1998/10/08 KEIO University, JAPAN Mikiyo Nishida/[email protected].

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UDLR 1998/10/08 KEIO University, JAPAN Mikiyo Nishida/[email protected]. ad.jp

Transcript of 1998/10/08 KEIO University, JAPAN Mikiyo Nishida/[email protected].

Page 1: 1998/10/08 KEIO University, JAPAN Mikiyo Nishida/west@sfc.wide.ad.jp.

UDLR

1998/10/08KEIO University, JAPAN

Mikiyo Nishida/[email protected]

Page 2: 1998/10/08 KEIO University, JAPAN Mikiyo Nishida/west@sfc.wide.ad.jp.

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

Page 3: 1998/10/08 KEIO University, JAPAN Mikiyo Nishida/west@sfc.wide.ad.jp.

Uni-Directonal Link

• Feasible Model for Network with Satellite and Terrestrial Link– Many Receivers and Few Feeder– Satellite Downlink, Terrestrial Uplink

Page 4: 1998/10/08 KEIO University, JAPAN Mikiyo Nishida/west@sfc.wide.ad.jp.

Routing and UDL

• Current Routing Technology– No assumption for Network with UDL

Page 5: 1998/10/08 KEIO University, JAPAN Mikiyo Nishida/west@sfc.wide.ad.jp.

UDLR Technology

• Using Current Dynamic Routing Protocol on Network with UDL– Setting Vritual Return Channel by Tunneling– Dynamic Tunnel Configuration

Page 6: 1998/10/08 KEIO University, JAPAN Mikiyo Nishida/west@sfc.wide.ad.jp.

Implementation

• WIDE Project’s Implementaions– KEIO University– Sony

Page 7: 1998/10/08 KEIO University, JAPAN Mikiyo Nishida/west@sfc.wide.ad.jp.

Interoperability Test

• Between 2 WIDE Implementations