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Reactive Discovery of Point-to-Point Routes in Low Power and Lossy Networks

Reactive Discovery of Point-to-Point Routes in Low Power and Lossy Networks. draft-ietf-roll-p2p- rpl M Goyal , E Baccelli, A. Brandt, M. Philipp, J Martocci . R. Cragie. Goal. Extension of the basic RPL spec Alternative, shorter sensor-to-sensor paths

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Reactive Discovery of Point-to-Point Routes in Low Power and Lossy Networks

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  1. Reactive Discovery of Point-to-Point Routes in Low Power and Lossy Networks draft-ietf-roll-p2p-rpl M Goyal, E Baccelli, A. Brandt, M. Philipp, J Martocci. R. Cragie

  2. Goal • Extension of the basic RPL spec • Alternative, shorter sensor-to-sensor paths • Reactive discovery request/reply mechanism R R R S S S D D D DAG Path with basic RPL Path with P2P extension

  3. Functional Overview • DIO + Route discover option • Trickle + link local multicast • Temporary DAG rooted at source • Target sends DRO back to source • Hop-by-hop state or source route path establishment

  4. Drafts Status • draft-ietf-roll-p2p-rpl-05 published this week • Editorial changes since -04 • Last call?

  5. Implementations & Interop • INRIA implementation • MSP430, CC2420, 802.15.4 • Sigma Designs implementation • ZW0401, ZWAVE • Other implementations (on ns2 from UWM, LIX) • Interop happening this week between INRIA and Sigma Designs implementations

  6. Deployment • Senslab Lille testbed • 256 nodes • 2.4 GHz IEEE 802.15.4

  7. Experiments Significant path length reduction Significant traffic reduction near root

  8. Measurement of P2P Route in LLNs draft-ietf-roll-p2p-measurement M Goyal, E Baccelli, A. Brandt, J. Martocci

  9. Functional Overview • Measure quality of existing path • Decide to initiate discover of better path • Origin sends measurement request along path • Request accumulates info along path • Target unicasts back accumulated info • Not requirement (informative ref. in P2P)

  10. Draft Status & Implementation • draft-ietf-roll-p2p-measurement-02 published last month • INRIA implementation • MSP430, CC2420, 802.15.4 • Deployment on Senslab Lille testbed • Ready soon for last call?

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