What is a ‘point of presence’ or streaming CDN POP ?



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A point-of-presence, or CDN POP, is the physical connection where two communication protocols link. A traditional example of a point-of-presence is found with the local telephone switch, which allows your local phone line to make long distance calls. Both with the internet and phone lines, the point-of-presence is the link that makes the exchange of communications protocols happen. Gravitylab uses the term POP to describe the connection points between users and the Internet.


What does a CDN POP look like? What is it in reality? All points-of-presence are made up of digital to analog relays, various switches for both the internet and telephone communication, routers, racks and servers. All of this hardware means that the POP can convert your method of transmission into the correct format, then routed on to the point of termination.


Most regions, even smaller communities, can have hundreds of POPs set up, allowing their ‘downstream users’ or more simply, the local population, to have phone service, tap into the wireless international exchanges of voice and data. Gravitylab uses our POPs to put your video right at the edge of where the internet goes from ‘global’ to ‘local’.





Gravitylab has 27 POPs in 27 cities worldwide. Host your video and originate your stream from 27 global datacenters.





What is a Content Delivery Network?

A Content Delivery Network (CDN) is a system of distributed caches containing copies of data, placed at various points in a network so as to maximize bandwidth for access to the data from clients throughout the network. The operation of a CDN is reliant on a number of processes and functions that can be categorized as:



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