Research Groups

• DARPA FTN (Fault Tolerant Networks)
• IETF PPVPN (Provider Provisioned Virtual Private Networks)
• PlanetLab - Global-scale scalability testbed of overlay nodes
• Netbed/Emulab - Integrated experiment environment of simulation /emulation /testbeds for wide-area network

Overlays for new protocol testbed

• Mbone - IP multicast backbone
  • Introduction to the MBone
  • IETF MBONE deployment
  • Visualizing the global topology of the MBone
  • MBone software archives
• 6-Bone (IPv6) - IPv6 testbed
  • 6BONE registry
• A-Bone (Active Nets) - Virtual testbed for the active networks

Automated Overlays

• Multi-layer approaches
  • MorphNet (Argonne National Lab - ANL) - Architecture for concurrent, multi-layer views of the heterogeneous infrastructure
  • Supranet (CRATOS- Domenico Ferrari) - Multilayer optimizations /QoS support for overlay deployment
  • VAN (Columbia Univ.) - Application middleware architecture supporting the needs of multi-edged network computing through abstraction
• IP layer approaches
  • VON (Cornell) - Dynamic Virtual Private Networks; IP layer complete overlay deployment /QoS requiring OS modification
  • VNS (CMU) - Component of DARWIN/Partial deployment - backbone overlay/QoS requiring OS modification
  • Detour (Univ. Washington) - Fault tolerant virtual Internet /Partial deployment - backbone overlay
  • RON (MIT) - Fault tolerant networking improving robustness and performance of Internet /Partial automation
• ATM layer approaches
  • GUILN (USC/ISI) - Network management tool for ATM network (originally developed for CAIRN testbed)
  • Switchlets (Univ. Cambridge) - Virtual network management to control resources
  • TINA - Consortium for tomorrow's telecom services by two major separations; separation between applications and the environment, separation of applications into the service-specific part and the generic management and control part

Other Work

• Active Networks
  • Active Networks (MIT) - Deploy customized programs into the network nodes
  • NetScript (Columbia Univ.) - Programmable Network language and environment using mobile agent
  • Genesis (Columbia Univ.) - A virtual network operating system enabling spawning networks architecture
  • SwitchWare (UPenn & Bellcore) - Comprehensive approaches in active network (management, language, bridge, etc.)
  • ANCORS (SRI) - Deployment and management of future networks; control adaptability to optimize performance and stability for robust communication
• Application Networks
  • Adaptive Web Caching (UCLA & LBNL) - Design and implement protocols for a self-configuring, highly adaptive Web caching system
• Multiprotocol Label Switching - MPLS (IETF)
• Darwin (CMU) - Resource management for multi-party communication, network-aware applications
• Metanet (MIT) - A network which builds coherent user level semantics from a regionalized infrastructure and qualitatively heterogeneous communication technologies

Related Software

• Tunneling software for FreeBSD
  • Mbone tunnels
  • IPsec
  • IP-in-IP (RFC1853, Related : RFC1241)
  • Ipv6 Ports
  • dummynet
  • kernel devices
    • /dev/tun0 (Example)
    • divert sockets
    • ipfw (firewall)
    • ip-tun
• Others
  • vpnstarter