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W ASHINGTON S TATE D EPARTMENT O F T RANSPORTATION

W ASHINGTON S TATE D EPARTMENT O F T RANSPORTATION. W IRELESS – LAN History & Direction. W IRELESS LAN History. 1996 – 904 Mhz 1997 – 2.4 Ghz, Olympia Area 1998 – WSF Phase 1 2001 – WSF Phase 2, VOIP 2002 – “Adjustments “. WSDOT’S F LOATING A REA N ETWORK AKA. FLAN.

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W ASHINGTON S TATE D EPARTMENT O F T RANSPORTATION

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  1. WASHINGTON STATEDEPARTMENTOF TRANSPORTATION WIRELESS – LAN History & Direction

  2. WIRELESS LAN History • 1996 – 904 Mhz • 1997 – 2.4 Ghz, Olympia Area • 1998 – WSF Phase 1 • 2001 – WSF Phase 2, VOIP • 2002 – “Adjustments “

  3. WSDOT’S FLOATING AREA NETWORK AKA. FLAN

  4. DOT’s 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

  5. DOT’s 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

  6. FLAN COVERAGE AREA

  7. Cisco Ferries Wireless Basic Setup

  8. FERRIES CONNECTIVITY VIA VPN

  9. Current Challenges • Distance & Speed • VOIP • Holding Sessions While Moving • 40 Bit WEP • Encryption • “On The Web” • Users & etc.

  10. SUMMARY • WSDOT Direction For Wireless: • VPN & Encryption • Cisco’s Implementation of Spread Spectrum • 802.11A where possible • Wireless In Buildings/Labs • Increased Bandwidth • Influence WA State Direction

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