Why is 802.11 called 802.11?
802 is the number given to a family of IEEE standards that specify Local Area Network (LAN) physical and data link layers. Physical layer standards define operation of the medium used to carry data - for example, an Ethernet cable or a radio channel. Data link layer standards define how bits are framed for transmission over that medium.
Each standard within the 802 family is given a part number:
The 802.11 standard itself has a series of amendments:
The Wi-Fi Alliance tests products that comply with 802.11 standards; products that pass those tests receive the "Wi-Fi" brand.
Dig Deeper on Network protocols and standards
Related Q&A from Lisa Phifer
A remote access VPN connects remote users from any location to a corporate network. A site-to-site VPN, meanwhile, connects individual networks to ... Continue Reading
Licensed and unlicensed frequency bands serve different purposes for wireless communications. Find out the differences between the two bands and the ... Continue Reading
As the remote workforce increases, network managers and users might opt to set up two concurrent VPN connections from the same remote device. But ... Continue Reading