1. Basic Service Set (BSS) :
Basic Service Set (BSS) is a service set that provide medium for connecting and allowing communication among wireless components or devices. Here, medium is referred as Access Point (AP). AP is a device that allows wireless devices to get connect to wired network.
2. Independent Service Set (ISS) :
Independent Service Set (ISS) is a service set that does not require any medium for connecting and allowing communication among wireless components or devices.
Difference between BSS and ISS :
|In BSS, wireless devices communicate through medium.||In ISS, wireless devices communicate directly with each other without any medium.|
|BSS basically contain only one AP.||ISS does not require any AP and therefore no AP is present in ISS.|
|BSS usually provide short range wireless communication as compared to ISS.||ISS usually provide long range wireless communication as compared to BSS.|
|BSS does not support mobility i.e. user or client cannot move freely from one place to another.||ISS supports mobility i.e. user or clients can move freely from one place to another while communicating with each other without any interruption.|
|Clients or users are connected through a medium i.e. AP.||Clients or users are connected directly with each other without any need of AP.|
|Though BSS is easy, but it is rarely used.||ISS is mostly used as compared to BSS.|
|BSS usually set up connection between many wireless devices.||ISS usually set up connection between two or more fixed devices or laptops that needed to exchange files. There is no other network present.|
|It is also known as Infrastructure more.||It is also known as ad-hoc mode or peer to peer mode.|
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