Knowledge (XXG)

IEEE 802.11s

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802.11s started as a Study Group of IEEE 802.11 in September 2003. It became a Task Group in July 2004. A call for proposals was issued in May 2005, which resulted in the submission of 15 proposals submitted to a vote in July 2005. After a series of eliminations and mergers, the proposals dwindled
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Mesh STAs are individual devices using mesh services to communicate with other devices in the network. They can also collocate with 802.11 Access Points (APs) and provide access to the mesh network to 802.11 stations (STAs), which have broad market availability. Also, mesh STAs can collocate with an
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When peers discover each other (and security is enabled) they take part in an SAE exchange. If SAE completes successfully, each peer knows the other party possesses the mesh password and, as a by-product of the SAE exchange, the two peers establish a cryptographically strong key. This key is used
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The draft evolved through informal comment resolution until it was submitted for a Letter Ballot in November 2006 as Draft D1.00. Draft D2.00 was submitted in March 2008 which failed with only 61% approval. A year was spent clarifying and pruning until Draft D3.00 was created which reached WG
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There are no defined roles in a mesh – no clients and servers, no initiators and responders. Security protocols used in a mesh must, therefore, be true peer-to-peer protocols where either side can initiate to the other or both sides can initiate simultaneously.
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802.11 portal that implements the role of a gateway and provides access to one or more non-802.11 networks. In both cases, 802.11s provides a proxy mechanism to provide addressing support for non-mesh 802 devices, allowing for end-points to be cognizant of external addresses.
38:. The IEEE 802.11s task group drew upon volunteers from university and industry to provide specifications and possible design solutions for wireless mesh networking. As a standard, the document was iterated and revised many times prior to finalization. 165:, which specifies this handoff between nodes both obeying 802.11s and otherwise, may be required. This is especially likely if a longer-range lower-bandwidth service is deployed to minimize mesh dead zones, e.g. GSM routing based on 209:
A wireless mesh network architecture allowing otherwise out-of-range nodes 1–4 to still connect to the Internet. A key characteristic is the presence of multiple-hop links and using intermediate nodes to relay packets for
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to two (the "SEE-Mesh" and "Wi-Mesh" proposals), which became a joint proposal in January 2006. This merged proposal was accepted as draft D0.01 after a unanimous confirmation vote in March 2006.
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A mesh often consists of many small nodes. When mobile users or heavy loads are concerned, there will often be a handoff from one base station to another, and not only from 802.11 but from other (
290:. AODV route discovery and localized route repair approaches are identical to Associativity-based Routing. Prior work has discussed and compared these various routing protocols in detail. 223:
device is labelled as Mesh Station (mesh STA), or simply an ad hoc node. Mesh STAs form mesh links with one another, over which mesh paths can be established using an ad hoc mobile
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that govern wireless networking transmission protocols. They are commonly used today to provide wireless connectivity in the home, office and some commercial establishments.
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Mesh networking often involves network access by previously unknown parties, especially when a transient visitor population is being served. Thus the accompanying
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with the "Authenticated Mesh Peering Exchange" (AMPE) to establish a secure peering and derive a session key to protect mesh traffic, including routing traffic.
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The IEEE 802.11s standard was issued in 2011 and was superseded in 2012 when it became part of the IEEE 802.11 standard that was issued in 2012.
338:. The problem with a Diffie–Hellman key exchange is that it does not have an authentication mechanism. So the resulting key is influenced by a 727: 319: 513: 176:
standard will be required by most mesh networks to authenticate these users without pre-registration or any prior offline communication.
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In June 2011 the fifth recirculation Sponsor Ballot, on TGs Draft 12.0, was closed. The Draft met with 97.2% approval rate.
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Harkins, Dan (2008). "Simultaneous Authentication of Equals: A Secure, Password-Based Key Exchange for Mesh Networks".
560:"A Simulation Study of Table-Driven and On-Demand Routing Protocols for Mobile Ad Hoc Network - S J Lee, et. al., 1999" 1901: 1462: 1165: 1080: 1060: 804: 287: 116: 472: 2304: 1033: 1009: 278:, or HWMP), yet allows vendors to operate using alternate routing protocols. HWMP is inspired by a combination of 1871: 1070: 582: 64: 1305: 475:. The Working Group for WLAN Standards of the Institute of Electrical and Electronics Engineers. November 2006 202:
The 2012 release of the 802.11 specification (802.11-2012) directly incorporates Mesh Routing functionality.
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Between peers, 802.11s defines the secure password-based authentication and key establishment protocol
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A reference implementation of the 802.11s draft is available as part of the mac80211 layer in the
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2008 Second International Conference on Sensor Technologies and Applications (Sensorcomm 2008)
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802.11s also includes mechanisms to provide deterministic network access, a framework for
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wireless links and routing of packets through other nodes towards the destination node.
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approaches are also common. See the more detailed description of mesh security below.
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suitable to the actual network physical topology are required. 802.11s requires the
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delivery using "radio-aware metrics over self-configuring multi-hop topologies."
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mesh network, which may be used for relatively fixed (not mobile) topologies and
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The IEEE 802.11s amendment is supported by many products such as open80211s,
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See the more detailed description below comparing these routing protocols.
1557: 1329: 1320: 1038: 1028: 1023: 104: 100: 697:"Routing Protocols for Ad Hoc Mobile Wireless Networks by Padmini Misra" 2281: 2077: 2043: 1992: 1937: 1832: 1797: 1772: 1747: 1742: 1712: 1707: 1702: 1696: 1690: 1685: 1680: 1675: 1669: 1663: 1658: 1653: 1648: 1642: 1636: 1631: 1626: 1621: 1566: 1200: 1185: 386: 379: 224: 166: 96: 92: 88: 84: 72: 570: 538: 115:, or HWMP to be supported as a default. However, other mesh, ad hoc ( 2144: 1616: 1611: 1601: 1596: 1591: 1586: 1581: 1576: 1571: 1245: 1075: 973: 910: 870: 63:
standard by defining an architecture and protocol that supports both
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The MeshPoint.One router uses 802.11s mesh networking protocol.
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protocol. A key aspect of this architecture is the presence of
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is a wireless local area network (WLAN) standard and an
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802.11s defines a default mandatory routing protocol (
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Archived from 420:List of ad hoc routing protocols 242: 59:802.11s extends the IEEE 802.11 925:"Making a 'mesh' of your Wi-Fi" 751:Hiertz, Guido (January 2000). 1: 473:"HWMP Protocol specification" 376:Hybrid Wireless Mesh Protocol 276:Hybrid Wireless Mesh Protocol 113:Hybrid Wireless Mesh Protocol 757:IEEE Wireless Communications 720:10.1109/SENSORCOMM.2008.131 346:of both peers to solve the 324:Diffie–Hellman key exchange 314:Peer authentication methods 288:Associativity-Based Routing 117:Associativity-Based Routing 2349: 2305:IEEE Standards Association 2295: 869:BattleMesh contributors. 79:Closely related standards 974:Wifi/Mesh - FreeBSD Wiki 415:Wireless ad hoc networks 215:802.11 mesh architecture 36:wireless ad hoc networks 2310:Category:IEEE standards 322:(SAE). SAE is based on 805:"Linux 2.6.26 Changes" 660:Cite journal requires 601:Cite journal requires 348:authentication problem 284:Dynamic Source Routing 211: 125:location based routing 425:Mobile ad hoc network 410:Wireless mesh network 221:wireless mesh network 208: 121:Zone Routing Protocol 714:. pp. 839–844. 332:primary cyclic group 328:finite cyclic groups 41:802.11 are a set of 927:. 15 November 2016 895:has generic name ( 444:Stanley, Dorothy. 299:congestion control 212: 2318: 2317: 2209: 2208: 969:Status of 802.11s 729:978-0-7695-3330-8 571:10.1109/65.777441 272: 271: 235:Routing protocols 109:routing protocols 2338: 1326: 1003: 996: 989: 980: 956: 955: 953: 952: 942: 936: 935: 933: 932: 921: 915: 914: 907: 901: 900: 894: 890: 888: 880: 878: 877: 866: 860: 859: 857: 856: 846: 840: 839: 837: 836: 821: 815: 814: 812: 811: 801: 795: 794: 792: 790: 775: 769: 768: 766: 764: 748: 742: 741: 707: 701: 700: 693: 687: 686: 684: 676: 670: 669: 663: 658: 656: 648: 646: 634: 628: 627: 625: 617: 611: 610: 604: 599: 597: 589: 587: 581:. 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Index

IEEE 802.11
mesh networking
wireless LAN
wireless ad hoc networks
IEEE
standards
MAC
broadcast
multicast
unicast
802.11a
802.11b
802.11g
802.11n
802.11ac
802.11ax
routing protocols
Hybrid Wireless Mesh Protocol
Associativity-Based Routing
Zone Routing Protocol
location based routing
OLSR
B.A.T.M.A.N.
OSPF
WDS
GSM
Bluetooth
PCS
IEEE 802.21
OpenBTS

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