200 likes | 338 Views
Network Evolution in Virginia. Leslie Carter, Department of Information Technology Patricia Jackson, Virginia Tech. Network Development - 1990. Commercialization. Privatization. VERNET. Research and. Partnerships. Development. 1990. Establishment of VERNET
E N D
Network Evolution in Virginia Leslie Carter, Department of Information Technology Patricia Jackson, Virginia Tech
Network Development - 1990 Commercialization Privatization VERNET Research and Partnerships Development
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
LATA929 LATA 236 LATA 246 LATA 928 LATA 244 LATA 244 LATA 252 LATA 250 LATA 248 LATA 956 Commonwealth Telecommunications Network (CTN) 1992 LATA927 Private Line Network Redundant private lines Hotsite switching 400 lines or 900 locations
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 Partnerships Development
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
LATA929 LATA 236 LATA 246 LATA 928 LATA 244 LATA 244 LATA 252 LATA 250 LATA 248 LATA 956 CTN Frame Relay 1994- 1995 Internet LATA927 Frame Relay 1300 locations
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
Network Virginia ATM Network Government and education sites vBNS ESnet SprintLink Net.Work.Virginia Infrastructure • ATM Backbone • Available Statewide • DS1, DS3, OC3 • Supports Data, • Video, and Voice • Flat Rate • Distance Insensitive • Usage Insensitive • Autoscales • Infrastructure Owned by Private Sector • Vision Alliance (led by Bell Atlantic) • Sprint
1996-1997 • 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’sInternet COVANET Net.Work.Virginia <-> CTN Planning for Next Generation Network – Internet2 Infrastructure Internet2 Research and Partnerships Development
Internet2 Network Virginia 650+ sites ESnet CTN SprintLink Net.Work.Virginia - 2000 • ATM • Available Statewide • DS1, DS3, OC3 • Supports Data, • Video, and Voice • Supports SVCs • Flat Rate • Stress Factors • Move to H.323 for video, voice • Demand for MUCH higher bandwidth
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
Internet2 Network Virginia – I2 Architecture COVANET Other ISPs ESnet NIH NLM SprintLink Network Development - 2000 • IP • Available Statewide • Supports Data, • Video, and Voice – H.323 • Supports QoS • Available 3rd Qtr, 2000 • Flat Rate • Distance Insensitive • Usage Insensitive
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