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Wi-Fi is a family of wireless network protocols based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio waves. These are the most widely used computer networks in the world, used globally in home and small office networks to link desktop and laptop computers, tablet computers, smartphones, smart TVs, printers, and smart speakers together and to a wireless router to connect them to the Internet, and in wireless access points in public places like coffee shops, hotels, libraries, and airports to provide visitors with Internet connectivity for their mobile devices.
In computer networking, a wireless access point (WAP), or more generally just access point (AP), is a networking hardware device that allows other Wi-Fi devices to connect to a wired network. As a standalone device, the AP may have a wired connection to a router, but, in a wireless router, it can also be an integral component of the router itself. An AP is differentiated from a hotspot which is a physical location where Wi-Fi access is available.
SES, S.E.S., Ses and similar variants can refere to:
Wi-Fi Protected Access (WPA), Wi-Fi Protected Access II (WPA2), and Wi-Fi Protected Access 3 (WPA3) are the three security and security certification programs developed after 2000 by the Wi-Fi Alliance to secure wireless computer network. The Alliance defined these in response to serious weaknesses researchers had found in the previous system, Wired Equivalent Privacy (WEP).
Linksys Holdings, Inc., is an American brand of data networking hardware products mainly sold to home users and small businesses. It was founded in 1988 by the couple Victor and Janie Tsao, both Taiwanese immigrants to the United States. Linksys products include Wi-Fi routers, mesh Wi-Fi systems, Wifi extenders, access points, network switches, and Wi-Fi networking. It is headquartered in Irvine, California.
Broadcom Corporation is an American fabless semiconductor company that makes products for the wireless and broadband communication industry. It was acquired by Avago Technologies in 2016 and currently operates as a wholly owned subsidiary of the merged entity Broadcom Inc..
The Wi-Fi Alliance is a non-profit organization that owns the Wi-Fi trademark. Manufacturers may use the trademark to brand products certified for Wi-Fi interoperability.
The Linksys WRT54G Wi-Fi series is a series of Wi-Fi–capable residential gateways marketed by Linksys, a subsidiary of Cisco, from 2003 until acquired by Belkin in 2013. A residential gateway connects a local area network to a wide area network.
A wireless router is a device that performs the functions of a router and also includes the functions of a wireless access point. It is used to provide access to the Internet or a private computer network. Depending on the manufacturer and model, it can function in a wired local area network, in a wireless-only LAN, or in a mixed wired and wireless network.
Wireless security is the prevention of unauthorized access or damage to computers or data using wireless networks, which include Wi-Fi networks. The term may also refer to the protection of the wireless network itself from adversaries seeking to damage the confidentiality, integrity, or availability of the network. The most common type is Wi-Fi security, which includes Wired Equivalent Privacy (WEP) and Wi-Fi Protected Access (WPA). WEP is an old IEEE 802.11 standard from 1997. It is a notoriously weak security standard: the password it uses can often be cracked in a few minutes with a basic laptop computer and widely available software tools. WEP was superseded in 2003 by WPA, a quick alternative at the time to improve security over WEP. The current standard is WPA2; some hardware cannot support WPA2 without firmware upgrade or replacement. WPA2 uses an encryption device that encrypts the network with a 256-bit key; the longer key length improves security over WEP. Enterprises often enforce security using a certificate-based system to authenticate the connecting device, following the standard 802.11X.
Devicescape is an American developer of client/server software services for wireless networking connectivity, analytics, and context-awareness. Founded in 2001 as Instant802 Networks, the company was renamed to Devicescape in January 2005. Devicescape is a venture backed private company.
AOSS is a system by Buffalo Technology which allows a secure wireless connection to be set up with the push of a button. AirStation residential gateways incorporated a button on the unit to let the user initiate this procedure. AOSS was designed to use the maximum level of security available to both connecting devices including both Wired Equivalent Privacy (WEP) and Wi-Fi Protected Access (WPA).
The DG834 series are popular ADSL modem router products from Netgear. The devices can be directly connected to the phone line and establish an ADSL broadband Internet connection to the ISP and share it among several computers via 802.3 Ethernet and 802.11b/g wireless data links.
Wi-Fi Protected Setup is a network security standard to create a secure wireless home network.
Piggybacking on Internet access is the practice of establishing a wireless Internet connection by using another subscriber's wireless Internet access service without the subscriber's explicit permission or knowledge. It is a legally and ethically controversial practice, with laws that vary by jurisdiction around the world. While completely outlawed or regulated in some places, it is permitted in others.
Linksys WRTP54G is a Wi-Fi capable router with VoIP capability from Linksys. Launched in 2005, it is similar in function to the popular WRT54G, the device is capable of sharing Internet connections amongst several computers via 802.3 Ethernet and 802.11b/g wireless data links, but it also has two POTS ports for VoIP telephony.
Wi-Fi Direct is a Wi-Fi standard for peer-to-peer wireless connections that allows two devices to establish a direct Wi-Fi connection without an intermediary wireless access point, router, or Internet connection. Wi-Fi Direct is single-hop communication, rather than multihop communication like wireless ad hoc networks.
Ruckus Networks is a brand of wired and wireless networking equipment and software owned by CommScope. Ruckus offers Switches, Wi-Fi access points, CBRS access points, Controllers, Management systems, Cloud management, AAA/BYOD software, AI and ML analytics software, location software and IoT controller software products to mobile carriers, broadband service providers, and corporate enterprises. As a company, Ruckus invented and has patented wireless voice, video, and data technology, such as adaptive antenna arrays that extend signal range, increase data rates, and avoid interference, providing distribution of delay-sensitive content over standard 802.11 Wi-Fi.
IEEE 802.11ac-2013 or 802.11ac is a wireless networking standard in the IEEE 802.11 set of protocols, providing high-throughput wireless local area networks (WLANs) on the 5 GHz band. The standard has been retroactively labelled as Wi-Fi 5 by Wi-Fi Alliance.
IEEE 1905.1 is an IEEE standard which defines a network enabler for home networking supporting both wireless and wireline technologies: IEEE 802.11, IEEE 1901 powerline networking, IEEE 802.3 Ethernet and Multimedia over Coax (MoCA).
References
- Stephen Lawson (Jul 26, 2005) Linksys Simplifies Wireless Security, IDG News Service
- Glenn Fleishman, (January 12, 2005) Under the Hood with Broadcom SecureEasySetup, wifinetnews.com
- Rob Squires (9 January 2005) Broadcom, HP close wi-fi security hole, The Inquirer
- Security Now!, Episode 335, recorded January 9, 2012: WiFi Protected (In)Security http://www.grc.com/sn/sn-335.htm
