disconnected, non end-to-end networks
DESCRIPTION
Disconnected, Non end-to-end networks. Presented by: Khaled Harras. So what happens when both wired and wireless communication break down?!. Connected end-to-end ad hoc networks. B. A. A. B. Wireless Ad Hoc Networks. Disconnected ad hoc networks. Epidemic Routing. - PowerPoint PPT PresentationTRANSCRIPT
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Disconnected, Non end-to-end networks
Presented by: Khaled Harras
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So what happens when both wired and wireless communication break down?!
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Wireless Ad Hoc Networks
• Connected end-to-end ad hoc networks
A
B
A
B
• Disconnected ad hoc networks
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Epidemic Routing
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The rise of the Interplanetary Internet….!
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Similar Problems,Common Solutions
Fiber Satellites
Cable
Mobile/Wireless
WDM
Nomadic
Terabit communications
low delay
Self-organizing
FTP/TCP/IP
Short-haul communications
TerrestrialInternetStandards
Opportunity for leverage
S-band X-bandKa-band
LEOConstellations
MarsNetwork
Deep-spaceOptical
Megabit communications
high delay
Long-hau
l com
munic
atio
ns
SpaceInternetStandards
File-basedOperations InterPlaNetary
InternetArchitecture
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So where is the problem??...
….Only when planets come in the way!
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New, expandable architecture…
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NetworkIP
NetworkIP
Phys 1
Link 1 Link 1
Phys 1 Phys 2
Link 2
Internet: a Network of Connected Sub-Networks
Phys 2
Link 2
Phys 3
Link 3
App
App
App App
App
App
NetworkIP
TransportTCP
NetworkIP
TransportTCP
Phys 3
Link 3
Subnet 1 Subnet 2 Subnet 3
TCP/IP: Interconnected Networks
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Network of internets spanning dissimilar environments
Bundle
App
App
App App
App
App
Bundle Bundle
Phys 1
Transport a
Network a
Link 1 Link 1
Phys 1 Phys 2
Link 2
Network a
Phys 3
Link 3
Network b
Transport b
Phys 2
Link 2
Network a
Transport a
Phys 3
Link 3
Network b
Transport b
Internet A Internet B
Bundles: Interconnected Internets
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Is all this “way out there”??!!
Are there other applications??
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YES!!.... Extreme challenged networks.
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The rise of Delay Tolerant Networks (DTNs)…..
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“Regions” instead of “Internets” in DTNs
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Persistent Storage and Custody Transfer
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There are even more down-to-earth (literally!) applications….