Transcript VPN communication network presentation to the South

Virtual Private Network (VPN)
Its Place in a Lottery’s
Communication Portfolio
Leslie Vang, Deputy Director IT, SCEL
Communication Technologies
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Dialup POTS
DDS – Digital Data Service
Dialup VPN – Virtual Private Network
DSL VPN – Digital Subscriber Line
DSL Wireless Modems
Timeline
Network January 7, 2002
• Total network consists of approx:
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>2200 dial-up
0 dedicated digital circuits
0 Dial up VPN
0 DSL VPN
0 DSL
0 Wireless
VPN
• Faster to install
• Faster line, higher bandwidth
• Multiple Sources in SC
– Local Exchange Carrier
– Internet Service Provider
• Inside Wiring Cost
What is a Virtual Private Network?
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Commercial communication network
Utilizes the Internet as its backbone
HW & SW create “private tunnel”
Isolate our traffic from general Internet
traffic through encryption
• Communication only between nodes in
SCEL network
VPN Benefits
• Rapid and Easy Deployment to Retailers
• Secure point-to-point communication
• Reliable
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Route diversification
Virtual Private
Networking
Redundancy into Data Centers
Terminals connect through Multiple ISPs
Self Healing via lower baud rate or reconnection
• IP family of protocols supports other services
• Cost Effective, Available Statewide
Network March 7, 2002
• Total network consists of approx:
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958 Dial-up POTS
842 dedicated digital circuits
1810 Dial-up VPN connections
0 DSL
3 Wireless Events
VPN managed by BellSouth
• approximately 60% of VPN connections provided by
BellSouth
• approximately 40% of VPN connections provided by
independent LECs and ISPs.
Network Future 2003
• Total network consists of approx:
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279 Dial-up POTS
739 Dedicated digital circuits
1114 Dial-up and DSL VPN connections
1300 DSL connections
9 Wireless Events
SCEL Portfolio Future
• Track costs, problems - understand trends
• Implement communication with best
technology fit and least cost
• Monitor portfolio, adjust technology as we
see fit
• Keep on the lookout for new technologies
with lower cost and low maintenance