integration of 5g and blockchains - budapest university of...
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1Budapest University of Technology and EconomicsDepartment of Measurement and Information Systems
Budapest University of Technology and EconomicsFault Tolerant Systems Research Group
Integration of 5G and Blockchains
Kocsis Imre, [email protected]
BME, 5G Technológia Workshop
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Blockchain@BME MIT Prof. András Pataricza: IBM Faculty Award
2016, cooperation with Duke University
L. Gönczy: Summer internship at the Linux Foundation – mentorOn-chain Business Process Management
Course: “Blockchain technologies and applications” (coming next spring)
Linux Foundation Hyperledger fabric: performance characterization and modelling
Cooperation: Prof. Miklós TelekDept. of Networked Systems and Services (HIT)
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A new approach to business transactionsCentralized Blockchain-based ledger
Trusted 3rd party
Shared, distributed
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Blockchain, smart contracts
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Properties Ledger: immutable Tx log; not
(just) cryptocurrency!
Smart contracts: programmed Tx logic over ledger state
Shared: across participants
Distributed: replication
Cryptographically authentic: non-repudiable (secure identities), tokenization, signed Txs
Trust: fault/attack tolerant group consensus
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Basic transaction logic
Client request
Order, contract exec result, acceptance: consensus
All ledgers updated
Batch processing < Blockchain latency < hard real-time
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An emerging sector
Enterprise, permissioned
Open/permissionless, cryptocurrency
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VAS
5G: EnablerVAS!
(5G Enablement)
Core5G
5G in Blockchain use casesM2M, D2D, automation, edge
Ubiquitous connectivity, IoT, identity, A&A
Software updates, calibration (latency!)
Guaranteed latency, reliability; edge, NFV
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Multiple ledgers
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Blockchains in Cyber-Physical Systems Cyber-Physical Systems
o Distributed sensing and controlo Cloud-attached, fog computingo Systems of systemso Critical services
5G use cases
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Tenant1 Tenant2 Tenant3 Tenant4
DC network
BlockchainDC monitoring,
Monitoring as a Service,Tenant self-service page
DC sensors
MQ, PubSub/DDS,
...
Algorithm as a Service,Weather forecast, ...
Emergency poweroffsMaintenance notifications
...
Overheat alarmsLiveness, temperature aggregates
Notification acceptanceEthereum,
Bitcoin,…
Blockchain as the “control plane”
“Local” peers
BCaaS
Consortium
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Attaching Blockchains to CPS
Function group Function
Configuration management
Reconfiguration
Sensor calibration
SW/firmware updates
Process execution
Critical operations
Aggregated activity logs
Diagnosis Monitoring information
Diagnostic image
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The impact of 5G: powerful enabler In-field Blockchains
o Ubiquitous coverage, low power, D2D
Field-attached Blockchainso Network slicing, edge computing support, mature NFV
Commoditization of CPS and IoTo Field becomes more “just another IP network” – now
with (configurable) guarantees
Time-sensitive/real time Blockchains?
Great potential as core value added service
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The future: in-field Blockchains
Peer1
Blockchain for CPS-B
Signals, objects, situations
Field deviceSensor
Edge & gatewayEdge & gatewayEdge & gateway
Field deviceSensor