecity colocation center in Aubervilliers near Paris, France. ...

A medium- to large-sized internet service provider generally has many PoPs. Some have hundreds, some even thousands. An Internet service provider (ISP) is a business or organization that offers users access to the Internet and related services. ...

Sometimes the term is used for an internet cafe in a franchising chain. E-Corner First internet cafe, was located at Waverley station An Internet cafe or cybercafe is a place where one can use a computer with Internet access for a fee, usually per hour or minute; sometimes one can have unmetered access with a pass for a day or month, etc. ... Franchising (from the French for free) is a method of doing business wherein a franchisor licenses trademarks and methods of doing business to a franchisee in exchange for a recurring royalty fee. ... Look up Chain on Wiktionary, the free dictionary A chain can be any of the following: a flexible connection through multiple rigid links; applications include: pulling (it cannot be used for pushing) power transmission, as in roller chains (e. ...

 Short for point of presence, an access point to the Internet. ISPs have typically multiple POPs. A point of presence is a physical location, either part of the facilities of a telecommunications provider that the ISP rents or a separate location from the telecommunications provider, that houses servers, routers, ATM switches and digital/analog call aggregators