Network Evolution in Virginia Leslie Carter, Department of Information Technology Patricia Jackson, Virginia Tech.

Network Evolution in Virginia

Leslie Carter, Department of Information Technology

Patricia Jackson, Virginia Tech

Research andDevelopment

Commercialization

Partnerships

Privatization

Network Development - 1990

VERNET

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

Private Line NetworkPrivate Line NetworkRedundant private linesRedundant private lines

Hotsite switchingHotsite switching400 lines or 900 locations400 lines or 900 locations

LATA 236

LATA 246

LATA 929

LATA 928

LATA 252LATA 248LATA 250LATA 956LATA 244

LATA 244

LATA927

CommonwealthCommonwealthTelecommunicationsTelecommunicationsNetwork (CTN)Network (CTN)19921992

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

Research andDevelopment

Commercialization

Partnerships

Privatization

Network Development - 1994

Today’s Internet

VERNET

Net.Work.VirginiaNet.Work.Virginia

State Services via Sprint

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

Frame RelayFrame Relay1300 locations

LATA 236

LATA 246

LATA 929

LATA 928

LATA 252LATA 248LATA 250LATA 956LATA 244

LATA 244

LATA927

CTNCTNFrame RelayFrame Relay1994- 19951994- 1995 Internet

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

NetworkNetworkVirginiaVirginia ATM Network Government and education sites

ESnet

vBNS

SprintLink

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

Research andDevelopment

Commercialization

Partnerships

Privatization

Network Development - 1999

Today’s Internet

Internet2

Net.Work.Virginia <-> CTN

VirginiaLink

COVANET

Planning for Next Generation

Network – Internet2

Infrastructure

Net.Work.Virginia - 2000

NetworkNetworkVirginiaVirginia

650+ sites

Internet2

ESnet

SprintLink

ATM•Available Statewide•DS1, DS3, OC3•Supports Data, Video, and Voice•Supports SVCs•Flat Rate

CTN

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

Network Development - 2000

NetworkNetworkVirginiaVirginia – I2 Architecture

Internet2

ESnet

SprintLink

IP•Available Statewide•Supports Data, Video, and Voice – H.323•Supports QoS•Available 3rd Qtr, 2000•Flat Rate

•Distance Insensitive•Usage Insensitive

NIHNLM

COVANETOther ISPs

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 Strengthen partnership between research and

operationsoperations