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ZyXEL X-550 User’s Guide
Figure 2-3 Infrastructure Network Example
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.
The following figure depicts a roaming example. When wireless station B moves to position X,
the ZyXEL X-550 in wireless station B automatically switches the channel to the one used by
access point 2 in order to stay connected to the network.
Figure 2-4 Roaming Example
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