WASHINGTON STATE DEPARTMENT OF TRANSPORTATION

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WASHINGTON STATE DEPARTMENT OF TRANSPORTATION

• WIRELESS LAN History Direction

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WIRELESS LAN History

• 1996 904 Mhz
• 1997 2.4 Ghz, Olympia Area
• 1998 WSF Phase 1
• 2001 WSF Phase 2, VOIP
• 2002 Adjustments

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• WSDOTS
• FLOATING AREA NETWORK
• AKA.
• FLAN

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DOTs FLOATING AREA NETWORK

• Phase 1 1998
• Breezecom 2.4 Ghz 2 MB Spread Spectrum Radios
• Challenges Encountered
• Applications in wheelhouse
• User Acceptance Issues
• Coast Guard Issues
• Equipment Software Issues
• Environmental Issues
• Results Back To The Drawing Boards

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DOTs WSF FLAN Phase 2

• Breezecom/Alvarion Spread Spectrum Radios
• 2.4 Ghz, 11MB,
• Challenges Encountered
• Personnel, VOIP,
• Environmental, Users, Coast Guard, etc.
• Security WEP Encryption Compromise
• Results Working, But, Back to The Drawing
  Board, Again

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FLAN COVERAGE AREA
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Cisco Ferries Wireless Basic Setup
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FERRIES CONNECTIVITY VIA VPN
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Current Challenges

• Distance Speed
• VOIP
• Holding Sessions While Moving
• 40 Bit WEP
• Encryption
• On The Web
• Users etc.

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SUMMARY

• WSDOT Direction For Wireless
• VPN Encryption
• Ciscos Implementation of Spread Spectrum
• 802.11A where possible
• Wireless In Buildings/Labs
• Increased Bandwidth
• Influence WA State Direction