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Chapter6 無線區域網路商業應用. 姓名 : 洪嘉蓬駱俊霖 學號 : N49413004N49413002. 無線區域網路已經遍及家庭數位化應用與 SOHO 小型或家庭辦公室,事實上,未來幾年內無線區域網路可預期的成長,是在企業與公眾上網應用方面。 以往無線區域網路安全性( security) 堪慮,然而近年來在產學界積極的研究下,大幅提升了無線區域網路資料傳輸的安全性。此外在筆記型電腦普及化、辦公行動化的大環境推波助瀾下,輕便的筆記型電腦以及個人數位助理 PDA ,成了人們在辦公室裡的最愛。. - PowerPoint PPT Presentation
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Chapter6 : : N49413004N49413002
SOHO (security) PDA
PtP (Point to Point) PtMP (Point to Multiple Point) PWLAN (Public Wireless LAN)(Hot Spots)
(Video Conference)
6-1 IEEE 802.11 T1 1.5Mbps
RF AP (Bridge) PoE RF AP(Hot Spots) PWLAN (Public Wireless LAN)600
PtP (Point to Point) PtMP (Point to Multiple Point)
6-2 PWLAN (Public WirelessLAN)(business model)
: : : : :
AAA(Authentication,Authorization, Accounting) D-LinkDSA-3100 (Wireless Service Gateway)
: (WAN Port)(Local Network Port)(Authentication Port)
(Hot Spots)
(External Authentication)(Hot Spots)
6-3 L3L2/L3IEEE 802.11-
AP(load balancing)(backup)(Dual-band Tri-Mode)AP2.4GHZ5GHZAPWDS(Wireless Distribution System)
(Load Balancing) :
APAPAP
(backup):
APAPAP(standby)APAP
WEPAPWEP()
(Hotspot)
AAA (Authentication , Authorization , Accounting)RADIUSAPIEEE 802.1x(Microsoft Windows NT Domain)
VLAN (Virtual Local Area Network)IEEE 802.1qVLANAPSSIDVLANAPVLANVLAN
6-4
24
6-5 ISDN
i2eyeIPi2eyeH.323ISDNIEEE 802.11b
~~END~~