F
igure 4 below shows an arrangement in which access control is the only function reserved to the central location. Access to the Internet is provided by each access point, individually.
Figure 4: Elements of local access to the Internet
The observant reader will realise that LI has become very difficult. Although the central location still knows that an account is active, Internet connectivity is associated with each access point.
The driver for the adoption of this access model is simplicity, and reduction in cost.
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