OSGi World Congress 2004

1. © copyright 2004 by OSGi Alliance All rights reserved.
“Home Service Harmony", Home Service Control
Platform based on the OSGi Framework
Masanori Ogawara, NTT Corporation

2. © copyright 2004 by OSGi Alliance. All rights reserved.
Outline
• Background
• Service concept
• Home Service Harmony
• Prototype system
• Summary

3. © copyright 2004 by OSGi Alliance. All rights reserved.
Background
Internet
ADSL
FTTH
Server
Home
gateway
STB
Sensor
DB
Access
network
WAN Home network
Storage
Wireless
LAN
Home network model

4. © copyright 2004 by OSGi Alliance. All rights reserved.
Home service concept
• Present services offered by using
several appliances
– Ex. video phone (TV monitor, video
camera, microphone, speaker, network
bandwidth, phonebook)
• Human-oriented control between
different services
– Ex. changing devices, service-styles, etc.

5. © copyright 2004 by OSGi Alliance. All rights reserved.
Home network service example
Home #1 Home #2
HGW HGW
video
audio
video
audio
Video phone service
Internet

6. © copyright 2004 by OSGi Alliance. All rights reserved.
Context analysis
1F Living
schedule
Environment
Communication
peer Location Preference
Various contextual information
Age: 40
Home: Tokyo
Hobby: AV
profile

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Context change in multi-service
Phone call Time
Video phone
TV
Baby monitoring
Change
TV program
Baby
crying
Servicepriority
Audio/visual
communication
service
Phone call
TV
Baby monitoring

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Situation: While watching TV, video phone rings...
1. Procedures to manually control
and change services are
complicated and different every
time.
2. Desired action depends on
contexts.
3. Service mediation, based on
network and hardware
resources, is not sufficient.
Problems in multi-service

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Preferable service mediation
Concurrent services
Single offer
Exclusive service
(c) Change
device
(d) Change
service-style
(a) Pause
lower-priority
service
(b) Resize
window
Most suitable mediation is not always the same!

10. © copyright 2004 by OSGi Alliance. All rights reserved.
Home Service Harmony
a home network service composition
and mediation platform.
mediates between services for human-
oriented control.

11. © copyright 2004 by OSGi Alliance. All rights reserved.
Requirements of Home Service Harmony
• Service composition, using functions of
various appliances
• Reduction in user operation/configuration
• Generalized control algorithm enables
addition of new services dynamically
• Administration of the appliances in the home
network
• Administration of the services in the home
network
• ･･･

12. © copyright 2004 by OSGi Alliance. All rights reserved.
Key technologies
• Administration of resources and services
• Modeling of the user's capacity to access
a service

13. © copyright 2004 by OSGi Alliance. All rights reserved.
Administration technology
Service
manager
Service #1 Service #n
Resource
manager Resource #1 Resource #n
OSGi service platform
monitoring
access
Resource
allocation
information
Resource
allocation
Real
resource
Real
resource

14. © copyright 2004 by OSGi Alliance. All rights reserved.
Resource manager
manages home network resources
forces services to keep a resource
allocation.
TVA
Resource
manager
100TELBService n
…
70TVAService 1
TELB
Resource allocation database
Resource Resource

15. © copyright 2004 by OSGi Alliance. All rights reserved.
Service manager
Controlling resource allocation to services based
on information such as:
- resource information
- requirement and priority of services
- user and environmental contexts
Service
manager
Service #1 Service #n-1 Service #n
Resource allocation

16. © copyright 2004 by OSGi Alliance. All rights reserved.
Modeling of user capacities
Watch video TelephoneWatch video
user's ability to access the service,
such as hearing, seeing and speaking capacities
Human-oriented control
Introduce new type of resources (user resources)

17. © copyright 2004 by OSGi Alliance. All rights reserved.
Prototype configuration
HGW
HGW
AV controller/
video library
Telephone
Internet
RF tag
SW
AV controller
Telephone
Private room
Living room
SW
Private room
Living room
Telephone
Telephone
AV
controller
AV controller
RF tag
RFID
Receiver
RFID
Receiver
RFID
Receiver
RFID
Receiver
SIP
server
Home #1 Home #2

18. © copyright 2004 by OSGi Alliance. All rights reserved.
Services in prototype
• TV service
• Video on demand service
• Video transfer service
• Audio service
• IP telephone service
• Door phone service
• Basic home security service

19. © copyright 2004 by OSGi Alliance. All rights reserved.
Demonstration video

20. © copyright 2004 by OSGi Alliance. All rights reserved.
Summary
• Home Service Harmony is a home
network service composition / mediation
platform that mediates between services
for a human-oriented control.
– Introduction of user resources
– Administration of services and resources
• Next step in Home Service Harmony
– Learning and recording user’s actions

21. © copyright 2004 by OSGi Alliance All rights reserved.
Thank you. Any Question?