network experiment programming interface (nepi) · i linux network namespaces x planète (inria)...
TRANSCRIPT
![Page 1: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/1.jpg)
Network ExperimentProgramming Interface
(NEPI)Alina Quereilhac Martin H. Ferrari
Thierry Turletti Walid DabbousMathieu Lacage
Planète (INRIA) NEPI GEC9 1 / 15
![Page 2: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/2.jpg)
Objective Scenario
Simulated links/networksI ns-3 simulation models XI Realtime scheduler XI Tap device X
Light weight Virtual MachinesI Linux Network Namespaces X
Planète (INRIA) NEPI GEC9 2 / 15
![Page 3: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/3.jpg)
Objective Scenario
Simulated links/networksI ns-3 simulation models XI Realtime scheduler XI Tap device X
Light weight Virtual MachinesI Linux Network Namespaces X
Planète (INRIA) NEPI GEC9 2 / 15
![Page 4: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/4.jpg)
Objective Scenario
VLCServer
RouterWifiAP
WifiSTA
Router
VLCClient
Simulated links/networksI ns-3 simulation models XI Realtime scheduler XI Tap device X
Light weight Virtual MachinesI Linux Network Namespaces X
Planète (INRIA) NEPI GEC9 2 / 15
![Page 5: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/5.jpg)
Objective Scenario
VLCServer
RouterWifiAP
WifiSTA
Router
VLCClient
Simulated links/networksI ns-3 simulation models XI Realtime scheduler XI Tap device X
Light weight Virtual MachinesI Linux Network Namespaces X
Planète (INRIA) NEPI GEC9 2 / 15
![Page 6: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/6.jpg)
Easy Deployment
ProblemI Tap/VM creation and setupI Coherent IP address assignment across
simulation and VMsI Coherent IP forwarding tables across
simulation and VMsSolution
I Automate everythingBUT
I Need global view of experiment topology
Planète (INRIA) NEPI GEC9 3 / 15
![Page 7: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/7.jpg)
Easy DeploymentProblem
I Tap/VM creation and setup
I Coherent IP address assignment acrosssimulation and VMs
I Coherent IP forwarding tables acrosssimulation and VMs
SolutionI Automate everything
BUTI Need global view of experiment topology
Planète (INRIA) NEPI GEC9 3 / 15
![Page 8: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/8.jpg)
Easy DeploymentProblem
I Tap/VM creation and setupI Coherent IP address assignment across
simulation and VMs
I Coherent IP forwarding tables acrosssimulation and VMs
SolutionI Automate everything
BUTI Need global view of experiment topology
Planète (INRIA) NEPI GEC9 3 / 15
![Page 9: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/9.jpg)
Easy DeploymentProblem
I Tap/VM creation and setupI Coherent IP address assignment across
simulation and VMsI Coherent IP forwarding tables across
simulation and VMs
SolutionI Automate everything
BUTI Need global view of experiment topology
Planète (INRIA) NEPI GEC9 3 / 15
![Page 10: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/10.jpg)
Easy DeploymentProblem
I Tap/VM creation and setupI Coherent IP address assignment across
simulation and VMsI Coherent IP forwarding tables across
simulation and VMsSolution
I Automate everything
BUTI Need global view of experiment topology
Planète (INRIA) NEPI GEC9 3 / 15
![Page 11: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/11.jpg)
Easy DeploymentProblem
I Tap/VM creation and setupI Coherent IP address assignment across
simulation and VMsI Coherent IP forwarding tables across
simulation and VMsSolution
I Automate everythingBUT
I Need global view of experiment topology
Planète (INRIA) NEPI GEC9 3 / 15
![Page 12: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/12.jpg)
Related Work
I Emulab Tcl: ad hoc, hard to generalizeI OMF Ruby: unclear how to extend it to model
complex topologiesI OMNeT++ NED: hard to ensure correctnessI SSF DML: hard to ensure correctnessI Geni RSPEC: hard to ensure correctnessI Geni Omnispec: hard to ensure correctness
Planète (INRIA) NEPI GEC9 4 / 15
![Page 13: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/13.jpg)
Related Work
I Emulab Tcl: ad hoc, hard to generalize
I OMF Ruby: unclear how to extend it to modelcomplex topologies
I OMNeT++ NED: hard to ensure correctnessI SSF DML: hard to ensure correctnessI Geni RSPEC: hard to ensure correctnessI Geni Omnispec: hard to ensure correctness
Planète (INRIA) NEPI GEC9 4 / 15
![Page 14: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/14.jpg)
Related Work
I Emulab Tcl: ad hoc, hard to generalizeI OMF Ruby: unclear how to extend it to model
complex topologies
I OMNeT++ NED: hard to ensure correctnessI SSF DML: hard to ensure correctnessI Geni RSPEC: hard to ensure correctnessI Geni Omnispec: hard to ensure correctness
Planète (INRIA) NEPI GEC9 4 / 15
![Page 15: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/15.jpg)
Related Work
I Emulab Tcl: ad hoc, hard to generalizeI OMF Ruby: unclear how to extend it to model
complex topologiesI OMNeT++ NED: hard to ensure correctness
I SSF DML: hard to ensure correctnessI Geni RSPEC: hard to ensure correctnessI Geni Omnispec: hard to ensure correctness
Planète (INRIA) NEPI GEC9 4 / 15
![Page 16: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/16.jpg)
Related Work
I Emulab Tcl: ad hoc, hard to generalizeI OMF Ruby: unclear how to extend it to model
complex topologiesI OMNeT++ NED: hard to ensure correctnessI SSF DML: hard to ensure correctness
I Geni RSPEC: hard to ensure correctnessI Geni Omnispec: hard to ensure correctness
Planète (INRIA) NEPI GEC9 4 / 15
![Page 17: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/17.jpg)
Related Work
I Emulab Tcl: ad hoc, hard to generalizeI OMF Ruby: unclear how to extend it to model
complex topologiesI OMNeT++ NED: hard to ensure correctnessI SSF DML: hard to ensure correctnessI Geni RSPEC: hard to ensure correctness
I Geni Omnispec: hard to ensure correctness
Planète (INRIA) NEPI GEC9 4 / 15
![Page 18: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/18.jpg)
Related Work
I Emulab Tcl: ad hoc, hard to generalizeI OMF Ruby: unclear how to extend it to model
complex topologiesI OMNeT++ NED: hard to ensure correctnessI SSF DML: hard to ensure correctnessI Geni RSPEC: hard to ensure correctnessI Geni Omnispec: hard to ensure correctness
Planète (INRIA) NEPI GEC9 4 / 15
![Page 19: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/19.jpg)
NEPI Object Model
Functional unit / BoxAttributesTrace sourcesConnectorsAllowed connectionsHierarchical
Planète (INRIA) NEPI GEC9 5 / 15
![Page 20: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/20.jpg)
NEPI Object Model
Functional unit / Box
AttributesTrace sourcesConnectorsAllowed connectionsHierarchical
Example:I IP stackI TCP stackI Ethernet card
Planète (INRIA) NEPI GEC9 5 / 15
![Page 21: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/21.jpg)
NEPI Object Model
Functional unit / BoxAttributes
Trace sourcesConnectorsAllowed connectionsHierarchical
Example:I IP checksumI IP forwarding
Planète (INRIA) NEPI GEC9 5 / 15
![Page 22: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/22.jpg)
NEPI Object Model
Functional unit / BoxAttributesTrace sources
ConnectorsAllowed connectionsHierarchical
Example:I Out packetsI In packets
Planète (INRIA) NEPI GEC9 5 / 15
![Page 23: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/23.jpg)
NEPI Object Model
Functional unit / BoxAttributesTrace sourcesConnectors
Allowed connectionsHierarchical
Ethernet
IP
dev
node
Planète (INRIA) NEPI GEC9 5 / 15
![Page 24: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/24.jpg)
NEPI Object Model
Functional unit / BoxAttributesTrace sourcesConnectorsAllowed connections
Hierarchical
Ethernet
IP
Ethernet
dev
node node
app
Planète (INRIA) NEPI GEC9 5 / 15
![Page 25: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/25.jpg)
NEPI Object Model
Functional unit / BoxAttributesTrace sourcesConnectorsAllowed connectionsHierarchical
Ethernet
Switch
Ethernet
node node
Node
dev
cablecable
port0 port1
Planète (INRIA) NEPI GEC9 5 / 15
![Page 26: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/26.jpg)
Objective Scenario
Planète (INRIA) NEPI GEC9 6 / 15
![Page 27: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/27.jpg)
NEPI Representation
Mobility
WifiNet
Device
Node
ARPICMPIP
TapNodeInterface
Node
FDNetDevice
Mobility
FDNetDevice
YansWifiPhyYansWifiPhy
Delay
YansWifiChannel
Loss
Nist Nist
WifiNet
Device
Manager
ApMac
Node
ARPIP ICMP
Manager
StaMac
TapNodeInterface
Node
ns-3NetNsNetNs
Planète (INRIA) NEPI GEC9 7 / 15
![Page 28: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/28.jpg)
Global IP topology
net2net1net0 Wifi Ap Wifi Sta FdFdTap Tap
n1n0 n2 n3
Planète (INRIA) NEPI GEC9 8 / 15
![Page 29: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/29.jpg)
Demo screenshot
Planète (INRIA) NEPI GEC9 9 / 15
![Page 30: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/30.jpg)
ConclusionWell chosen Object Model
I GUI
I ExpressiveI Simple coherent APII Connection checkingI Automates deployment thanks to global
topology knowledge
More details: http://yans.pl.sophia.inria.fr/trac/nepi
Planète (INRIA) NEPI GEC9 10 / 15
![Page 31: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/31.jpg)
ConclusionWell chosen Object Model
I GUII Expressive
I Simple coherent APII Connection checkingI Automates deployment thanks to global
topology knowledge
More details: http://yans.pl.sophia.inria.fr/trac/nepi
Planète (INRIA) NEPI GEC9 10 / 15
![Page 32: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/32.jpg)
ConclusionWell chosen Object Model
I GUII ExpressiveI Simple coherent API
I Connection checkingI Automates deployment thanks to global
topology knowledge
More details: http://yans.pl.sophia.inria.fr/trac/nepi
Planète (INRIA) NEPI GEC9 10 / 15
![Page 33: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/33.jpg)
ConclusionWell chosen Object Model
I GUII ExpressiveI Simple coherent APII Connection checking
I Automates deployment thanks to globaltopology knowledge
More details: http://yans.pl.sophia.inria.fr/trac/nepi
Planète (INRIA) NEPI GEC9 10 / 15
![Page 34: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/34.jpg)
ConclusionWell chosen Object Model
I GUII ExpressiveI Simple coherent APII Connection checkingI Automates deployment thanks to global
topology knowledge
More details: http://yans.pl.sophia.inria.fr/trac/nepi
Planète (INRIA) NEPI GEC9 10 / 15
![Page 35: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/35.jpg)
ConclusionWell chosen Object Model
I GUII ExpressiveI Simple coherent APII Connection checkingI Automates deployment thanks to global
topology knowledge
More details: http://yans.pl.sophia.inria.fr/trac/nepi
Planète (INRIA) NEPI GEC9 10 / 15
![Page 36: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/36.jpg)
Future work
I Support SFA/rspecI Support ...?
Planète (INRIA) NEPI GEC9 11 / 15
![Page 37: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/37.jpg)
Team
I Martin H. Ferrari, twice über Intern:implementation, ns-3 backend, NetNs
I Alina Quereilhac, Engineer: bugfixing,cleanup, refactoring
I Thierry Turletti: First userI Walid Dabbous: Initiated this work
Planète (INRIA) NEPI GEC9 12 / 15
![Page 39: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/39.jpg)
IP endpoints
Cannot use DNS:I Some backends do not support itI Hard to deploy
Instead:I Resolve endpoint names to IP/port before
deployment
Planète (INRIA) NEPI GEC9 14 / 15
![Page 40: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/40.jpg)
IP endpoints
Cannot use DNS:I Some backends do not support itI Hard to deploy
Instead:I Resolve endpoint names to IP/port before
deployment
Planète (INRIA) NEPI GEC9 14 / 15
![Page 41: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/41.jpg)
IP assignment
Currently stupid algorithm:I Allocate consecutive IP addressesI n entries per forwarding table
Planned:I Automatic IP Address Assignment on Network
Topologies, by John Byers, Jay Lepreau,Jonathon Duerig and Robert Ricci
Planète (INRIA) NEPI GEC9 15 / 15
![Page 42: Network Experiment Programming Interface (NEPI) · I Linux Network Namespaces X Planète (INRIA) NEPI GEC9 2 / 15. Objective Scenario VLC Server Router Wifi AP Wifi STA Router VLC](https://reader033.vdocument.in/reader033/viewer/2022042712/5f9c6cd5eecb277b9c10e4b7/html5/thumbnails/42.jpg)
IP assignment
Currently stupid algorithm:I Allocate consecutive IP addressesI n entries per forwarding table
Planned:I Automatic IP Address Assignment on Network
Topologies, by John Byers, Jay Lepreau,Jonathon Duerig and Robert Ricci
Planète (INRIA) NEPI GEC9 15 / 15