What are IEEE 802 wi-fi requirements?
IEEE 802 is a group of networking requirements that cowl the bodily and knowledge hyperlink layer specs for applied sciences similar to Ethernet and wi-fi. These specs apply to native space networks (LANs) and metropolitan space networks (MANs). IEEE 802 additionally aids in guaranteeing multivendor interoperability by selling requirements for distributors to comply with.
Basically, the IEEE 802 requirements assist be certain that web companies and applied sciences comply with a set of really helpful practices in order that community units can all work collectively easily.
IEEE 802 is split into totally different elements that cowl the bodily and knowledge hyperlink facets of networking. The household of requirements is developed and maintained by the Institute of Electrical and Electronics Engineers (IEEE) 802 LAN/MAN Requirements Committee, additionally referred to as the LMSC.
The set of requirements began in 1979 with a proposed normal referred to as Native Community for Pc Interconnection, which was authorised a yr later. The LMSC has made greater than 70 requirements for IEEE 802.
Some generally used requirements embody these for Ethernet, bridging and digital bridged LANs, wi-fi LANs, wi-fi MANs, wi-fi private space networks (PANs) and radio entry networks, in addition to media impartial handover companies.
Higher-known specs embody 802.3 Ethernet, 802.11 Wi-Fi and 802.15 Bluetooth/Zigbee. Nevertheless, a few of these requirements have been labeled as disbanded or hibernating, and are both outdated by newer requirements or being reworked. Utilizing an open course of, the LMSC advocates for these requirements globally.
Particular person working teams are selected and assigned to every space so that every phase receives a suitable quantity of focus. IEEE 802 specs additionally cut up the info hyperlink layer into two totally different layers — a logical hyperlink management layer and a media entry management (MAC) layer.
LMSC offers a PDF of requirements for as much as six months after they’ve been printed. All requirements keep in place till they’re changed with one other doc or withdrawn.
Why IEEE 802 requirements are necessary
LMSC was fashioned in 1980 to standardize community protocols and supply a path to make suitable units throughout quite a few industries.
With out these requirements, tools suppliers may manufacture community {hardware} that will solely connect with sure computer systems. It could be rather more troublesome to hook up with techniques not utilizing the identical set of networking tools. Standardizing protocols helps guarantee a number of sorts of units can connect with a number of community varieties. It additionally helps be certain that community administration is not the problem it might be if requirements weren’t in place.
IEEE 802 additionally coordinates with different worldwide requirements, such because the Worldwide Group for Standardization or ISO, to assist keep worldwide requirements.
The 802 in IEEE 802 doesn’t stand for something of significance; 802 was the subsequent numbered undertaking.
Examples of IEEE 802 makes use of
Industrial organizations can use the IEEE 802 specs to make sure their merchandise keep any newly specified requirements. So, for instance, the 802.11 specification that applies to Wi-Fi might be used to ensure Wi-Fi units work collectively below one normal. In the identical method, IEEE 802 may help keep LAN requirements.
These specs additionally outline what connectivity infrastructure will probably be used for — particular person networks or these at a bigger organizational scale.
The IEEE 802 specs apply to {hardware} and software program merchandise. In order that producers haven’t any enter on the requirements, there’s a voting protocol in place. This ensures one group doesn’t affect the requirements an excessive amount of.
Working teams
The working teams are the totally different areas of focus inside the 802 specs. They’re numbered from 802.1 onward.
| 802 | Overview | Fundamentals of bodily and logical networking ideas |
| 802.1 | Bridging |
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| 802.2 | Logical hyperlink management | Disbanded |
| 802.3 | Ethernet |
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| 802.4 | Token bus | Disbanded |
| 802.5 | Token ring | Disbanded |
| 802.6 | Distributed queue twin bus |
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| 802.7 | Broadband LAN practices | Disbanded |
| 802.8 | Fiber optic practices | Disbanded |
| 802.9 | Built-in companies LAN | Disbanded |
| 802.10 | Interoperable LAN safety | Disbanded |
| 802.11 | Wi-Fi | Wi-fi LAN MAC and bodily layer specification. 802.11a, b, g, ax, and so forth., are amendments to the unique 802.11 normal. Merchandise that implement 802.11 requirements should cross assessments and are known as Wi-Fi licensed. |
| 802.11a |
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| 802.11b |
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| 802.11d |
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| 802.11e |
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| 802.11g |
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| 802.11h |
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| 802.11i |
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| 802.11j |
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| 802.11k | Radio useful resource measurements for networks utilizing 802.11 household specs | |
| 802.11m |
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| 802.11n |
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| 802.11x | Misused generic time period for 802.11 household specs | |
| 802.12 | Demand precedence | Disbanded |
| 802.13 | Not used | Not used |
| 802.14 | Cable modems | Disbanded |
| 802.15 | Wi-fi PANs | Communications specification for wi-fi PANs that IEEE authorised in early 2002 |
| 802.15.1 | Bluetooth | Brief-range (10 meters) wi-fi expertise used for cordless mouse, keyboard and wi-fi headphones at 2.4 GHz |
| 802.15.3a | Extremely wideband | Brief-range, high-bandwidth extremely wideband hyperlink |
| 802.15.4 | Zigbee | Brief-range wi-fi sensor networks |
| 802.15.5 | Mesh community |
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| 802.16 | Wi-fi MANs |
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| 802.17 | Resilient packet ring | Disbanded |
| 802.18 | Radio Regulatory Technical Advisory Group | Helps IEEE 802 LMSC and IEEE 802 wi-fi working teams. Actively participates in and displays radio regulatory issues. |
| 802.19 | Wi-fi coexistence | Makes requirements for coexistence between totally different wi-fi requirements for unlicensed units |
| 802.20 | Cellular broadband wi-fi entry | Disbanded |
| 802.21 | Media impartial handover |
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| 802.22 | Wi-fi regional space community |
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| 802.23 | Emergency Providers Working Group | Disbanded |
| 802.24 | Vertical Purposes Technical Advisory Group | Targeted on utility classes that use IEEE 802 requirements or a number of working teams. For these, 802.24 acts as some extent of contact with different organizations centered on different IEEE 802 requirements. 802.24 may also function a useful resource for understanding the IEEE 802 requirements by offering white papers and different paperwork. |
Verify right here for an inventory of disbanded and hibernating requirements.
