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1 OCTOBER 8, 2019 ✱ ERICSSON TECHNOLOGY REVIEWERICSSON TECHNOLOGY REVIEW ✱ OCTOBER 8, 2019 2
✱ CTO TECHNOLOGY TRENDS 2019 CTO TECHNOLOGY TRENDS 2019 ✱
six key trends
manifesting
the platform
for innovation
TECHNOLOGY TRENDS 2019
Affordable and efficient connectivity
is a fundamental component of
digitalization and has become as
important as clean water and
electricity in creating a sustainable
society of the future. Recognition of
this fact is of critical importance as we
enter a new era that is defined by the
combinatorial effects of a multitude of
transformative technologies in areas
such as mobility, the Internet of Things
(IoT), distributed computing and
artificial intelligence (AI).
Theuniversalconnectivitynetworkthat
weusetodayisbuiltonvoiceandmobile
broadbandservicesthatcurrentlyserve
9billionconnecteddevicesglobally.
Thistechnologyisrecognizedand
acknowledgedforitsavailability,reliability,
integrityandaffordability,anditistrusted
tohandlesensitiveandimportant
information.Today’snetworkprovides
pervasiveglobalcoverageonascalewith
whichnoothertechnologycancompete.
Ithasquicklybecomeamultipurpose
network,readyandabletoonboardall
typesofusers,aswellassupportingalarge
numberofnewusecasesandaplethoraof
newtechnologiestomeetanyconsumer
orenterpriseneed.Assuch,itisideally
suitedtoserveasthefoundationforfuture
innovationinanyapplication.
APPROPRIATEANDUNIVERSAL
CONNECTIVITY
Themultipurposenetworkissignificantly
morecost-efficientthanspecializedor
dedicatednetworksolutions,makingit
themostaffordablesolutiontoaddress
society’sneedsacrossthespectrum
fromhuman-to-humantohuman-to-thing
andthing-to-thingcommunication.
Itsupportseverythingfromtraditional
voicecallstoimmersivehuman-to-human
communicationexperiences.Intermsof
human-to-thingcommunication,
itenableseverythingfromdigital
paymentstovoice-controlleddigital
assistants,aswellasreal-timesensitive
dronecontrolandhigh-qualitymedia
streaming.
WithregardtoIoTcommunication,the
ubiquitousconnectivityprovidedbythe
multipurposenetworkenablesthe
creationofaphysicalworldthatisfully
automatedandprogrammable.Examples
ofthisincludemassivesensormonitoring,
fullyautonomousphysicalprocessessuch
asself-drivingcarsandmanufacturing
robots,aswellasdigitally-embedded
processessuchasautonomousdecision-
makingintaxreturns.
KEYTECHNOLOGYTRENDS
Inmyview,theongoingevolutiontoward
thefuturenetworkcontinuestorely
heavilyonthefivekeytechnologytrends
thatIoutlinedinlastyear’strendsarticle.
Therefore,inthisyear’stechnologytrends
article,Ihavechosentobuildonlastyear’s
conclusionsandsharemyviewofthe
futurenetworkplatforminrelationtothose
fivetrends,withoneaddition:distributed
computeandstorage.
BY: ERIK EKUDDEN, CTO
✱ CTO TECHNOLOGY TRENDS 2019 CTO TECHNOLOGY TRENDS 2019 ✱
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TREND#1:
INTERNETOFSKILLS
TheInternetofSkillshasthepotentialto
bridgethegeographicaldistancebetween
humansaswellasbetweenhumansand
things.Ahighqualityofexperience(QoE)
isessentialtocreateimmersive
interactionsthatallowhumanstoattend
meetingsremotelywiththesameabilityto
participateasiftheywerephysically
present.Humanshavetotrustthe
networktoenablecriticalremote
operationsandinteractionwiththings.
Self-drivingvehicleswillrequirea
remotepersontotakeoverthedriving
orsupportinthedecision-makingifthe
autonomoussystemfails.Hence,tele-
operationofrobotsandvehiclesisneeded
atsea,onlandandunderground,aswellas
intheair.Remotehumanassistanceisalso
requiredfortaskssuchasmaintenance,
troubleshootingandrepairingacross
industrial,enterprise,healthcareand
consumerdomains.TheInternetofSkills
alsoappliestotheabilitytoexperience
physicalitemsremotelyinapplications
suchasonlineshoppingandgaming.
High-qualityandefficientcapturing,
transmissionandrenderingofvisual,audio
andhapticinformationisessentialtothe
InternetofSkills.Thisinformationwillbe
capturedbymultipledevicesanditmust
befusedtogethertobereproducedremotely.
Adistributedenvironmentforaccess,
computeandstorageofthisinformation
isthereforehighlyadvantageous.
Hapticcommunicationsrequirelatencies
below10msinthemostdemanding
scenarios.Largevolumesof3Dvisualdata
andhigh-frequencyhapticdataimpose
highnetworkbandwidthandlatency
demands,bothintheuplinkanddownlink.
Anetworkplatformwithlow-latency
characteristicsallowsforlargeamountsof
datatobequicklytransmittedbetween
devices.Thismeansthatmoretimecanbe
spentonprocessingandperforming
analyticsontheavailableinformationto
enhancetheexperience.
Securityandprivacyareveryimportant
sincethedevicesmaycapturesensitive
visual,audioandhapticinformation.This
informationcanrelatetotheuserofthe
deviceorotherusersthatsharethesame
environment,includingdetailed
characteristicsoftheuser’sphysical
environmentsuchastheirhomeoroffice,
aswellasinsightsintotheuser’sdaily
activities.
Thenetworkplatformwillalsobevery
beneficialforenablingthepositioningof
devices,bothoutdoorsandindoors.The
networkradiopositioninginformationcan
befusedwithinformationfromthedevice’s
onboardsensorssuchasthecameraand
inertialsensors.
Demanding use cases
exemplified by trends 1 and 2
Today’s networks are transforming into a platform where applications, processes and other technologies
are developed, deployed and enhanced. For me, it is fundamental that the platform ensures affordable,
reliable and trusted operation. Two use cases that I expect the network platform will need to support
are trends 1 and 2: the Internet of Skills and cyber-physical systems (CPSs).
PORTSOFTHEFUTURE
Terminalportoperationswill
increasinglyconsistofamixtureof
physicalmachinery,roboticssystems,
automatedvehicles,human-operated
digitalplatformsandAI-based
softwaresystems.Theseelements
willtransformfutureportsintoCPSs,
creatingadigitalecosystem
comprisedofvariousintelligent
agentshighlyspecializedinspecific
aspectsofcargoloading/unloading
andofthelogisticchains.
AUTOMOTIVE
Allnewfeaturesinmoderncars,
suchasadvanceddriverassistance
systemsandconnectedvehicle
services,arebasedonelectronics
andsoftwareratherthanon
mechanicalengineeringinnovations.
Safety-criticalfunctions,driver-
assistancesoftwareandinfotainment
applicationswillruninspecificand
highlycompartmentalizedonboard
modulesthatinteractwithaplethora
ofsensorsandactuators.Inthis
context,thefuturevehiclewill
increasinglytaketheformofaCPS
forwhichthepreventionofaccidents
isthemaingoal.
SMARTMANUFACTURING
Thefactoryofthefuturewillbeaset
ofinteractingCPSs,wherehighly
skilledworkerswillhavedirectinsight
intotheoperationsofcoordinated
intelligentmachinesfromacentral
controlentity.Everyfunctionalaspect
ofaproductionchainwillbeaffected
–fromdesign,tomanufacturing,
throughtosupplychains,andlater
extendingtocustomerserviceand
support.Thesmartfactorywillbe
hyper-connected,data-intensive
andhighlysecure.
EXAMPLES OF
CYBER-PHYSICAL SYSTEMS
TREND#2:
CYBER-PHYSICALSYSTEMS
CPSresultsfromtheintegrationof
differentsystemstocontrolaphysical
processandusesfeedbacktoadapttonew
conditionsinrealtime.Thisisachievedby
integratingphysicalprocesses,networking
andcomputation.ACPSgeneratesa
ndacquiresdata,sothattherelevant
elementsinvolvedhaveaccesstothe
appropriateinformationattherighttime.
Therefore,theCPScanutonomously
determineitscurrentoperatingstatus,
andcorrectiveactionsarerealizedby
theactuators.Informationcomesfrom
sensorsandfromotherrelatedCPSs.
Theroleofhumansistosupervisethe
operationoftheautomatedand
self-organizingprocesses.
CommunicationisvitalinCPSstoallow
differentandheterogeneousobjectsto
exchangeinformationwitheachotherand
withhumans,atanytimeandinany
conditions.Deterministiccommunication
(intermsoflatency,bandwidthandreliability)
largelyimpactsthedynamicinteractions
betweensubsystemsinCPSs.Minimizing
thetimeittakestoperformcontroltasks
iscriticaltoensuringthatasystem
functionscorrectly.
Thefuturenetworkplatformshould
providethespecificconnectivity
performancetoguaranteeCPS-critical
requirements.Asanexample,latency
criticalityisanissueforallcaseswhere
acontrollerorcomplexAImusttake
decisionsandactionsinrealtime.
EachCPShasaspecificarchitecture
thatrequiresanadaptivenetworkplatform.
Hence,aspecificad-hocdesignofindoor
and/oroutdoorcoverageisrequired.
Inaddition,networkslicingwillenable
satisfyingheterogeneousconnectivity
requirementsonthesamenetwork,
foranyindoororoutdoorscenarios.
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MAINCHARACTERISTICS
Theinterconnectbetweendifferentkinds
ofnetworks,fromlocaltowide-area
coverage,buildsaglobalnetworkthat
providesaplatformforpervasiveglobal
services.Theinherentmobilitywithinand
betweenthenetworkscreates
unprecedentedcoveragebothindoors
andoutdoors.Utilizingallthesenetwork
assetsenablesadistributedenvironment
foraccess,computeandstorage.These
assetsarevirtualized,distributedacross
thenetwork,andaremadeavailablewhere
theyareneededandaremostefficient.
Applicationsandprocessesare
dynamicallydeployedthroughout
thenetwork.Networkslicingenables
streamlinedconnectionsfordifferent
applications,enhancingtheefficiency
ofthetotalusageofthenetwork.
Autonomousdeployment,operation
andorchestrationisanessentialcapability
ofthenetworkplatformtoenable
cost-efficiency.Justasimportantare
thereliabilityandresiliencetofulfill
expectationsfromindustryandsociety.
Built-in,automatedsecurityfunctions
protectthenetworkandtheintegrity
ofitsusersfromexternalthreats.
THENETWORKPLATFORMOFFERING
Thenetworkplatformoffersawiderange
ofcapabilitiestoallitsusers.
Itprovidesaseamlessuniversal
connectivityfabricwithalmostunlimited,
scalableandaffordabledistributed
computeandstorage.Sensorsand
actuatorscanbeattachedanywhere
throughoutthenetwork.Latencycanbe
optimizedbyinteractingwiththecontrol
ofaccess,computeandstorage.
Embeddedintotheplatformisa
distributedintelligencethatsupports
userswithinsightsandreasoning.
Theaddressabilityandreachability
capabilitiesmakeitpossibletoconnect
anyoneoranythingregardlessoflocation
andtime.Togetherwiththeinherent
securityandavailability,thenetwork
platformcanalsomeetcommunication
needsrelatingtosecureidentificationof
usersandnetworks.Italsoprovidesthe
scalabilitytoautomaticallyadapttothe
exactneedsofindividualusersand
applications.Asanexample,adaptive
powerconsumptionisenabledbyaflexible
airinterface.Anotherexampleisautomated
life-cyclemanagementofdevices,users
andapplications.Thisguaranteesthemost
cost-efficientsolutionforusers,inboththe
longandshortterm.
Thenetworkplatformofferingis
consumedthroughanautomateddigital
marketplace.Networkservicesanddata
areavailablethroughconsistentandopen
businessinterfacesfortheapplications
(APIs).Data,suchaslocation,connectivity
conditionsanduserbehavior,canbemade
availablefromthenetworkplatform.
Withallthesecapabilities,thenetwork
platformoffersthemostaccessibleand
valuablefoundationforfutureinnovation.
My vision of the future
network platform
As I see it, the future network platform is characterized by its capability to instantaneously meet any
application needs. It can handle huge amounts of data, scarce amounts of data, and everything in
between. It will meet requirements for both open data and sensitive data, as well as all manner of needs
related to uplink and downlink transmission. From real-time critical to non-critical, predefined to flexible
air interface, preset to adaptive routing – the future network platform has it covered. Anyone and
anything that can benefit from a connection should be able to access and use the network.
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TREND#3:
DISTRIBUTEDCOMPUTE
ANDSTORAGE
Futureapplicationswillrequirenewpro-
cessingcapabilitiesfromthenetworkin
ordertoreducetheamountofdatathat
needstobecommunicated,providelow
latency,andincreaserobustnessandsecurity.
Today’sprocessorsandacceleratorswill
eventuallyexperiencetheendofMoore’s
Law,andnewheterogeneouscomputing
solutionswillemerge.Commodity
hardwarehasbeenjoinedbyahighly
heterogeneoussetofspecializedchipsets
–oftenreferredtoasaccelerators–thatare
optimizedforacertainclassofapplications.
Forexample,data-intensiveapplications
suchasmachinelearning(ML)/AIor
augmentedreality/virtualrealitycantake
advantageofthemassiveparallelization
offeredbyGraphicalProcessingUnits
orTensorProcessingUnits.Latency-
sensitiveapplicationscan utilize
computationpatternreuseofferedby
eithercustom-designedintegratedcircuits
orfield-programmableintegratedcircuits.
Thenextstepofheterogeneous
computingwillinvolvenewcomputing
paradigmssuchasneuromorphic
processorsthatyieldlowpower
consumption,fastinferenceandevent-
driveninformationprocessing.Another
emergingtechnologyisphotonic
computing.Photonsareusedinsteadof
electrons,thusavoidingthelatency
oftheelectron-switchingtimes.
Quantumprocessor-basedacceleration
ofcompute-intensiveandlatency-sensitive
algorithmswilleventuallybecomeareality.
Byexploitingthequantummechanics
principlessuchassuperpositionand
entanglement,quantumprocessors
promiseexponentialgrowthofcomputing
powerforacertainclassofproblems.
Theemergenceofuniversalmemories
willofferthecapacityandpersistency
featuresofstorage,combinedwithby
te-addressabilityandincreasedaccess
speedofmemory.Programswritten
forpersistentmemoriescanremove
thedistinctionbetweenruntimedata
structuresandofflinedatastorage
structures,resultinginfasterstart-up
timesandrecoveryincaseoffailover.
Advancementsinnon-volatilememory
technologieswillbecrucialtomeet
strictlatencyrequirements.
Theincreasingdisparityofcentral
processingunitspeedsversusmemory
accessspeedswillleadtomemory-centric
computearchitectures.Computeunits
willbeembeddedinsidethememoryorthe
storagefabrics.Thiswillnotonlyincrease
performance,butalsoleadtosignificant
energy-efficiencygainsbyreducingthe
datamovementoftraditionalcompute-
centricarchitectures.
Efficientlydevelopingapplications
foradistributedcomputeenvironment
willrequirenewprogrammingmodels.
Programswillbenefitfromseparating
theintentoftheapplicationfromthehow
Four technologies evolving
the network platform:
Trends 3-6
In my view, four technology areas are crucial to the evolution of the future network platform, represented
by trends 3 to 6: distributed compute and storage, ubiquitous radio access, security assurance and
zero-touch networks.
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✱ CTO TECHNOLOGY TRENDS 2019 CTO TECHNOLOGY TRENDS 2019 ✱
technologiesandvirtualization,whichare
introducingrequirementsforcontinuous
complianceverificationinadynamic
environment.Atthesametime,security
assuranceneedstoberootedinthe
evidencecollectedinthenetworkslices
supportingdifferentindustries.AIandML
technologieswillbringautomationof
assuranceandcomplianceverificationto
thenetworkplatform.
Intheworldofcloudcomputing,enclave
andconfidentialcomputinghardware
solutionsthatprovidearootoftrustare
currentlybeingpackagedinpre-commercial
cloudsolutions.Thesetechnologieshave
thepotentialtobecomeprevalentwhen
addressingsecurityconcernsfor
processinginthecloud.Conceptually
similartrustedcomputingtechnologies
arealsomovingintoIoTdevices.
Thetrendtowardencryption
everywherecontinueswithreports
ofupto90percentusageofHTTPS.
Asubstantiallydifferentprotocolstackon
theinternetisexpectedinafewyears,with
QUICandDoHasthedominantprotocols,
protectedbynewlystandardizedpost-
quantumalgorithms.Sincecurrent
securityprotocolsarenotsuitedfor
constrainedIoTnodesanddevices,the
industryisworkingtostandardizenew
lightweightapplicationlayerprotocols.
Atthesametime,remotelymanaged
eUICC(embeddedUniversalIntegrated
CircuitCard)basedSIMidentitiesinIoT
devicesareincreasinglybeingdeployed
fornetworkaccess.ModernSIMsbased
ontheeUICC,andlatertheevenmore
cost-effectiveiUICC(integratedUniversal
IntegratedCircuitCard),willformthetrust
anchorsforsecureidentitiesandnetwork
accessinfivetosevenyears.
Mission-criticalusecasesandregulatory
demands,aswellascloudandedge
computing,arethedrivingforcesbehind
thetrustandassurancetechnologiesthat
arebeingdevelopedandbecoming
integralpartsofthenetworkplatform.
TREND#6:
ZERO-TOUCHNETWORKS
Azero-touchnetworkiscapableofself-
managementandiscontrolledbybusiness
intents.Data-drivencontrollogicmakesit
possibletodesignthesystemwithoutthe
needforhumanconfiguration,aswellas
toprovideahigherdegreeofinformation
granularity.ApplyingAItechnologieswill
enablezero-touchautomationofnetwork
life-cyclemanagement,includingoptimizing
systemperformance,predictingupcoming
faultsandenablingpreventiveactions.
Theperformanceofadata-driven
zero-touchfunctioncanincreaseby
utilizingthewidernetworkdatafrommany
localclients,butthisneedstobebalanced
againstthecostandtimeassociatedwith
transferringlargevolumesofdata.
OneapproachistodesigndistributedML
solutions,suchasfederatedlearning,which
makesitpossibletogenerateanetwork-
wideglobalMLmodel.Trainingisdoneon
localclients,andtheneedtotransferdatais
limitedtomodelupdates,insteadofrawdata.
Withreinforcementlearning,itis
possibletodesignasolutionthatresponds
tounforeseenenvironments,whichcanbe
usedtoautomateoroptimizeaspecific
process.Areinforcementlearningagent
learnshowtoactoptimallygiventhe
systemstateinformationandreward
function,focusingonfindingabalance
betweenexplorationofunchartedterritory
andexploitationofcurrentknowledge.
Therequirementsonreliabilityandsafety
will,however,setlimitsontheapplicability.
Robotsareusedtointerfacewiththe
networkinfrastructure,collaboratewith
humansandutilizeAItoperformphysical
inspections,determinefaultcauses,
predictfuturefaultsandplanmaintenance
work.Computer-visiontechniquesenable,
forexample,automatedcelltower
inspection,whilemachinereasoningis
usedtoplanandexecutedroneflight.
Techniquestogeneralizeandtransfer
lessonslearnedcanbeusedtoincrease
performancefromonetowerinspectionto
another.TheseAI-basedrobotsystems
willcollaboratewithhumans,thereby
increasingtheirsafetyandefficiency.
Anintent-basedapproachsimilartothe
onereferencedintrend3(distributed
computeandstorage)allowshumanusers
tointeractwiththeAIsystemthatispartof
zero-touchapplications.Domainmodeling,
knowledgerepresentationandreasoning
(togetherwithML)areusedtocreatea
cognitivelayerforhumanstointeractwith
thesystemusinghigh-levelintents.
Thesystemiscapableofevaluatingand
executingstrategiesinlinewithanintent,
basedonlower-levelkeyperformance
indicator(KPI)predictions.Bycomplementing
MLwithmachinereasoning,thesystem
canbedesignedtoexpresswhycertain
decisionsweretakenandisawayto
implementexplainableAI.
TrustworthyMLmodelsthatfulfillzero-
touchaspectsneedtobebuiltinlinewith
theneedforprivacyandlegislativerules
forhowdatacanbeexposedormoved.
Newspecializedhardwareforaccelerating
MLtrainingandinferencewillimprove
performanceandreduceenergy
consumptioninawell-designedzero-touch
networkplatform.RecentprogressinAI
hasshownnewpromisingpossibilitiesto
designforzerotouch.Manychallengesneed
tobeovercome,however,andthevalue
andefficiencyoftraditionallydesigned
controllogicshouldnotbeunderestimated.
andwhereofthephysicalnetwork.
Today,intent-basednetworkinguses
ServiceLevelAgreementsandpolicies
todefinetheintentofnetworkoperations.
Thenetworkconfigures,monitorsand
troubleshootsissuesinthenetworkto
fulfilltheseintents.Inthefuture,therewill
bemorecloudservicesmanagedbyintent-
basedoperationstoevolvetowardmore
advancedautomation.
Thenetworkplatformwillbenefitfrom
theseamlessintegrationofspecialized
computeandstoragehardwaretoboost
performanceforawiderrangeof
emerging,complexapplications.
Theadvancedcomputeandstorage
capabilitieswillbemovedtotheedgeof
thenetwork,closertowherethedatais
generated.Further,thenetworkwillbe
abletosupportdeveloperswithefficient
andtransparentprogrammingmodels.
Edge-nativeapplicationswillbedesigned
fromthegrounduptofullycapitalizeon
computeandstorageresourcesanywhere.
TREND#4:
UBIQUITOUSRADIOACCESS
Improvedindoorcoverage,maximal
energyefficiency,fiber-likeperformance
andsupportforbothsmallcellsandawide
rangeofnewusecasesarekeyfeaturesof
the5Gnetworksthatarecurrentlybeing
rolledout.Thesenetworkswillbethe
baselineforfutureradionetworksand
thenetworkplatformitself.
Futurewirelessaccessnetworkswill
consistofawiderangeofdifferenttypesof
nodesjointlyprovidingwirelessaccess
coverage.Deviceswillinmanycaseshave
simultaneousconnectivitytomultiple
networknodes,includingdifferentaccess
technologies,forenhancedperformance
andreliability.Wirelesstechnologywill
alsobeusedfortheconnectivitybetween
thenetworknodes,asacomplementto
fiber-basedconnectivity.
Networkcoveragewillbefurther
extendedbymakinguseofintermediate
devicestoforwarddatatodevicesoutside
thecoverageofthebasicnetwork.Device
cooperationcanbeusedtocreatevirtual
largeantennaarraybycombiningthe
antennasofmultipledevices,which
requirestightsynchronization.Asthe
networkisbecomingincreasinglydense
withagreateramountofsmalllow-power
networknodes,andwithdevices
contributingtotheoverallconnectivity,the
borderbetweendevicesandnetwork
nodesmaybemorediffuse.
Keytothemanagementofthiskindof
massiveheterogenousnetwork,withamuch
moremesh-likeconnectivity,willbethe
developmentandutilizationofadvanced
AIfunctionality.Thiswillenablethenetwork
toevolveandadaptovertimetonewrequire-
mentsandchangesintheenvironment.
Operationabove100GHzwillenable
terabit-per-seconddatarates,although
onlyfortrulyshort-rangeconnectivity.
Therearecurrentlyimplementation
challengesforthisfrequencyrange,such
ashowtogeneratesubstantialpowerand
theheatdissipation,consideringthe
inherentlysmalldimensionsofthe
components,includingantennas.The
extensiontohigher-frequencyoperation
anduseofbeam-formedtransmissionswill
enableenhancementsinspectrumsharing.
InthehigherlayersofRANsandcore
networks,theevolutiontowardcloud-
nativeimplementationandautomation
continues.Networkinterfacesaremoving
awayfromtraditionalpoint-to-point
interfacestowardmoreservices-based
applicationinterfacesdecoupledfrom
underlyingtransportconnections.
Cloud-nativeimplementationofstateless
networkfunctionsuseexternalcontext
storageforredundancyandcontext
managementfordifferentevents,
suchascontextrelocationwhenmobile.
Beyondtheprimarytaskofproviding
wirelessconnectivity,theradio-access
infrastructurewillalsobecapableof
deliveringotherservices.Thisisalready
happeningtoday,inpart,withtheintroduction
oflocation-basedservicesasacomplement
toGPS.Thecombinationofhigh-frequency
bandnetworksanddensedeploymentswill
makeitpossibletodramaticallyenhance
theaccuracydowntosub-meterlevel.
Otherserviceexamplesincludetime
synchronization,time-sensitivenetworking,
thecollectionofcomplementary
informationaboutlocalweather
conditionsandthecreationofradar-like
scansoftheenvironment.
TREND#5:
SECURITYASSURANCE
Theneedforprotectionandassurance
(orevencompliance)isgrowingrapidly
asbusinessandsocietyincreasinglyrely
onuniversalconnectivityandcompute.
Today,thereisintenseactivitytoexplore
thepotentialofAIandMLtoprotectsystems
andnetworks.Thereislarge-scale
adoptionofthesetechnologiesinareas
suchasnetworkthreatdetectionand
threatintelligenceextraction,whileother
areassuchascontinuousauthentication
appearlessmature.WhileAItechnologies
canprovideawiderangeofbenefits,itis
importanttonotethattheycanalsobe
usedbyadversariestofindavenuesof
attackthatspecificallytargetMLsystems.
Intheseautonomousnetworks,security
assuranceproceduresplaytheimportant
roleofverifyingsecuritypropertiesofthe
networkplatform.Onechallengeliesinthe
networkarchitectures,basedoncloud
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✱ CTO TECHNOLOGY TRENDS 2019 CTO TECHNOLOGY TRENDS 2019 ✱
Muchmorecost-efficientthanspecialized
ordedicatednetworksolutions,thenetwork
platformisclearlythemostaffordable
solutiontoaddresssociety’sneedsacross
thespectrumfromhuman-to-humanto
human-to-thingandthing-to-thing
communication.Oneofitsmajor
advantagesisthatitisavailablethrough
anopenmarketplacethatisaccessibleto
anyone,anywhere,atanytime.
Themultipurposenetworkisrapidly
emergingasasecure,robustandreliable
platformwhereapplications,processes
andothertechnologiescanbedeveloped,
deployedandmanaged.TheInternetof
Skillsandcyber-physicalsystems–
trends1and2–areimportantexamples
ofusecasesthatitneedstosupport.
Akeycharacteristicofthefuture
networkplatformwillbeitsabilityto
instantaneouslymeetanyapplication
need,anytime.Fourtechnologyareas–
trends3-6–areplayingcriticalrolesinits
ongoingevolution:distributedcompute
andstorage,ubiquitousradioaccess,
securityassuranceandzero-touch
networks.
Self-drivingvehicles,intelligent
manufacturingrobotsandreal-timedrone
controlarejustafewexamplesofthe
myriadofwaysinwhichthemultipurpose
networkisenablingtheautomationofthe
physicalworldand,ultimately,thecreation
ofasustainablesocietyofthefuture.
CONCLUSION
◆ As Group CTO, Erik Ekudden is responsible for setting the direction of technology leadership
for the Ericsson Group. His experience of working with technology leadership globally influences
thestrategicdecisionsandinvestmentsin,forexample,mobility,distributedcloud,artificialintelligence
andtheInternetofThings.Thisbuildsonhisdecades-longcareerintechnologystrategiesandindustry
activities.EkuddenjoinedEricssonin1993andhasheldvariousmanagementpositionsinthecompany,
including Head of Technology Strategy, Chief Technology Officer Americas in Santa Clara (USA),
and Head of Standardization and Industry. He is also a member of the Royal Swedish Academy
of Engineering Sciences and the publisher of Ericsson Technology Review.
ERIK EKUDDEN
SENIOR VICE PRESIDENT, CHIEF TECHNOLOGY OFFICER
AND HEAD OF GROUP FUNCTION TECHNOLOGY
No other technology in the world today can provide pervasive global coverage on a scale comparable
to that of the network platform, and it is my firm belief that it is ideally suited to serve as the innovation
platform for both current and future applications. The technology evolution characterized by this year’s
trends points toward the future definition of 6G.

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Ericsson Technology Review - Technology Trends 2019

  • 1. 1 OCTOBER 8, 2019 ✱ ERICSSON TECHNOLOGY REVIEWERICSSON TECHNOLOGY REVIEW ✱ OCTOBER 8, 2019 2 ✱ CTO TECHNOLOGY TRENDS 2019 CTO TECHNOLOGY TRENDS 2019 ✱ six key trends manifesting the platform for innovation TECHNOLOGY TRENDS 2019 Affordable and efficient connectivity is a fundamental component of digitalization and has become as important as clean water and electricity in creating a sustainable society of the future. Recognition of this fact is of critical importance as we enter a new era that is defined by the combinatorial effects of a multitude of transformative technologies in areas such as mobility, the Internet of Things (IoT), distributed computing and artificial intelligence (AI). Theuniversalconnectivitynetworkthat weusetodayisbuiltonvoiceandmobile broadbandservicesthatcurrentlyserve 9billionconnecteddevicesglobally. Thistechnologyisrecognizedand acknowledgedforitsavailability,reliability, integrityandaffordability,anditistrusted tohandlesensitiveandimportant information.Today’snetworkprovides pervasiveglobalcoverageonascalewith whichnoothertechnologycancompete. Ithasquicklybecomeamultipurpose network,readyandabletoonboardall typesofusers,aswellassupportingalarge numberofnewusecasesandaplethoraof newtechnologiestomeetanyconsumer orenterpriseneed.Assuch,itisideally suitedtoserveasthefoundationforfuture innovationinanyapplication. APPROPRIATEANDUNIVERSAL CONNECTIVITY Themultipurposenetworkissignificantly morecost-efficientthanspecializedor dedicatednetworksolutions,makingit themostaffordablesolutiontoaddress society’sneedsacrossthespectrum fromhuman-to-humantohuman-to-thing andthing-to-thingcommunication. Itsupportseverythingfromtraditional voicecallstoimmersivehuman-to-human communicationexperiences.Intermsof human-to-thingcommunication, itenableseverythingfromdigital paymentstovoice-controlleddigital assistants,aswellasreal-timesensitive dronecontrolandhigh-qualitymedia streaming. WithregardtoIoTcommunication,the ubiquitousconnectivityprovidedbythe multipurposenetworkenablesthe creationofaphysicalworldthatisfully automatedandprogrammable.Examples ofthisincludemassivesensormonitoring, fullyautonomousphysicalprocessessuch asself-drivingcarsandmanufacturing robots,aswellasdigitally-embedded processessuchasautonomousdecision- makingintaxreturns. KEYTECHNOLOGYTRENDS Inmyview,theongoingevolutiontoward thefuturenetworkcontinuestorely heavilyonthefivekeytechnologytrends thatIoutlinedinlastyear’strendsarticle. Therefore,inthisyear’stechnologytrends article,Ihavechosentobuildonlastyear’s conclusionsandsharemyviewofthe futurenetworkplatforminrelationtothose fivetrends,withoneaddition:distributed computeandstorage. BY: ERIK EKUDDEN, CTO ✱ CTO TECHNOLOGY TRENDS 2019 CTO TECHNOLOGY TRENDS 2019 ✱ 1 2
  • 2. 3 OCTOBER 8, 2019 ✱ ERICSSON TECHNOLOGY REVIEWERICSSON TECHNOLOGY REVIEW ✱ OCTOBER 8, 2019 4 ✱ CTO TECHNOLOGY TRENDS 2019 CTO TECHNOLOGY TRENDS 2019 ✱ TREND#1: INTERNETOFSKILLS TheInternetofSkillshasthepotentialto bridgethegeographicaldistancebetween humansaswellasbetweenhumansand things.Ahighqualityofexperience(QoE) isessentialtocreateimmersive interactionsthatallowhumanstoattend meetingsremotelywiththesameabilityto participateasiftheywerephysically present.Humanshavetotrustthe networktoenablecriticalremote operationsandinteractionwiththings. Self-drivingvehicleswillrequirea remotepersontotakeoverthedriving orsupportinthedecision-makingifthe autonomoussystemfails.Hence,tele- operationofrobotsandvehiclesisneeded atsea,onlandandunderground,aswellas intheair.Remotehumanassistanceisalso requiredfortaskssuchasmaintenance, troubleshootingandrepairingacross industrial,enterprise,healthcareand consumerdomains.TheInternetofSkills alsoappliestotheabilitytoexperience physicalitemsremotelyinapplications suchasonlineshoppingandgaming. High-qualityandefficientcapturing, transmissionandrenderingofvisual,audio andhapticinformationisessentialtothe InternetofSkills.Thisinformationwillbe capturedbymultipledevicesanditmust befusedtogethertobereproducedremotely. Adistributedenvironmentforaccess, computeandstorageofthisinformation isthereforehighlyadvantageous. Hapticcommunicationsrequirelatencies below10msinthemostdemanding scenarios.Largevolumesof3Dvisualdata andhigh-frequencyhapticdataimpose highnetworkbandwidthandlatency demands,bothintheuplinkanddownlink. Anetworkplatformwithlow-latency characteristicsallowsforlargeamountsof datatobequicklytransmittedbetween devices.Thismeansthatmoretimecanbe spentonprocessingandperforming analyticsontheavailableinformationto enhancetheexperience. Securityandprivacyareveryimportant sincethedevicesmaycapturesensitive visual,audioandhapticinformation.This informationcanrelatetotheuserofthe deviceorotherusersthatsharethesame environment,includingdetailed characteristicsoftheuser’sphysical environmentsuchastheirhomeoroffice, aswellasinsightsintotheuser’sdaily activities. Thenetworkplatformwillalsobevery beneficialforenablingthepositioningof devices,bothoutdoorsandindoors.The networkradiopositioninginformationcan befusedwithinformationfromthedevice’s onboardsensorssuchasthecameraand inertialsensors. Demanding use cases exemplified by trends 1 and 2 Today’s networks are transforming into a platform where applications, processes and other technologies are developed, deployed and enhanced. For me, it is fundamental that the platform ensures affordable, reliable and trusted operation. Two use cases that I expect the network platform will need to support are trends 1 and 2: the Internet of Skills and cyber-physical systems (CPSs). PORTSOFTHEFUTURE Terminalportoperationswill increasinglyconsistofamixtureof physicalmachinery,roboticssystems, automatedvehicles,human-operated digitalplatformsandAI-based softwaresystems.Theseelements willtransformfutureportsintoCPSs, creatingadigitalecosystem comprisedofvariousintelligent agentshighlyspecializedinspecific aspectsofcargoloading/unloading andofthelogisticchains. AUTOMOTIVE Allnewfeaturesinmoderncars, suchasadvanceddriverassistance systemsandconnectedvehicle services,arebasedonelectronics andsoftwareratherthanon mechanicalengineeringinnovations. Safety-criticalfunctions,driver- assistancesoftwareandinfotainment applicationswillruninspecificand highlycompartmentalizedonboard modulesthatinteractwithaplethora ofsensorsandactuators.Inthis context,thefuturevehiclewill increasinglytaketheformofaCPS forwhichthepreventionofaccidents isthemaingoal. SMARTMANUFACTURING Thefactoryofthefuturewillbeaset ofinteractingCPSs,wherehighly skilledworkerswillhavedirectinsight intotheoperationsofcoordinated intelligentmachinesfromacentral controlentity.Everyfunctionalaspect ofaproductionchainwillbeaffected –fromdesign,tomanufacturing, throughtosupplychains,andlater extendingtocustomerserviceand support.Thesmartfactorywillbe hyper-connected,data-intensive andhighlysecure. EXAMPLES OF CYBER-PHYSICAL SYSTEMS TREND#2: CYBER-PHYSICALSYSTEMS CPSresultsfromtheintegrationof differentsystemstocontrolaphysical processandusesfeedbacktoadapttonew conditionsinrealtime.Thisisachievedby integratingphysicalprocesses,networking andcomputation.ACPSgeneratesa ndacquiresdata,sothattherelevant elementsinvolvedhaveaccesstothe appropriateinformationattherighttime. Therefore,theCPScanutonomously determineitscurrentoperatingstatus, andcorrectiveactionsarerealizedby theactuators.Informationcomesfrom sensorsandfromotherrelatedCPSs. Theroleofhumansistosupervisethe operationoftheautomatedand self-organizingprocesses. CommunicationisvitalinCPSstoallow differentandheterogeneousobjectsto exchangeinformationwitheachotherand withhumans,atanytimeandinany conditions.Deterministiccommunication (intermsoflatency,bandwidthandreliability) largelyimpactsthedynamicinteractions betweensubsystemsinCPSs.Minimizing thetimeittakestoperformcontroltasks iscriticaltoensuringthatasystem functionscorrectly. Thefuturenetworkplatformshould providethespecificconnectivity performancetoguaranteeCPS-critical requirements.Asanexample,latency criticalityisanissueforallcaseswhere acontrollerorcomplexAImusttake decisionsandactionsinrealtime. EachCPShasaspecificarchitecture thatrequiresanadaptivenetworkplatform. Hence,aspecificad-hocdesignofindoor and/oroutdoorcoverageisrequired. Inaddition,networkslicingwillenable satisfyingheterogeneousconnectivity requirementsonthesamenetwork, foranyindoororoutdoorscenarios.
  • 3. OCTOBER 8, 2019 ✱ ERICSSON TECHNOLOGY REVIEW 6 CTO TECHNOLOGY TRENDS 2019 ✱ 5 ERICSSON TECHNOLOGY REVIEW ✱ OCTOBER 8, 2019 ✱ CTO TECHNOLOGY TRENDS 2019 MAINCHARACTERISTICS Theinterconnectbetweendifferentkinds ofnetworks,fromlocaltowide-area coverage,buildsaglobalnetworkthat providesaplatformforpervasiveglobal services.Theinherentmobilitywithinand betweenthenetworkscreates unprecedentedcoveragebothindoors andoutdoors.Utilizingallthesenetwork assetsenablesadistributedenvironment foraccess,computeandstorage.These assetsarevirtualized,distributedacross thenetwork,andaremadeavailablewhere theyareneededandaremostefficient. Applicationsandprocessesare dynamicallydeployedthroughout thenetwork.Networkslicingenables streamlinedconnectionsfordifferent applications,enhancingtheefficiency ofthetotalusageofthenetwork. Autonomousdeployment,operation andorchestrationisanessentialcapability ofthenetworkplatformtoenable cost-efficiency.Justasimportantare thereliabilityandresiliencetofulfill expectationsfromindustryandsociety. Built-in,automatedsecurityfunctions protectthenetworkandtheintegrity ofitsusersfromexternalthreats. THENETWORKPLATFORMOFFERING Thenetworkplatformoffersawiderange ofcapabilitiestoallitsusers. Itprovidesaseamlessuniversal connectivityfabricwithalmostunlimited, scalableandaffordabledistributed computeandstorage.Sensorsand actuatorscanbeattachedanywhere throughoutthenetwork.Latencycanbe optimizedbyinteractingwiththecontrol ofaccess,computeandstorage. Embeddedintotheplatformisa distributedintelligencethatsupports userswithinsightsandreasoning. Theaddressabilityandreachability capabilitiesmakeitpossibletoconnect anyoneoranythingregardlessoflocation andtime.Togetherwiththeinherent securityandavailability,thenetwork platformcanalsomeetcommunication needsrelatingtosecureidentificationof usersandnetworks.Italsoprovidesthe scalabilitytoautomaticallyadapttothe exactneedsofindividualusersand applications.Asanexample,adaptive powerconsumptionisenabledbyaflexible airinterface.Anotherexampleisautomated life-cyclemanagementofdevices,users andapplications.Thisguaranteesthemost cost-efficientsolutionforusers,inboththe longandshortterm. Thenetworkplatformofferingis consumedthroughanautomateddigital marketplace.Networkservicesanddata areavailablethroughconsistentandopen businessinterfacesfortheapplications (APIs).Data,suchaslocation,connectivity conditionsanduserbehavior,canbemade availablefromthenetworkplatform. Withallthesecapabilities,thenetwork platformoffersthemostaccessibleand valuablefoundationforfutureinnovation. My vision of the future network platform As I see it, the future network platform is characterized by its capability to instantaneously meet any application needs. It can handle huge amounts of data, scarce amounts of data, and everything in between. It will meet requirements for both open data and sensitive data, as well as all manner of needs related to uplink and downlink transmission. From real-time critical to non-critical, predefined to flexible air interface, preset to adaptive routing – the future network platform has it covered. Anyone and anything that can benefit from a connection should be able to access and use the network. 5
  • 4. OCTOBER 8, 2019 ✱ ERICSSON TECHNOLOGY REVIEW 8 CTO TECHNOLOGY TRENDS 2019 ✱ 7 ERICSSON TECHNOLOGY REVIEW ✱ OCTOBER 8, 2019 ✱ CTO TECHNOLOGY TRENDS 2019 TREND#3: DISTRIBUTEDCOMPUTE ANDSTORAGE Futureapplicationswillrequirenewpro- cessingcapabilitiesfromthenetworkin ordertoreducetheamountofdatathat needstobecommunicated,providelow latency,andincreaserobustnessandsecurity. Today’sprocessorsandacceleratorswill eventuallyexperiencetheendofMoore’s Law,andnewheterogeneouscomputing solutionswillemerge.Commodity hardwarehasbeenjoinedbyahighly heterogeneoussetofspecializedchipsets –oftenreferredtoasaccelerators–thatare optimizedforacertainclassofapplications. Forexample,data-intensiveapplications suchasmachinelearning(ML)/AIor augmentedreality/virtualrealitycantake advantageofthemassiveparallelization offeredbyGraphicalProcessingUnits orTensorProcessingUnits.Latency- sensitiveapplicationscan utilize computationpatternreuseofferedby eithercustom-designedintegratedcircuits orfield-programmableintegratedcircuits. Thenextstepofheterogeneous computingwillinvolvenewcomputing paradigmssuchasneuromorphic processorsthatyieldlowpower consumption,fastinferenceandevent- driveninformationprocessing.Another emergingtechnologyisphotonic computing.Photonsareusedinsteadof electrons,thusavoidingthelatency oftheelectron-switchingtimes. Quantumprocessor-basedacceleration ofcompute-intensiveandlatency-sensitive algorithmswilleventuallybecomeareality. Byexploitingthequantummechanics principlessuchassuperpositionand entanglement,quantumprocessors promiseexponentialgrowthofcomputing powerforacertainclassofproblems. Theemergenceofuniversalmemories willofferthecapacityandpersistency featuresofstorage,combinedwithby te-addressabilityandincreasedaccess speedofmemory.Programswritten forpersistentmemoriescanremove thedistinctionbetweenruntimedata structuresandofflinedatastorage structures,resultinginfasterstart-up timesandrecoveryincaseoffailover. Advancementsinnon-volatilememory technologieswillbecrucialtomeet strictlatencyrequirements. Theincreasingdisparityofcentral processingunitspeedsversusmemory accessspeedswillleadtomemory-centric computearchitectures.Computeunits willbeembeddedinsidethememoryorthe storagefabrics.Thiswillnotonlyincrease performance,butalsoleadtosignificant energy-efficiencygainsbyreducingthe datamovementoftraditionalcompute- centricarchitectures. Efficientlydevelopingapplications foradistributedcomputeenvironment willrequirenewprogrammingmodels. Programswillbenefitfromseparating theintentoftheapplicationfromthehow Four technologies evolving the network platform: Trends 3-6 In my view, four technology areas are crucial to the evolution of the future network platform, represented by trends 3 to 6: distributed compute and storage, ubiquitous radio access, security assurance and zero-touch networks. 8
  • 5. 9 OCTOBER 8, 2019 ✱ ERICSSON TECHNOLOGY REVIEWERICSSON TECHNOLOGY REVIEW ✱ OCTOBER 8, 2019 10 ✱ CTO TECHNOLOGY TRENDS 2019 CTO TECHNOLOGY TRENDS 2019 ✱ technologiesandvirtualization,whichare introducingrequirementsforcontinuous complianceverificationinadynamic environment.Atthesametime,security assuranceneedstoberootedinthe evidencecollectedinthenetworkslices supportingdifferentindustries.AIandML technologieswillbringautomationof assuranceandcomplianceverificationto thenetworkplatform. Intheworldofcloudcomputing,enclave andconfidentialcomputinghardware solutionsthatprovidearootoftrustare currentlybeingpackagedinpre-commercial cloudsolutions.Thesetechnologieshave thepotentialtobecomeprevalentwhen addressingsecurityconcernsfor processinginthecloud.Conceptually similartrustedcomputingtechnologies arealsomovingintoIoTdevices. Thetrendtowardencryption everywherecontinueswithreports ofupto90percentusageofHTTPS. Asubstantiallydifferentprotocolstackon theinternetisexpectedinafewyears,with QUICandDoHasthedominantprotocols, protectedbynewlystandardizedpost- quantumalgorithms.Sincecurrent securityprotocolsarenotsuitedfor constrainedIoTnodesanddevices,the industryisworkingtostandardizenew lightweightapplicationlayerprotocols. Atthesametime,remotelymanaged eUICC(embeddedUniversalIntegrated CircuitCard)basedSIMidentitiesinIoT devicesareincreasinglybeingdeployed fornetworkaccess.ModernSIMsbased ontheeUICC,andlatertheevenmore cost-effectiveiUICC(integratedUniversal IntegratedCircuitCard),willformthetrust anchorsforsecureidentitiesandnetwork accessinfivetosevenyears. Mission-criticalusecasesandregulatory demands,aswellascloudandedge computing,arethedrivingforcesbehind thetrustandassurancetechnologiesthat arebeingdevelopedandbecoming integralpartsofthenetworkplatform. TREND#6: ZERO-TOUCHNETWORKS Azero-touchnetworkiscapableofself- managementandiscontrolledbybusiness intents.Data-drivencontrollogicmakesit possibletodesignthesystemwithoutthe needforhumanconfiguration,aswellas toprovideahigherdegreeofinformation granularity.ApplyingAItechnologieswill enablezero-touchautomationofnetwork life-cyclemanagement,includingoptimizing systemperformance,predictingupcoming faultsandenablingpreventiveactions. Theperformanceofadata-driven zero-touchfunctioncanincreaseby utilizingthewidernetworkdatafrommany localclients,butthisneedstobebalanced againstthecostandtimeassociatedwith transferringlargevolumesofdata. OneapproachistodesigndistributedML solutions,suchasfederatedlearning,which makesitpossibletogenerateanetwork- wideglobalMLmodel.Trainingisdoneon localclients,andtheneedtotransferdatais limitedtomodelupdates,insteadofrawdata. Withreinforcementlearning,itis possibletodesignasolutionthatresponds tounforeseenenvironments,whichcanbe usedtoautomateoroptimizeaspecific process.Areinforcementlearningagent learnshowtoactoptimallygiventhe systemstateinformationandreward function,focusingonfindingabalance betweenexplorationofunchartedterritory andexploitationofcurrentknowledge. Therequirementsonreliabilityandsafety will,however,setlimitsontheapplicability. Robotsareusedtointerfacewiththe networkinfrastructure,collaboratewith humansandutilizeAItoperformphysical inspections,determinefaultcauses, predictfuturefaultsandplanmaintenance work.Computer-visiontechniquesenable, forexample,automatedcelltower inspection,whilemachinereasoningis usedtoplanandexecutedroneflight. Techniquestogeneralizeandtransfer lessonslearnedcanbeusedtoincrease performancefromonetowerinspectionto another.TheseAI-basedrobotsystems willcollaboratewithhumans,thereby increasingtheirsafetyandefficiency. Anintent-basedapproachsimilartothe onereferencedintrend3(distributed computeandstorage)allowshumanusers tointeractwiththeAIsystemthatispartof zero-touchapplications.Domainmodeling, knowledgerepresentationandreasoning (togetherwithML)areusedtocreatea cognitivelayerforhumanstointeractwith thesystemusinghigh-levelintents. Thesystemiscapableofevaluatingand executingstrategiesinlinewithanintent, basedonlower-levelkeyperformance indicator(KPI)predictions.Bycomplementing MLwithmachinereasoning,thesystem canbedesignedtoexpresswhycertain decisionsweretakenandisawayto implementexplainableAI. TrustworthyMLmodelsthatfulfillzero- touchaspectsneedtobebuiltinlinewith theneedforprivacyandlegislativerules forhowdatacanbeexposedormoved. Newspecializedhardwareforaccelerating MLtrainingandinferencewillimprove performanceandreduceenergy consumptioninawell-designedzero-touch networkplatform.RecentprogressinAI hasshownnewpromisingpossibilitiesto designforzerotouch.Manychallengesneed tobeovercome,however,andthevalue andefficiencyoftraditionallydesigned controllogicshouldnotbeunderestimated. andwhereofthephysicalnetwork. Today,intent-basednetworkinguses ServiceLevelAgreementsandpolicies todefinetheintentofnetworkoperations. Thenetworkconfigures,monitorsand troubleshootsissuesinthenetworkto fulfilltheseintents.Inthefuture,therewill bemorecloudservicesmanagedbyintent- basedoperationstoevolvetowardmore advancedautomation. Thenetworkplatformwillbenefitfrom theseamlessintegrationofspecialized computeandstoragehardwaretoboost performanceforawiderrangeof emerging,complexapplications. Theadvancedcomputeandstorage capabilitieswillbemovedtotheedgeof thenetwork,closertowherethedatais generated.Further,thenetworkwillbe abletosupportdeveloperswithefficient andtransparentprogrammingmodels. Edge-nativeapplicationswillbedesigned fromthegrounduptofullycapitalizeon computeandstorageresourcesanywhere. TREND#4: UBIQUITOUSRADIOACCESS Improvedindoorcoverage,maximal energyefficiency,fiber-likeperformance andsupportforbothsmallcellsandawide rangeofnewusecasesarekeyfeaturesof the5Gnetworksthatarecurrentlybeing rolledout.Thesenetworkswillbethe baselineforfutureradionetworksand thenetworkplatformitself. Futurewirelessaccessnetworkswill consistofawiderangeofdifferenttypesof nodesjointlyprovidingwirelessaccess coverage.Deviceswillinmanycaseshave simultaneousconnectivitytomultiple networknodes,includingdifferentaccess technologies,forenhancedperformance andreliability.Wirelesstechnologywill alsobeusedfortheconnectivitybetween thenetworknodes,asacomplementto fiber-basedconnectivity. Networkcoveragewillbefurther extendedbymakinguseofintermediate devicestoforwarddatatodevicesoutside thecoverageofthebasicnetwork.Device cooperationcanbeusedtocreatevirtual largeantennaarraybycombiningthe antennasofmultipledevices,which requirestightsynchronization.Asthe networkisbecomingincreasinglydense withagreateramountofsmalllow-power networknodes,andwithdevices contributingtotheoverallconnectivity,the borderbetweendevicesandnetwork nodesmaybemorediffuse. Keytothemanagementofthiskindof massiveheterogenousnetwork,withamuch moremesh-likeconnectivity,willbethe developmentandutilizationofadvanced AIfunctionality.Thiswillenablethenetwork toevolveandadaptovertimetonewrequire- mentsandchangesintheenvironment. Operationabove100GHzwillenable terabit-per-seconddatarates,although onlyfortrulyshort-rangeconnectivity. Therearecurrentlyimplementation challengesforthisfrequencyrange,such ashowtogeneratesubstantialpowerand theheatdissipation,consideringthe inherentlysmalldimensionsofthe components,includingantennas.The extensiontohigher-frequencyoperation anduseofbeam-formedtransmissionswill enableenhancementsinspectrumsharing. InthehigherlayersofRANsandcore networks,theevolutiontowardcloud- nativeimplementationandautomation continues.Networkinterfacesaremoving awayfromtraditionalpoint-to-point interfacestowardmoreservices-based applicationinterfacesdecoupledfrom underlyingtransportconnections. Cloud-nativeimplementationofstateless networkfunctionsuseexternalcontext storageforredundancyandcontext managementfordifferentevents, suchascontextrelocationwhenmobile. Beyondtheprimarytaskofproviding wirelessconnectivity,theradio-access infrastructurewillalsobecapableof deliveringotherservices.Thisisalready happeningtoday,inpart,withtheintroduction oflocation-basedservicesasacomplement toGPS.Thecombinationofhigh-frequency bandnetworksanddensedeploymentswill makeitpossibletodramaticallyenhance theaccuracydowntosub-meterlevel. Otherserviceexamplesincludetime synchronization,time-sensitivenetworking, thecollectionofcomplementary informationaboutlocalweather conditionsandthecreationofradar-like scansoftheenvironment. TREND#5: SECURITYASSURANCE Theneedforprotectionandassurance (orevencompliance)isgrowingrapidly asbusinessandsocietyincreasinglyrely onuniversalconnectivityandcompute. Today,thereisintenseactivitytoexplore thepotentialofAIandMLtoprotectsystems andnetworks.Thereislarge-scale adoptionofthesetechnologiesinareas suchasnetworkthreatdetectionand threatintelligenceextraction,whileother areassuchascontinuousauthentication appearlessmature.WhileAItechnologies canprovideawiderangeofbenefits,itis importanttonotethattheycanalsobe usedbyadversariestofindavenuesof attackthatspecificallytargetMLsystems. Intheseautonomousnetworks,security assuranceproceduresplaytheimportant roleofverifyingsecuritypropertiesofthe networkplatform.Onechallengeliesinthe networkarchitectures,basedoncloud
  • 6. 11 OCTOBER 8, 2019 ✱ ERICSSON TECHNOLOGY REVIEWERICSSON TECHNOLOGY REVIEW ✱ OCTOBER 8, 2019 12 ✱ CTO TECHNOLOGY TRENDS 2019 CTO TECHNOLOGY TRENDS 2019 ✱ Muchmorecost-efficientthanspecialized ordedicatednetworksolutions,thenetwork platformisclearlythemostaffordable solutiontoaddresssociety’sneedsacross thespectrumfromhuman-to-humanto human-to-thingandthing-to-thing communication.Oneofitsmajor advantagesisthatitisavailablethrough anopenmarketplacethatisaccessibleto anyone,anywhere,atanytime. Themultipurposenetworkisrapidly emergingasasecure,robustandreliable platformwhereapplications,processes andothertechnologiescanbedeveloped, deployedandmanaged.TheInternetof Skillsandcyber-physicalsystems– trends1and2–areimportantexamples ofusecasesthatitneedstosupport. Akeycharacteristicofthefuture networkplatformwillbeitsabilityto instantaneouslymeetanyapplication need,anytime.Fourtechnologyareas– trends3-6–areplayingcriticalrolesinits ongoingevolution:distributedcompute andstorage,ubiquitousradioaccess, securityassuranceandzero-touch networks. Self-drivingvehicles,intelligent manufacturingrobotsandreal-timedrone controlarejustafewexamplesofthe myriadofwaysinwhichthemultipurpose networkisenablingtheautomationofthe physicalworldand,ultimately,thecreation ofasustainablesocietyofthefuture. CONCLUSION ◆ As Group CTO, Erik Ekudden is responsible for setting the direction of technology leadership for the Ericsson Group. His experience of working with technology leadership globally influences thestrategicdecisionsandinvestmentsin,forexample,mobility,distributedcloud,artificialintelligence andtheInternetofThings.Thisbuildsonhisdecades-longcareerintechnologystrategiesandindustry activities.EkuddenjoinedEricssonin1993andhasheldvariousmanagementpositionsinthecompany, including Head of Technology Strategy, Chief Technology Officer Americas in Santa Clara (USA), and Head of Standardization and Industry. He is also a member of the Royal Swedish Academy of Engineering Sciences and the publisher of Ericsson Technology Review. ERIK EKUDDEN SENIOR VICE PRESIDENT, CHIEF TECHNOLOGY OFFICER AND HEAD OF GROUP FUNCTION TECHNOLOGY No other technology in the world today can provide pervasive global coverage on a scale comparable to that of the network platform, and it is my firm belief that it is ideally suited to serve as the innovation platform for both current and future applications. The technology evolution characterized by this year’s trends points toward the future definition of 6G.