Transcript Virginia - EDUCAUSE.edu

Network Evolution in Virginia
Leslie Carter, Department of
Information Technology
Patricia Jackson, Virginia Tech
Network Development - 1990
Commercialization
Privatization
VERNET
Research and
Development
Partnerships
1990
• Establishment of VERNET
– Colleges and universities – public and private
– Research sites
– Limited participation by Virginia Community College
System
– Strict acceptable use policy
• Plans begin for Blacksburg Electronic Village
• Disconnected from State Government Services
1992
• VERNET users expanding
– Community colleges
– K-12 schools
– Private labs, e.g., Newport News Shipbuilding,
Reynolds Metals
• Blacksburg Electronic Village
– Partnership with community, Bell Atlantic
– Citizen access to Internet
1992
• Data Private Line Networks for State
Agencies
• Voice on Centrex or Analog PBX
• Long Distance Statewide Virtual Private
Network (VPN) Established
• Very little wireless or mobile telephone
• One-way video via satellite
Commonwealth
Telecommunications
Network (CTN)
1992
LATA927
LATA 244
LATA 244
LATA 956
LATA 250
LATA 929
LATA 236
LATA 246
LATA 928
LATA 248
Private Line Network
Redundant private lines
Hotsite switching
400 lines or 900 locations
LATA 252
1993-1994
• Virginia Adopts Statewide Strategic Plan
– Merger of voice, data and video services
– ATM infrastructure to be built and owned by the private
sector
• Virginia Community College System contracts
with Virginia Tech to plan major network upgrade
– Statewide coverage – 39 sites
– Equality of access
Network Development - 1994
Commercialization
Privatization
State Services via Sprint
Today’s Internet
VERNET
Net.Work.Virginia
Research and
Development
Partnerships
1994-1995
• Establishment and Rapid expansion of
statewide Frame Relay Network
• Cost of satellite time increasing
• Beginning of Internet at State agencies
• Voice still using Centrex & PBX & VPN
• Wireless voice growing with state agencies
CTN
Frame Relay
1994- 1995
LATA 929
LATA927
LATA 244
LATA 244
LATA 956
LATA 236
LATA 246
Internet
LATA 928
LATA 250
Frame Relay
1300 locations
LATA 248
LATA 252
1995-1996
• Virginia Tech, Virginia Community College
System and Old Dominion University
partner to negotiate for Net.Work.Virginia
– High-bandwidth support for voice, data and
video
– Statewide access
– Level pricing
Net.Work.Virginia Infrastructure
ATM Backbone
•Available Statewide
•DS1, DS3, OC3
•Supports Data,
Video, and Voice
•Flat Rate
Network
Virginia
ATM Network
Government and
education sites
vBNS
•Distance Insensitive
•Usage Insensitive
•Autoscales
•Infrastructure Owned by Private Sector
•Vision Alliance (led by Bell Atlantic)
•Sprint
ESnet
SprintLink
1996-1997
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Frame Relay continued growth
Internet demand continues
Local Service Competition Begins
Wireless voice service demand escalates
Video service demand escalates
1998
• DIT & Va Tech sign MOA to jointly manage
Net.Work.Virginia
• DIT issues RFP for COVANET
• Council on Technology Services established
• Statewide digital and analog wireless contracts
• Virginia Tech Wireless project (LMDS)
• Virginia Tech deploys open SVCs for ATM video
on Net.Work.Virginia
Network Development - 1999
Commercialization
Privatization
VirginiaLink
Today’s Internet
COVANET
Net.Work.Virginia <-> CTN
Research and
Development
Planning for
Next Generation
Network –
Internet2
Infrastructure
Internet2
Partnerships
Net.Work.Virginia - 2000
ATM
•Available Statewide
•DS1, DS3, OC3
•Supports Data,
Video, and Voice
•Supports SVCs
•Flat Rate
Network
Virginia
Internet2
650+ sites
ESnet
CTN
Stress Factors
•Move to H.323 for video, voice
•Demand for MUCH higher bandwidth
SprintLink
2000
• COVANET - frame relay, ATM and other
high speed services
• Establishment of COTS Voice over IP
Workgroup with pilot projects
• Pilot project for digital signatures
Network Development - 2000
Internet2
Network
Virginia – I2
IP
•Available Statewide
•Supports Data,
Video, and Voice – H.323
•Supports QoS
•Available 3rd Qtr, 2000
•Flat Rate
•Distance Insensitive
•Usage Insensitive
COVANET
Other ISPs
Architecture
ESnet
NIH
NLM
SprintLink
Network Development - 2000
• More bandwidth –
– Gigabit scale backbone network
– More than 16 times the capacity of the current backbone
• Advanced IP services
– IP-based Quality of Service (for video, voice over IP)
– Native multicast
• More expansive acceptable use policy
– Requirement for extending access to I2 to K-12, etc.
Future 2001 - 2003
• Enhance statewide high speed infrastructure
merging voice, data and video
• Compete all local telephone services
• Increased bandwidth facilities to all private and
public entities in VA
• Wireless voice & data expansion for mobile
workforce
• Digital Signatures for e-commerce
• Strengthen partnership between research and
operations