ZyXEL Communications G-102 Guide de l'utilisateur télécharger pdf (Page 23)

ZyXEL G-102 User’s Guide

Wireless LAN Network 2-3

Figure 2-2 BSS Example

A series of overlapping BSS and a network medium, such as an Ethernet forms an Extended Service Set

(ESS) or infrastructure network. All communication is done through the AP, which relays data packets to

other wireless stations or devices connected to the wired network. Wireless stations can then access

resource, such as the printer, on the wired network.

Figure 2-3 Infrastructure Network Example

2.1.5 Roaming

In an infrastructure network, wireless stations are able to switch from one BSS to another as they move

between the coverage areas. During this period, the wireless stations maintain uninterrupted connection to

the network. This is roaming. As the wireless station moves from place to place, it is responsible for

choosing the most appropriate AP depending on the signal strength, network utilization or other factors.

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ZyXEL Communications G-102 Guide de l'utilisateur Page 23