(For example, all of the devices that together form and use a Wi‑Fi network called Foo are a service set.) A service set forms a logical network of nodes operating with shared link-layer networking parameters they form one logical network segment.Ī service set is either a basic service set ( BSS) or an extended service set ( ESS).Ī basic service set is a subgroup, within a service set, of devices that share physical-layer medium access characteristics (e.g. In IEEE 802.11 wireless local area networking standards (including Wi-Fi), a service set is a group of wireless network devices which share a service set identifier ( SSID)-typically the natural language label that users see as a network name. Note that in the diagram the incorrect label ESSID (Extended Service Set Identifier) refers to the service set identifier. Notebook_My is able to automatically roam between the two BSSs, without the user having to explicitly connect to the second network.
An example of a service set called "WiFi Wikipedia" consisting of two basic service sets ( BSSs).
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