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Remote Wake-Up

Definition

Remote Wake-Up is a technology feature that allows a computer or networking device to be awakened from a sleeping or standby state, often for the purpose of maintenance or remote access. It is often implemented using a signal sent over a network or Internet connection. The feature can save energy as devices can remain in low power states until needed.

Phonetic

The phonetics of “Remote Wake-Up” would be: Remote: /riˈmoʊt/Wake-Up: /ˈweɪk ʌp/

Key Takeaways

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  1. Remote Wake-Up technology is a feature that allows computers and other devices to be turned on or awakened from a low power state or sleep mode remotely.
  2. This feature is particularly useful for administrators who can wake up devices for upgrades or patches installation, saving time and increasing efficiency.
  3. Remote Wake-Up can significantly reduce energy consumption by allowing systems to remain in a sleep mode when not in use, and only awakening them when necessary.

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Importance

The technology term “Remote Wake-Up” is important because it allows for improved efficiency and flexibility in managing computers or other devices within a network. Essentially, it is a signal used to turn on or awaken a device from a sleeping or dormant state over a network. This is beneficial when large networks of devices need to be managed and maintained — for instance, installing updates or performing system checks during off-peak hours to avoid disrupting users. Remote Wake-Up can save energy and costs by allowing systems to stay in low-power sleep mode when not in use, yet enabling system administrators to bring them online as needed, remotely. It serves as a crucial technological advancement, especially relevant in today’s context of widespread remote work and cloud computing.

Explanation

The primary purpose of the technology feature, Remote Wake-Up, also known as Wake-on-LAN (WoL), is to allow users to turn on a networked computer remotely, usually over a local area network or the Internet. It is fundamentally used in businesses and large networks to manage machines and perform maintenance tasks without physical human presence. But it also facilitates flexibility for home users, enabling them to activate devices from another location, whether for file access or to conduct downloads.The feature provides a more efficient and effective approach to managing networks or even devices at home. In business situations, Remote Wake-Up can be instrumental in minimizing downtime during maintenance periods by enabling the switch-on of machines after office hours, allowing system updates, software installation or troubleshooting to occur. At the consumer level, a user might utilize this function to access files on their home system while they are away or initiate downloads to have them ready upon their return. Overall, Remote Wake-Up results in enhanced system availability and convenience of access.

Examples

1. “Wake-on-LAN”: Wake-on-LAN is a widely used example of remote wake-up technology for use within office networks, especially when networks encompass multiple buildings. System administrators employ this technology to manage updates or troubleshoot issues from a central location. They can wake up a system remotely, apply the necessary updates or fixes, and then shut it down again, all without having to physically go to the location of the machine.2. “Home Automation Systems”: Many smart home devices enable users to remotely “wake up” or activate various systems in their home. For example, a user could “wake up” their home’s heating system while they are on their way home from work, ensuring the house is warm when they arrive, or they can wake up their security system from a distance.3. “Remote PC Access Software”: Tools like TeamViewer allow users to remotely wake up their PC from sleep mode. For instance, a user might be travelling but needs to access a file on their home PC. Using this kind of software, they can remotely wake up their PC, retrieve the file, and then put the PC back into sleep mode.

Frequently Asked Questions(FAQ)

**Q: What is Remote Wake-Up?**A: Remote Wake-Up refers to a technology that allows a suspended or shutdown computer to be restarted remotely, generally for the purpose of remote management and maintenance.**Q: How does Remote Wake-Up work?**A: The Remote Wake-Up feature works using a network signal. A “wake-up” packet is sent to the target machine, which responds by booting up or “waking up”.**Q: What is the purpose of Remote Wake-Up?**A: The primary purpose of Remote Wake-Up is to allow for computer maintenance outside of regular business hours. It helps to prevent system downtime during peak usage hours that could hinder productivity.**Q: Do all computers and networks support Remote Wake-Up?**A: Not all computers or networks automatically support Remote Wake-Up. It typically needs to be a feature supported by the computer’s motherboard, and it generally requires configuring to allow for this capability.**Q: How do I enable Remote Wake-Up?**A: Enabling Remote Wake-Up can vary depending on your specific operating system and hardware. Often, the settings are found in the computer’s BIOS or UEFI settings. It’s recommended to refer to the user manual or IT administrator for precise steps.**Q: Is it possible to use Remote Wake-Up via the internet?**A: Yes, it is possible to use Remote Wake-Up via the internet, using what is often referred to as “Wake-on-WAN”. However, special configuration may be required to ensure the correct packet can reach the computer through any potential network barriers, like firewalls and routers.**Q: Is Remote Wake-Up secure?**A: The security of Remote Wake-Up can depend on the specific implementation and network configuration. Risks can be mitigated with secure network configurations and ensuring that management packets are not exposed to potential attackers. **Q: Is there an energy cost to using Remote Wake-Up?**A: Using Remote Wake-Up does require that the computer be in a standby or sleep state, rather than fully powered down. This means it will use some power, but generally significantly less than when the machine is fully operational.

Related Tech Terms

  • Wake-on-LAN (WoL)
  • Network Interface Controller (NIC)
  • Simple Network Management Protocol (SNMP)
  • Magic Packet
  • Power Management Settings

Sources for More Information

  • Techopedia: https://www.techopedia.com/definition/2672/remote-wake-up
  • TechTarget: https://www.techtarget.com/network/signals-wake-on-lan
  • How-To Geek: https://www.howtogeek.com/70374/how-to-geek-explains-what-is-wake-on-lan-and-how-do-i-enable-it/
  • LifeWire: https://www.lifewire.com/wake-on-lan-4149800
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