WOL meaning in Information Technology ?

Answer: What is Wake-on-LAN mean?

Wake-on-LAN (WoL) is an Ethernet or Token Ring computer networking standard that allows a computer to be turned on or awakened by a network message.

The message is usually sent to the target computer by a program executed on a device connected to the same local area network. It is also possible to initiate the message from another network by using subnet directed broadcasts or a WoL gateway service.

Equivalent terms include wake on WAN, remote wake-up, power on by LAN, power up by LAN, resume by LAN, resume on LAN and wake up on LAN. If the computer being awakened is communicating via Wi-Fi, a supplementary standard called Wake on Wireless LAN (WoWLAN) must be employed.

The WoL and WoWLAN standards are often supplemented by vendors to provide protocol-transparent on-demand services, for example in the Apple Bonjour wake-on-demand (Sleep Proxy) feature.

reference

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