randy kendzior, dell, inc. september 24, 2004 wireless technology discussion massachusetts digital...
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Randy Kendzior, Dell, Inc.
September 24, 2004
Wireless Technology DiscussionMassachusetts Digital Government Summit
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Dell Confidential 2 of 23 Client Technologists
Wireless Networks – A Simple Overview
WPAN WLAN WWAN
Personal space Home, Campus, Hotspots Metros, Countries, Global
Attribute WPAN WLAN WWAN
Standard Bluetooth 802.11 GPRS, CDMA
Usage Model Cable replacementCampus connectivity,
public hotspotsAnytime / anywhere remote
access
Network Ad-hoc, piconetsDedicated enteprise, public
hotspot infrastructureCarrier licensed
infrastructure
Data Rate 1Mbps 11Mbps to 54Mbps 40Kbps to 2.4Mbps
Range/Coverage30' - personal proximity
area300' - campus/hotspot
coverageMetro/global coverage with
vehicular support
Subscription No Sometimes Yes
Cost Low Medium High (with access)
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Dell Confidential 3 of 23 Client Technologists
Current WLAN Technology Comparisons
802.11b 802.11a 802.11b/g 802.11a/b/g
Maximum Data Rate 11 Mbps 54 Mbps 54 Mbps 54 Mbps
Frequency Band 2.4 GHz 5 GHz 2.4 GHz 5/2.4 GHz
Channels 3 12 3 12/3
Typical Range Up to 300’ Up to 180’ Up to 300’ Up to 180/300’
802.11b Compatible Yes No Yes Yes
• 802.11b – Broadly deployed, lowest cost solution moving to cell phones and handhelds
• 802.11b/g - New mainstream WLAN solution, best for majority of mobile workers
• 802.11a - Provides added capacity in crowded enterprise environments
• 802.11a/b/g – Future-proof for maximum capacity and compatibility
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Dell Confidential 4 of 23 Client Technologists
200620062005200520042004PastPast
Security
Security
Radio
Radio
WLAN standards will emphasize throughput, QoS, security & management…
WLAN Technology RoadmapQoS
QoS
Other
Other
Wi-Fi802.11b
Wi-Fi802.11b 802.11g802.11g
802.11a802.11a
802.11n802.11n
WME(eDCF)WME(eDCF) 802.11e802.11e
WEPWEP WPA(TKIP)WPA
(TKIP)802.11i
(AES)802.11i
(AES)
802.1x802.1x
CiscoCCXv1Cisco
CCXv1 CCXv2CCXv2 CCXv3CCXv3
•Migration to dual-band•Faster data rates with .11n•Migration to dual-band•Faster data rates with .11n
•VoIP & streaming support•VoIP & streaming support
•Strong AES encryption•Port-based authentication•Strong AES encryption•Port-based authentication
•Cisco interoperability•Measurements & regulatory•Cisco interoperability•Measurements & regulatory
802.11d802.11d 802.11h802.11h
802.11k802.11k
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Dell Confidential 5 of 23 Client Technologists
WLAN Market Overview
• Wireless technologies, characterized according to range and mobility, will evolve to higher data rates
• WLAN market growth will be driven by improved costs, capabilities & usages
• WLAN standards will address throughput, QoS, security and management
• Security remains a key perceived barrier to enterprise WLAN adoption
• WLAN security solutions exist today and will be enhanced in the future
WLAN Market Overview
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Dell Confidential 6 of 23 Client Technologists
Wireless technologies, categorized by mobility and range, will continue to evolve to higher data rates...
Wireless Technology RoadmapWLAN
WLAN
Wi-Fi802.11b
Wi-Fi802.11b 802.11g802.11g
802.11a802.11a
802.11n802.11n 11 Mbps
100+ Mbps 54 Mbps
Incr
easi
ng
Ran
ge
and
Mo
bil
ity
WWAN
WWAN GSM
GPRSGSM
GPRS115 kbps
WCDMA(UMTS)
WCDMA(UMTS)
EDGEEDGE HSPDAHSPDA384 kbps 2 Mbps
CDMA2000
1xRTTCDMA2000
1xRTT 1xEV-DV1xEV-DV1xEV-DO1xEV-DO144 kbps 2.4 Mbps 3.1 Mbps
2007+2007+200620062005200520042004PastPast
WPAN
WPAN
Bluetooth1.1
Bluetooth1.1
Bluetooth1.2
Bluetooth1.2
BluetoothEDR
BluetoothEDR
Zigbee802.15.4Zigbee
802.15.4UWB
802.15.3aUWB
802.15.3a
Zigbee802.15.4’Zigbee
802.15.4’
3 Mbps
250 Kbps1 Mbps
100 Mbps+NG UWBNG UWB
480 Mbps
Bluetooth2.x
Bluetooth2.x 1 Mbps
BWA
BWA
WiMAX802.16aWiMAX
802.16a 802.16e802.16e
MobileFi802.20
MobileFi802.20
2-60 Mbps
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Dell Confidential 7 of 23 Client Technologists
Wireless Application Landscape
Shor
t R
ange
Lon
g R
ange
Low Data Rate High Data Rate Very high Data Rate
PAN
LAN
WAN
Text, Graphics,Internet, Compressed Audio
Data, Streaming Video,Internet, Hi-Fi Audio
Multi-channel Video & HDTV
Wireless technologies, categorized by mobility and range, will continue to evolve to higher data rates...
UWB
MMDS/LMDS
802.11b/g
802.11g/a
GSM/CDMAGPRS/3G
Bluetooth 1.1
ZigbeeBluetooth 2 (MR)
802.11n
802.16eMAN
802.16a
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Dell Confidential 8 of 23 Client Technologists
My_NetworkMy_Data
Wireless will be pervasive, enabling seamless network and device connectivity…
Wireless Everywhere and Anywhere
WPAN
WWAN
BWA
WLAN
GPS
RFID
Airport Customer Office Home
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Dell Confidential 9 of 23 Client Technologists
UWB Usage Scenarios Digital Home
Broadband
UWBUWB
UWB
LAN/WLAN Network
UWB
UWB
UWB usage models evolving for Cable replacement in the Digital Home
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Dell Confidential 10 of 23 Client Technologists
RADIUS
UWB
802.11a
Acronym Anxiety
WiMAX
Bluetooth
WEP 802.11n
802.11g
802.11i
AES
TKIP
Wi-Fi QoS
Zigbee
CCX
EAP
802.11b
UWB
GPRS
CDMA
802.11e
802.11h
802.16
PEAP
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Thank You