Identifying service-related entry points
A service-related entry point is simply the point where both a service provider and their customer’s network interconnect. Imagine contacting an ISP for residential internet service for your home. Usually, the customer, such as yourself, will already have a LAN with various types of networked devices such as computers, printers, and so on.
The demarcation point or demarc is the location where the service provider and the customer’s networks meet. If the ISP provides the customer with a modem, then the modem is the demarcation point on the network. The demarcation point also identifies the boundary that the ISP can provide support, such as troubleshooting issues, to ensure the internet service is working as expected.
The ISP will dispatch a crew to visit your location to implement their network infrastructure between the service provider network and your building or home. For customers opting for a fiber connection, the ISP...
