IoT Workshop RPL Tutorial April 2011 - Internet Architecture Board

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Simulation Results Path Cost stretch using ETX as metric (specifically for building: 60% 1-hop, 20% 2-hop, 20% uniformly distributed). Copyright © 2009 Cisco Systems, Inc. All rights reserved. 89
Simulation Results – Routing Stability Number of parents flipping Fraction of path change Number of flipping of parents 120 100 80 60 40 20 Comparison of Parent flipping at different tolerance of metric distance change CDF in %age 100 90 80 70 60 50 40 30 Fractional Metric distances 0% Tolerance stretch for different tolerance 10% Tolerance 20% Tolerance 0% Tolerance 10% Tolerance 20% Tolerance 20 0 0 5 10 10 15 20 25 Average depth of a node 0 0 0.05 0.1 0.15 0.2 0.25 0.3 Fractional Metric Distance Stretch Path Cost Stretch Copyright © 2009 Cisco Systems, Inc. All rights reserved. 90
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IoT Workshop RPL Tutorial April 201
Page 3 and 4:
Routing Technical challenges in LLN
Page 5 and 6: Lossy links are not just LP wireles
Page 7 and 8: IETF - Routing Protocols Long histo
Page 9 and 10: Routing Over Low power and Lossy Li
Page 11 and 12: Specific Routing Requirements Deli
Page 13 and 14: Slide from IETF-72 Copyright © 200
Page 15 and 16: IETF ROLL WG Consensus Several rou
Page 17 and 18: Protocol Design Choices Difficult
Page 19 and 20: RPL Message Types RPL Control mess
Page 21 and 22: Physical Network 3 LBR 1.5 1.3 Step
Page 23 and 24: RPL Option DODAG Configuration Opti
Page 25 and 26: Routing Metrics used by RPL Copyrig
Page 27 and 28: Routing Metrics in LLNs Specified i
Page 29 and 30: Mode of Operation Parent selection
Page 31 and 32: Mode of Operation (Cont) A node sh
Page 33 and 34: Trickle at works … RPL Traffic Wa
Page 35 and 36: Operation as a leaf node As with m
Page 37 and 38: Storing Versus Non-Storing Mode RP
Page 39 and 40: The RPL DAO Message ++ each time a
Page 41 and 42: Populating the routing tables using
Page 43 and 44: Loops in DODAG: detection and repai
Page 45 and 46: Loop Detection Idea: add flags to
Page 47 and 48: DODAG Maintenance and Repairs Copyr
Page 49 and 50: Step 0 Root Step 2 11 12 13 11 12 1
Page 51 and 52: Step 0 Root Repair diameter: all no
Page 53 and 54: Forwarding Two related drafts (Pass
Page 55: Simulation Results Based on Omnet+
Page 59 and 60: Is RPL Ready for “prime time” ?
Page 61 and 62: Potential Future items Applicabili
Page 63: Cisco Confidential Copyright © 200
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