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UDLR
• Uni-Directional Link Routing– Working Group in IETF (UDLR-WG)– WIDE Project, INRIA, Huge and others
• Routing Issues for Network with Uni-Directional Link
Uni-Directonal Link
• Feasible Model for Network with Satellite and Terrestrial Link– Many Receivers and Few Feeder– Satellite Downlink, Terrestrial Uplink
Routing and UDL
• Current Routing Technology– No assumption for Network with UDL
UDLR Technology
• Using Current Dynamic Routing Protocol on Network with UDL– Setting Vritual Return Channel by Tunneling– Dynamic Tunnel Configuration
Implementation
• WIDE Project’s Implementaions– KEIO University– Sony
Interoperability Test
• Between 2 WIDE Implementations