Feb 22nd 2002 Infrastructure requirements for distance education Keiko Okawa WIDE Project

Pacific Rim Networking – February 22 nd, 2002 Agenda WIDE distance education activity as a sample Todays difficulties Requirements for Network

Pacific Rim Networking – February 22 nd, 2002 WIDE SOI School of Internet Working Group in WIDE Project since 1997 Mission –Share and preserve the valuable educational resources on the Internet –Technology Deployment In between researchers and users. demonstrate the social value of the technology. –Internet Deployment Internet, as a vehicle of Global Educational Environment. Implement it wherever needed.

Pacific Rim Networking – February 22 nd, 2002 SOI Current Activities SOI Class –Supporting the remote participation to the educational activities from anywhere, anytime. SOI Global Classroom –Expanding the classroom all over the world SOI Global Studio –Shared facility among educational institutes for inviting guest speakers SOI ASIA –SOI Global Classroom in Asia

Pacific Rim Networking – February 22 nd, 2002 SOI Class Systems –SOI for individual learners –SOI remote participation class –on-demand clas –multimedia learning resource –Assignment System –Course Survey System –Transcript System –Copyright System –SOI CA and My SOI –Faculty Support Technology –Web and database –Streaming –Multimedia Synchronization –Digital Signature and Certificate authority

Pacific Rim Networking – February 22 nd, 2002 SOI Class What –1112 hours of IT related lectures. –43 courses by 20 universities –83 special lectures and tutorials.

Pacific Rim Networking – February 22 nd, 2002 SOI Global Classroom Global class –Joint class Students in Multiple sites Teachers in Multiple sites –Shared class Students in Multiple sites –Remote lecture Teachers in remote site Technology –IPv6 –Multicast –DVTS (Digital Video over IP) –High speed Internet infrastructure (JGN, Internet 2 etc) –Remote presentation tools

Pacific Rim Networking – February 22 nd, 2002 SOI Asia Mission –Human resource development in Asia with SOI Global Class using SOI educational resource. Challenge –Deployment of Internet, Internet culture and learning environment with Internet Technology –Satellite Internet over C-band (AI3) –RO satellite and UDLR technology (UDLR) –Multicast technology –Multicast streaming –IPv6

Pacific Rim Networking – February 22 nd, 2002 Daily activities Domestic multipoint shared classes 3 times / week –bi-directional DVTS/IPv6/Multicast International multipoint shared classes weekly –Japan and US –Japan and Asian countries

Pacific Rim Networking – February 22 nd, 2002 The Internet Learn through your local mirror server Giving Lectures From Japanese Universities Taking Lectures at Your Institutions LAN SOI Mirror Server SOI Asia

Pacific Rim Networking – February 22 nd, 2002 IF Coaxial Cable UDLR Receiver LAN JCSAT-3 C-Band C-7 transponder L-Band ( MHz) Terrestrial Internet AC power supply SOI Server Provided by SOI Asia Project Prepared by Institution SOI Asia Site Configuration SOI Clients Receive Router Campus LAN

Pacific Rim Networking – February 22 nd, 2002 Site Setup Status Myanmar ThailandLaos

Pacific Rim Networking – February 22 nd, 2002 Remote Lecture 3 San Diego Super Computer Center 3 universities in Japan NAIST U-Tokyo SFC

Pacific Rim Networking – February 22 nd, 2002 SOI Global Studio Sessions Alto, CA KEIO University, SFC

Pacific Rim Networking – February 22 nd, 2002 Todays difficulties Unknown end-to-end throughput –For design phase –Daily condition –Assured ? Multicast problems –Equipments are not fully ready –High bandwidth is not fully supported –Global operation is not ready IPv6 tunneling problems –Routing in the tunnel is unknown Information about the Network problems –Where to contact ? –How serious ? –Timezone differences makes it harder Schedule Conflicting –Shared mechanism of limited resources

Pacific Rim Networking – February 22 nd, 2002 Requirements Native IPv6 Ready –Capable constant bi-directional high bandwidth traffic Multicast Ready –Stable equipments –Global Operation –High bandwidth End-to-End Global stable operation –throughput estimation –Trouble estimation and shooting –Information Sharing Information Sharing among group –to support growing classes –global scheduling –reservation mechanism

Pacific Rim Networking – February 22 nd, 2002 Thank you