Grand Challenges

        The Scaling Issues of Internet 1
                load, routing, service levels, last mile issues
        Internet 2
                qos, multicast, policy-based routing
                IPv6, storage architectures
                middleware, applications
        Core technologies
                LEO's, wave division muxing
                compression, security

Internet 2.0a

        Physical Infrastructure
        Logical Infrastructure
        Service and support

I2.0a Physical Infrastructure - The core

        Abilene
        other clouds - Esnet, vBNS, ?
        the core components
                SONET, ADM, manageable fast routers
                Diff-Serv
                bandwidth brokers

I2.0a Physical Infrastructure - The edges

        gold/silver/bronze ports
        overprovisioning the ribs and riblets
        overprovisioning the core
        the campus boundary?????

I2.0a Logical Infrastructure

        authentication and authorization
        adaptive protocols
        advanced applications
        adaptive applications
        QoS allocation processes
                by port/802.1p/IP address
                moderated by network conditions, application, ???

Internet2.1a

        more complex phb
        routing by policy
        net tools to synch apps
        improved rate adaptation
        adequate network management tools

Internet 3.0

        Semi-transparent session layer
        Dynamic monitoring and adaptive resource management
        Automatic intrusion detection
        Intelligent pipes