H3C Technologies H3C MSR 50 - Manual (Page 9)

1-8
k Figure 1-9 Single BSS networ
The clients can communicate with each other and reach a host in the Internet. Communications
between clients within the same BSS are carried out through the AP and the AC.
Muti-ESS
All the clients under the same logical administration form an extended service set (ESS). This
multi-ESS topology describes a scenario where more than one ESS exists. When a mobile client joins
the AP, it can join one of the available ESSs. Figure 1-10 shows a multi-ESS network.
Figure 1-10 Multi-ESS network