Post on 23-Mar-2020
Architecting the Internet of Things
Prof. John R. WilliamsMIT Auto-ID Laboratory
Global Network
• Identity of things – Identity of things – What happens when we know where everything
is?• Software Trends
– Security on Internet (need new tools)– Change happens (build for CLEMSS)– Services – Memo
Billions of Things
Google and RFID
• AdWords – Anyone can buy and sell anything $6 billion revenue on 50c per transaction – Match search query with 100,000s marketers
intentions most profitable Advert to display• Eric Schmidt – Match every single item in
the world to a buyer
Integrating Information to Provide New Services
EPC Code +
Image Data +
CAD Data +
POS Data +
…
RFID Network• Network above EPCIS layer – Building Simulator• Business ROI from Events and Information Integration
EPCMiddleware
Secure InternetExchange
ONS
EventRegistries
Search andDiscovery
Private Network Private Network
EPC IS
EPC Readers
Internal Systems
(ERP, WMS, etc.)
EPCMiddleware
EPC IS
EPC Readers
Internal Systems
(ERP, WMS, etc.)
Auto-ID Labs RFID Network Simulator
Manufacturer
Freight Forwarder
Shipper Border Crossing
Distribution Center
RetailerRetailer
RFID Network Simulator
Realm Network
Application LayerBusiness Information Analytics
Distribution Center
EPCIS
Retail Store
EPCIS
Manufacturer
EPCIS
Shipper
EPCIS
NetworkServices
ONS
Discovery
Coordination
Registration
Realm Network
Coordinator
Maps
Issues
• Security– Confidentiality– Integrity– Authentication (often combined with Access control)– Non Repudiation (often combined with Authentication)
• Scalability and Robustness– O(N) desirable (Google in memory caching approach)– Managing Change (Interfaces, Schema…)
• Knowledge Management – Semantics - Problem of Meaning eg <ShippingDate>– Information Overload– Human Cognitive Limits