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IPCREW
Cogni,veRadioExperimenta,onWorld
FIA‐FIRE
Valencia,16april2010
Defini,on
■ “Cogni&veradioisaparadigmforwirelesscommunica&oninwhicheitheranetworkorawirelessnodechangesitstransmissionorrecep&onparameterstocommunicateefficientlyavoidinginterferencewithlicensedorunlicensedusers.■ Thisaltera&onofparametersisbasedontheac&vemonitoringofseveralfactorsintheexternalandinternalradioenvironment,suchasradiofrequencyspectrum,userbehaviourandnetworkstate.”
2
Mo,va,on
■ Importanceofcogni,veradioismo,vatedbyfollowingobserva,ons● Growingimportanceofmobile&wirelessnetworks
– ConBnuousevoluBonofwirelesstechnologies– Everincreasingnumber/densityofwirelessdevices– emergenceofwirelesssensornetworks(‘Internetofthings’)
● IncreasingheterogeneityoftheInternet– Heterogeneousnetworktechnologies
wired&wirelessnetworks
– Heterogeneousdevices networkinterfaces,memory/processingcapacity,powersupply,fixed/mobile…
– Heterogeneousservices● Dynamicsofmobileandwirelessenvironment
– (un)controlledinterference,(dis)appearingofdevices… 3
CREWobjec,ves
■ toestablishanopenfederatedplaCorm,whichfacilitatesexperimentally‐drivenresearchonadvancedspectrumsensing,cogni,veradioandcogni,venetworkingstrategiesinviewofhorizontalandver,calspectrumsharinginlicensedandunlicensedbands
■ todemonstrateofCREWfunc,onalitythroughCRusagescenarios
■ toaIractnewpartnersthrough2opencalls■ toestablishdemand‐drivenextensionstosupportexperimenta,onbynewpartners
■ tointeractwithFIREcoordina,on&supportac,onstoensuremaximalcomplianceofCREWfedera,ontotheoverallFIREvision
■ todevelopasustainabilitybusinessmodelfortheexploita,onoftheCREWfacili,es 4
CREWplaCorm
5
MODE1
CREWPORTAL
TCD
TUD
IBBT/IMEC
TUB
CREWPORTAL
MODE2
RELOCATENODES&
CREATENEWCOMBINATIONS
CREWPORTAL
MODE3
STEP1
STEP2
REPLAYONEBEHAVIOURINOTHERTESTBED
Crewfedera,onmodes
OFELIA – OpenFlow in Europe – Linking Infrastructure and Applications
FIA - FIRE Valencia, 16 april 2010
EICT, DTAG, UEssex, i2CAT, TUBerlin, NEC, IBBT, ETHZurich, Stanford University, ADVA
The Stanford Clean Slate Program http://cleanslate.stanford.edu
Concept
Standard Network
Processing hw sw Experimenter writes
experimental code on switch/router
User- defined
Processing
The Stanford Clean Slate Program http://cleanslate.stanford.edu
Flow Table
Controller
OpenFlow Switch
Secure Channel
PC
SSL
hw
sw
OpenFlow Switch specification
OpenFlow Switching
The Stanford Clean Slate Program http://cleanslate.stanford.edu
Flow Table Entry “Type 0” OpenFlow Switch
Switch Port
MAC src
MAC dst
Eth type
VLAN ID
IP Src
IP Dst
IP Prot
TCP sport
TCP dport
Rule Action Stats
1. Forward packet to port(s) 2. Encapsulate and forward to controller 3. Drop packet 4. Send to normal processing pipeline
+ mask
Packet + byte counters
1
Scientific challenges and objectives. OFELIA builds first OpenFlow switching testbed in Europe. Essential for Future Internet experimentation.
FutureInternetresearchneedslarge‐scaleflexibleend‐to‐endnetworkenvironmentssupporBngvirtualizaBonandallowingnewcontrolandrouBngalgorithms
OFELIAcreatesreal‐worldexperimentalnetworkingsubstratethat Allowsflexiblecontroldowntoindividualflows IsprotocolagnosBc,programmable,scalable Allowsdeployment&testofnewcontrollers&controlapps
1
Scientific challenges and objectives. OFELIA builds first OpenFlow switching testbed in Europe. Essential for Future Internet experimentation.
MainobjecBveisthecreaBonofaresearchfacilityincluding VirtualizaBon:automaBccreaBonofslices MulB‐domainextensionsofcontrollers(forfederaBonofislands) ExtensionintoopBcalandwirelesstechnologies
13
Example Optical testbed at UEssex
14
Example Wireless testbed at TUBerlin