Point of Presence
It is a site where there exists a collection of telecommunications equipment, usually modems, digital leased lines and multi-protocol routers. An Internet access provider may operate several PoPs distributed throughout their area of operation to increase the chance that their subscribers will be able to reach one. The alternative is for them to use virtual PoPs (virtual points of presence) via some third party.
A POP may actually reside in rented space owned by the telecommunications carrier to which the ISP is connected. The point of presence is a critical last mile to the subscriber.
The equipment in a POP is broken down into five categories:
- Base Stations – This equipment provides customers with a central point of connection with the Access Point and bandwidth management to evenly distribute the customer’s connection speeds.
- Client Equipment – This equipment is used by customers to connect to the central point of connection.
- Network Switches – This provides the link to the last mile and is used for distribution.
- Routers – Provides one or many routes to the network.
- Firewall – Provides protection from internal and external threats.
- 24×7 availability of network and supervised operation of all servers and services
- Perform network troubleshooting by remote communication with site technicians
- Centralized Management of network infrastructure
- Diagnostic testing from a desktop – across the hall or around the globe
- Proactive monitoring of network for alarms and important event notifications regarding any network irregularity