Mission-critical applications seldom pursued on the public Internet ◦ Authentication◦ “Best efforts” not good enough

Intranets and Extranets instead◦ Match capacity and demand◦ Provide a more secure environment◦ Don’t reach the public at large, though!

5/5/98

Today’s Internet

Hybrid optical and IP network Dynamic and static wavelength services Fiber, equipment dedicated to Internet2;

Level 3 Communications maintains network and service level

Simultaneous support of diverse requirements◦ experimental projects◦ production services

Internet2 Network Characteristics

Initial capacity 10 x previous network◦ 10 wavelengths at 10 Gbps each

Future capacity nearly unlimited◦ 40 Gbps and 100 Gbps wavelength capabilities◦ Unlimited additional wavelengths available

Rapid provisioning of dedicated circuits Flexibly-sized circuit capacity

New Internet2 Network Capacities

INTERNET2 CAPACITY (YEAH, IT’S FAST!!)

56 kbpsISDN DSL/

Cable T1

168 Hours 74 Hours 25 Hours 6.4 Hours

Internet2 6 Seconds

Time Required to Download 2-hour Course Lecture DVD

Changing Teaching and Learning in the 21st Century Classroom

What Internet2 Can Offer :

Real Time Collaboration Immediate Access to Expertise and/or

Audiences Geographical Distribution Authentic Learning Environments High Quality, Real-Time Audio and Video

Interaction => Engagement

A New Networking Model

A New Networking Model

A New Networking Model

An Asset for the Community

Universities

Researchers

Regional Networks

K-12

Industry

International

An Asset for the Community

Universities

Researchers

Regional Networks

K-12

Industry

International

Internet2 Today

Motivate Enable

En

d-to

-end

Perfo

rman

ceNetworks

Middleware

Applications

Services

Secu

rity

Middleware A layer of software between the network

and the applications ◦ Authentication◦ Identification◦ Authorization◦ Directories◦ Security