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DYMO Implementation in OPNET Simulator

2005-08-04IETF 63 - Parismanet . DYMO Implementation in OPNET. OPNET 11.0 draft-ietf-manet-dymo-01was implemented exceptSec 4.8 - Internet Attachment Sec 4.9 Multiple InterfacesHello Messages (As explained in AODV)IPv4

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DYMO Implementation in OPNET Simulator

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    1. 2005-08-04 IETF 63 - Paris manet DYMO Implementation in OPNET Simulator Koojana Kuladintihi, Carmelita Grg {koo|cg}@comnets.uni-bremen.de

    2. 2005-08-04 IETF 63 - Paris manet DYMO Implementation in OPNET OPNET 11.0 draft-ietf-manet-dymo-01 was implemented except Sec 4.8 - Internet Attachment Sec 4.9 Multiple Interfaces Hello Messages (As explained in AODV) IPv4 & IPv6 Testing IPv4 Stationary Networks up to 50 nodes Mobile Networks in a small network of 5 nodes Overview to the results of stationary network

    3. 2005-08-04 IETF 63 - Paris manet Scenario 1: FTP Downloads in a Stationary Network

    4. 2005-08-04 IETF 63 - Paris manet Route Discovery Latency

    5. 2005-08-04 IETF 63 - Paris manet FTP Download Response Time (Sec)

    6. 2005-08-04 IETF 63 - Paris manet Total Load in bps (Link Layer)

    7. 2005-08-04 IETF 63 - Paris manet Scenario 2: 50-node Stationary Network

    8. 2005-08-04 IETF 63 - Paris manet Route Discovery (Sec) & Num. of RREQ packets sent

    9. 2005-08-04 IETF 63 - Paris manet Delay in WLAN

    10. 2005-08-04 IETF 63 - Paris manet Routing Traffic Sent

    11. 2005-08-04 IETF 63 - Paris manet Observations Path Accumulation in DYMO (Attachment of ReBlocks ) Improve the performance by reducing the route discoveries when intermediate nodes want to send data (Scenario 1) This performance is no longer valid, if intermediate nodes start the route discoveries after the lifetime of the route discovery, i.e 3 sec (Scenario 2) Solution? Send a separate RE message to extend the path lifetime (10 sec, 100Sec, ?) after the successful route discovery or Lifetime of routes during the route discovery could be increased

    12. 2005-08-04 IETF 63 - Paris manet Observations Flooding to Net-Diameter (TTL=10) in DYMO Performance is better in smaller networks (Scenario1) For larger networks, this will increase more routing traffic overhead. (Scenario 3) Solution? Adapting a mechanism like ERS

    13. 2005-08-04 IETF 63 - Paris manet Back up Slides

    14. 2005-08-04 IETF 63 - Paris manet Scenario 2: Video Conferencing in a Static Network

    15. 2005-08-04 IETF 63 - Paris manet Avg. End-to-End Delay & Route Discovery

    16. 2005-08-04 IETF 63 - Paris manet Average End-to-End Delay

    17. 2005-08-04 IETF 63 - Paris manet Mobility Scenario

    18. 2005-08-04 IETF 63 - Paris manet Total Route Errors Sent

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