1. 6LoWPAN Ad Hoc On-Demand Distance Vector Routing (LOAD) Ki-Hyung Kim, S. Daniel Park, G. Montenegro, S. Yoo, and N. Kushalnagar IETF 6LoWPAN WG 65th, Dallas, Tx draft-daniel-6lowpan-load-adhoc-routing-02.txt

2. 2 IETF 6LoWPAN WG 65 th, Dallas24 March 2006 Change Log  Define the route cost by LQI and weak links  Hop counts while avoiding weak links  Several comments  Default value of weak LQI  The necessity of the sequence number to prevent routing loop  Interaction between QoS metric and distance vector routing  Lifetime definition  Link monitoring (route timeout by timers?)  Weak link indicator by LQI  Unidirectional links  RERR for low battery and “route cost not supported” should be avoided

3. 3 IETF 6LoWPAN WG 65 th, Dallas24 March 2006 Prototype Implementation  http://www.6lowpan.org http://www.6lowpan.org  Test bed Implementation  Segmentation and Reassembly  Header compression (Format document)  Gateway between 6lowpan and IPv6 networks  LOAD  Hi-Low

4. 4 IETF 6LoWPAN WG 65 th, Dallas24 March 2006 Overall Architecture of the 6lowpan Testbed

5. 5 IETF 6LoWPAN WG 65 th, Dallas24 March 2006 Protocol stack of 6lowpan router

6. 6 IETF 6LoWPAN WG 65 th, Dallas24 March 2006 Portal for 6lowpan networks

7. 7 IETF 6LoWPAN WG 65 th, Dallas24 March 2006 Socket-based Communication Socket-based client in IPv6 networks

8. 8 IETF 6LoWPAN WG 65 th, Dallas24 March 2006 Summary  Feedback is welcome