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A Modular Open Source Platform for IoT
1. A
Modular
Open
Source
Pla1orm
for
Web
Scale
IoT
Interoperability
Michael
J
Koster
Open
Source
Internet
Of
Things
IoT
Toolkit
2. IoT
Web
Pla1orm
Features
• Interoperability
–
Any
ApplicaCon
to
Any
Connected
Thing
using
Any
M2M
Protocol
• Data
Models
drive
discovery
and
linking
• Event
driven,
modular
applicaCon
soJware
• Web
Programming
Model
• Internet
and
Web
Standards
• Web
and
Mobile
UI
hosCng
3. IoT
2.0
–
Interoperability
M2M
CoAP
M2M
MQTT
M2M
SOA
M2M
HTTP
Smart
Object
API
IoT
Toolkit
Discovery
ApplicaCons
• Web
Objects
• REST
+
Event
Model
• M2M
Abstrac9ons
• Model
Driven
Connected
Things,
Sensors,
Actuators,
Data
Sources
Models
• Any
app
to
any
thing
via
any
M2M,
use-‐
case
decides
M2M
• Easy
to
deploy
new
things
and
applicaCons
using
data
models
• Write
once,
run
anywhere
soJware
• Network
effect
enabled
4. IoT
Interoperability
• Ability
to
reuse
and
repurpose
resources
• Choice
of
suitable
M2M
protocols
• Reusable
soJware
components
• Ease
of
integraCng
data
from
diverse
sources
• Common
pla1orm
across
use
cases
• Diverse
UI
pla1orms
• Data
models
enable
machine
understanding
independent
of
M2M
protocols
5. RDF
SemanCc
and
Protocol
Interoperability
• Separate
Control
Plane
and
Data
Plane
– Common
Data
Models
Enable
Diverse
M2M
Protocols
Between
Smart
Objects
• Any
Original
Catalog
or
SemanCc
Format
– Smart
Object
stores
RDFModel
Format,
translates
others
using
a
SemanCc
Proxy
• ApplicaCons
see
one
API
– With
suitable
metadata
representaCon
SSN
TSB
IPSO
SemanCc
Proxy
RDF
Any
M2M
Protocol
Anywhere
Common
Data
Models
Catalogs,
Diverse
Metadata
Smart
Object
API
ApplicaCon
Smart
Object
API
ApplicaCon
6. Open
Source
IoT
Components
• Open
Source
Components
Becoming
Available
– IoT
Toolkit
–
REST
API
+
Data
Models
+
Events
– Node-‐RED
–
Graphical
ApplicaCon
Tool
– Dojo
UI
Toolkit
–
UI
tools
– MosquiYo
MQTT
Broker
and
Client
– RDFlib
with
SPARQL
–
Graph
storage
– Neo4J
Graph
Database
– CoAP
Clients
and
Servers
• Sufficient
to
build
a
complete
Pla1orm
Stack
• Components
allow
ApplicaCon
soJware
to
run
in
Local
Server,
Gateway,
and
Cloud
Service
7. Model-‐View-‐Controller
Macro
PaYern
IoT
Feedback
Control
Loops
• Autonomic
and
cyberneCc
feedback
loops
• People’s
intenCons
take
part
in
the
cyberneCc
feedback
loop
Model
View
Controller
Informs
Updates
Informs
Actuates
Autonomic
Feedback
Loop
CyberneCc
Feedback
Loop
8. Model-‐View-‐Controller
Macro
PaYern
Mapping
to
Open
Source
SoJware
Components
• Model
– Object
Models,
Data
Models
– Storage,
Discovery,
Formats,
Protocols,
Binding
to
Objects
• Controller
– Complex
Flow
Graphs
of
Event-‐driven
modular
SW
– Python
and
node.js
• View
– UI
Toolkit
For
ApplicaCons
– Binding
of
UI
Components
to
Smart
Object
ProperCes
IoT
Toolkit
Node-‐RED
Dojo
Dashboard
Node
Builder
IPSO
TSB
SSN
Catalogs
and
Repositories
Sensors,
Things,
MQTT,
CoAP,
HTTP
REST
API
+
Events
HTML5,
Mobile
Web
• Resource
Discovery
and
Linkage
• Builds
Smart
Object
Nodes
• Manages,
stores
Flow
Graph
9. ApplicaCon
Development
Workflow
IPSO
TSB
SSN
Data
Models
and
Catalogs
Node
Builder
Node-‐RED
Dashboard
Model
Controller
View
• Discovers
Resources
• Makes
Object
Instances
• Builds
Applica9on
Flow
Graphs
• UI
Construc9on
10. Run
Time
Deployment
Example
TSB
SSN
IPSO
Data
Models
and
Catalogs
HTTP/LD
Node-‐RED
Node-‐RED
CoAP/RD
HTTP
HTTP
+
MQTT
CoAP
HTTP
CoAP
HTTP
Local
Control
Gateway
Personal
Service
IoT
Provider
UI
Devices
Gateway
as
a
Service
IoT
Toolkit
IoT
Toolkit
IoT
Toolkit
CoAP
CoAP
