delay/disruption-tolerant networking architecture & applications
DESCRIPTION
Delay/Disruption-Tolerant Networking Architecture & Applications. Kevin Fall w/help from A. Maffei Intel Research, Berkeley & WHOI [email protected] http://WWW.DTNRG.ORG. Oceanographic Scenario [A. Maffei/WHOI]. - PowerPoint PPT PresentationTRANSCRIPT
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Berkeley
Delay/Disruption-Tolerant Delay/Disruption-Tolerant NetworkingNetworking
Architecture & ApplicationsArchitecture & ApplicationsKevin Fall Kevin Fall w/help fromw/help from A. Maffei A. Maffei
Intel Research, Berkeley Intel Research, Berkeley && WHOI [email protected]@intel.com
http://WWW.DTNRG.ORGhttp://WWW.DTNRG.ORG
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Oceanographic Scenario Oceanographic Scenario [A. Maffei/WHOI][A. Maffei/WHOI]
• Imagine you are an oceanographer interested in undersea earthquakes. You have deployed instrument clusters of acoustic, chemical, seismic, etc. sensors with acoustic modems attached to them.
• Autonomous Underwater Vehicles (AUVs) gather data from the instruments on a regular basis. Sometimes you make special requests to gather data from specific instruments, for example after an underwater earthquake occurs.
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Scientist Interactions with Scientist Interactions with Instrument PlatformsInstrument Platforms
• As an oceanographer you don’t concern yourself about which data communications assets are used to deliver commands to instruments or how data is delivered back to you.
• For example, a dtn_file_copy or dtn_traceroute command might be issued from your workstation command line indicating a DTN region and an oceanographic instrument name inside that region.
• The command might complete 3 weeks later when email arrives telling you that the data has arrived or displaying a report showing the communications path and sample round-trip latency to the instrument(s) you are interested in.
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Potential Oceanographic DTN Potential Oceanographic DTN Regions Regions
• First the platforms of interest
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55 Berkeley
PlatformsPlatforms
NASA – AVIRIS NASA – AVIRIS
REMUS AUVREMUS AUV
SLOCUM GLIDERSLOCUM GLIDER
CODAR BUOYCODAR BUOY
R/V ENDEAVORR/V ENDEAVOR
ORBCOMM LEOORBCOMM LEO
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INSTRUMENT
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SCIENTIST WS
DIESEL PWR’D BUOY
SOLAR BUOY
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Potential Oceanographic DTN Potential Oceanographic DTN Regions Regions
• First the platforms of interest• Next some Oceanographic DTN regions that
could be developed.
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INSTRUMENT
INSTRUMENT
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INSTRUMENT
SCIENTIST WS
DIESEL PWR’D BUOY
SOLAR BUOY
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Oceanographic DTN Regions
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Oceanographic DTN Regions
Global Internet Region
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SUBMARINE CABLE
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Oceanographic DTN Regions
Global Internet RegionUnderwater Acoustic Modem Region
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INTERNET
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SUBMARINE CABLE
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Oceanographic DTN Regions
Global Internet RegionUnderwater Acoustic Modem RegionShip/Buoy/Port SWAP Region
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Oceanographic DTN Regions
Global Internet RegionUnderwater Acoustic Modem RegionShip/Buoy/Port SWAP RegionOceanographic Iridium Region
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Oceanographic DTN Regions
Global Internet RegionUnderwater Acoustic Modem RegionShip/Buoy/Port SWAP RegionOceanographic Iridium RegionShip/Large Buoy INMARSAT Region
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Potential Oceanographic DTN Potential Oceanographic DTN Regions Regions
• First the platforms of interest• Next some Oceanographic DTN regions that
could be developed.• A short animation
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Elapsed Time: 0 hours
Multicast DTN command sentto Instrument-1, Instrument-2,and Instrument-3
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Elapsed Time: 0 hours
Multicast DTN command sentto Instrument-1, Instrument-2,and Instrument-3
BUNDLE WITHDTN COMMAND
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Elapsed Time: 10 milliseconds
Bundle containing commandenters Iridium Region and is delivered to AUV
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Elapsed Time: 5 minutes
Bundle containing commandenters Iridium Region and is delivered to AUV
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Elapsed Time: 14 hours
Bundle containing commandenters Iridium Region and is delivered to AUV
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AUV DOCK
DIESEL PWR’D BUOY
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SUBMARINE CABLE
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Elapsed Time: 1.5 days
DTN Command Bundle sentand new bundle containingfiles returned to AUV
AUV
UAM
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Elapsed Time: 3 days
DTN Command Bundle sentand new bundle containingfiles returned to AUV
AU
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Elapsed Time: 4 days
DTN Command Bundle sentand new bundle containingfiles returned to AUV
AUV
UAM
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Elapsed Time: 5 days
AUV Docks with dockingstation and delivers high prioritybundles via INMARSAT
AUV
UAM
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SUBMARINE CABLE
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Elapsed Time: 5 days +
AUV Docks with dockingstation and delivers high prioritybundles via INMARSAT
AUV
UAM
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Elapsed Time: 5 days +
AUV Docks with dockingstation and delivers high prioritybundles via INMARSAT
AUV
UAM
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Elapsed Time: 2 weeks
A tanker comes by the bigbuoy and offloads bulk datathat is not so critical
AUV
UAM
Ship of Opportunity
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Elapsed Time: 2 weeks
A tanker comes by the bigbuoy and offloads bulk datathat is not so critical
AUV
UAM
Ship of Opportunity
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Elapsed Time: 2 weeks
The tanker offloads the bulkdata
AUV
UAM
Ship of Opportunity
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Elapsed Time: 2 weeks, 1 day
A tanker comes by the bigbuoy and offloads bulk datathat is not so critical
AUV
UAM
Ship of Opportunity
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Elapsed Time: 2 weeks, 1 day
A tanker comes by the bigbuoy and offloads bulk datathat is not so critical
AUV
UAM
Ship of Opportunity
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Elapsed Time: 2 weeks, 1 day
A tanker comes by the bigbuoy and offloads bulk datathat is not so critical
AUV
UAM
Ship of Opportunity