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© 2017 – The symbIoTe Consortium
Mario Kušek, Pavle Skočir
University of Zagreb, FER
Internet of Things Laboratory
Connecting OpenHAB2 to
symbIoTe ecosystem
22nd November 2017, Zagreb

© 2017 – The symbIoTe Consortium2
OpenHAB 2
• software for integrating different home
automation systems
– vendor-neutral as well as hardware/protocol-agnostic
– can run on any device that is capable of running a JVM
(Linux, Mac, Windows)
– has a powerful rule engine to fulfill all your
automation needs
– comes with different web-based UIs as well as native
UIs for iOS and Android
– maintained by a passionate and growing community
– easily extensible to integrate with new systems and
devices
– provides APIs for being integrated in other systems

OpenHAB 2 – concepts
• Things
– entities that can be physically added to a system
– do not have to be devices
• can represent a web service or any other manageable source of
information and functionality
– provide their functionality through a set of channels
• Items
– represent (fine-grained) functionality that is used by
applications
• e.g., a user interfaces or automation logic
– items have a state and they can receive commands
• Links
– glue between things and items
– associations between exactly one thing channel and one
item

H2020 project
symbIoTe
https://www.symbiote-h2020.eu
@symbiote_h2020
Grant Agreement No 688156

• Increase of connected smart devices
• Estimated growth of IoT business
• Vertical, specialized IoT platforms Þ barriers
• Need for cross-domain apps
– Strategic partnerships, economies of scale, etc..
• Collocation of platforms Þ inefficiencies
• Maintenance of e2e solutions Þ market barriers
• Will a single standard/
technology/ protocol prevail?
IoT landscape & Motivation

• symbiosis of smart objects across IoT environments
• interoperability and mediation framework
• aims at the collaboration of vertical IoT platforms
towards the creation of cross-domain applications
The symbIoTe Approach

Layered Approach for Interoperability
Level 1 (L1)
Level 2 (L2)
Level 3 (L3)
Level 4 (L4)
Application Domain
Cloud Domain
Smart Space Domain
Smart Device Domain
L1
L2
L3
L4

• Universal light switch on your mobile phone
– … switch on/off
the lights wherever you go
(at home, in the office,
in public spaces…)
– … but of course,
only if you are
allowed to do so ;-)
A simple interoperable IoT app

Interoperable system
IoT
Platform A
IoT
Platform B
Temperature
sensor “X” at
coordinates
(… , …)
“Room A
Temperature”
service of room
at building “Z”

High-level Architecture
Android
iOS
Web-app

symbIoTe’s Approach to InteroperabilityCore Services
Core Services
Platform Cloud Platform Cloud
Mobile/Web App
Platform Cloud
Core Information Model (CIM) with
Extensions
• supports symbIoTs’s CIM defining
the core concepts (sensor,
actuator, service, etc.)
• predefined Best Practice
Information Model (BIM)
• validates Platform-specific Info
Models (PIM) extending CIM
1: search
2: resource access
2: resource access
symbIoTe’s Interoperability
Components
• RESTful OData-like interface for
secure access to platform
resources
• use JSON if BIM is sufficient for
resource description
• otherwise define PIM using RDF

Level 1 Components
Core ServicesPlatform Cloud
Resource
Access
Proxy
Registration
Handler
Authentication and
Authorization
Manager (AAM)
Resource
Access
Proxy Plugin
Interworking Interface
Registry
Search
Engine
Core Authentication and
Authorization Manager
(Core AAM)
Semantic
Manager
Core Resource
Monitor
(Core RM)
Core Resource
Access Monitor
(Core RAM)
Administration
Core Interface
Cloud-Core Interface

• Open source
implementation
from day 1
– distributed team
– 20 contributors
– agile-like approach
• Ready-to-use
components
– get integrated with
existing platform
components extending
their features
• Microservice architecture
for flexible integration
and scalability
– App and Cloud Domain
Implementation process
https://github.com/symbiote-h2020

Technologies and Licenses
Eureka
LGPL-3.0 license
BSD-3-Clause
Core ServicesPlatform Cloud

Demo
symbIoTe core
symbIoTe cloud
HTTP
HTTP
HTTP
USB
serial
ZigBee
HTTP
HTTP

DEMO
symbIoTe
Mario Kušek
Grant Agreement No 688156
https://www.symbiote-h2020.eu
http://www.iot.fer.hr/
MarioKusek
Mario Kušek
Pavle Skočir
PavleSkocir
Pavle Skočir

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