Transcript Context-Aware & Yet Another service

UBICOMP2002
W7: Security in Ubiquitous Computing
Context-Aware & Yet Another service
Hiromitsu Kato
[email protected]
Systems Development Lab.
Hitachi, Ltd.
Contents

Our Future Vision
–

System concept, AYA
–
–

Autonomous networking idea over Super Distributed
Objects
Town Management Application
Security Issues
–
–

Super Distribution and Coordination
Agility and Fragility
Direct access
Our attempts
–
–
–
Secure Tele-operation Protocol
Ongoing works
Demo video
Copyright (C) 2002 Systems Development Laboratory, Hitachi, Ltd., All Rights Reserved.
2
Contents

Our Future Vision
–

System concept, AYA
–
–

Autonomous networking idea over Super Distributed Objects
Town Management Application
Security Issues
–
–

Super Distribution and Coordination
Agility and Fragility
Direct access
Our attempts
–
–
–
Secure Tele-operation Protocol
Ongoing works
Demo video
Copyright (C) 2002 Systems Development Laboratory, Hitachi, Ltd., All Rights Reserved.
3
Future Vision


SuperHome/Office
Distributed Intelligence
Industry
-Borderless operation: Appliances
-Virtual line: Line organization
Ubiquitous
accessible Networking
from everywhere
according to individual product
-Cooperative energy saving:
Appliances autonomously work
together for peak power shift
-Channel Assembly: Product
customization in logistics
-Recycling: Classification based on
specification and used history
e-Life(Human Body)
-Wearable Tools: Digital fabrics,
computer ring, and other information
tools receive various services such
as safety, entertainment, business,
etc.
-Silicon Surgeons: Robots travel
through body and monitor the health
problem.
Copyright (C) 2002 Systems Development Laboratory, Hitachi, Ltd., All Rights Reserved.
Transportation
-Smart ways: Roads memorizing
accidents and advising safety
drive
-Smart cars: Cars cooperatively
driving with each other to reduce
accidents and improve traffic
speed and density
4
Paradigm Shift

From “Resource-Centric” to “User-Centric”
Super Distribution
Past
I like…
Resource
Please
give me…
Java
-Context-aware
-Resource distributed
-Logic-aware
-Resource centered
Are the clients satisfied?
Servants for human and society.
Copyright (C) 2002 Systems Development Laboratory, Hitachi, Ltd., All Rights Reserved.
5
Contents

Our Future Vision
–

Basic concept, AYA
–
–

Autonomous networking idea over Super Distributed
Objects
Town Management Application
Security Issues
–
–

Super Distribution and Collaboration
Agility and Fragility
Direct Access
Our attempts
–
–
–
Secure Tele-operation Protocol
Ongoing works
Demo video
Copyright (C) 2002 Systems Development Laboratory, Hitachi, Ltd., All Rights Reserved.
6
Basic Concept



AYA: context-Aware & Yet Another
service
綾(AYA): A twill weave, a fabric with
a twill weave
Towards the woven and twilled
intelligence system
–
–
The warp = Connection between
Information and physical presence
The woof = Link between physical
presences
Copyright (C) 2002 Systems Development Laboratory, Hitachi, Ltd., All Rights Reserved.
[Nishijin brocade]
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Target Application

Town Management Support System
–
Goal:


–
Area value augmentation
Creating a real-world portal site attracting many
people to come, by using IT
Requirements

Service is highly situation-dependent
–


Various users, events, timing, devices, …
Service consistency support
…and more…
Copyright (C) 2002 Systems Development Laboratory, Hitachi, Ltd., All Rights Reserved.
8
Contents

Our Future Vision
–

Basic concept, AYA
–
–

Autonomous networking idea over Super Distributed Objects
Town Management Application
Security Issues
–
–

Super Distribution and Collaboration
Agility and Fragility
Direct access
Our attempts
–
–
–
Secure Tele-operation Protocol
Ongoing works
Demo video
Copyright (C) 2002 Systems Development Laboratory, Hitachi, Ltd., All Rights Reserved.
9
Security Issue (1)

Easy come, easy go
–
–
–
Flexibility is likely to lead to fragility
The malicious user would easily realize the DoS
(Denial of Service) attack.
Even the normal users could interrupt the service
for another person.
Copyright (C) 2002 Systems Development Laboratory, Hitachi, Ltd., All Rights Reserved.
10
Security Issue (2)

Ubiquitous direct access
–
–
The firewall cannot always be a premise in the
ubicomp environment.
Self-protection is needed. But, how?
Copyright (C) 2002 Systems Development Laboratory, Hitachi, Ltd., All Rights Reserved.
11
Contents

Our Future Vision
–

Basic concept, AYA
–
–

Autonomous networking idea over Super Distributed Objects
Town Management Application
Security Issues
–
–

Super Distribution and Collaboration
Agility and Fragility
Direct Access
Our attempts
–
–
–
Secure Tele-operation Protocol
Ongoing works
Demo video
Copyright (C) 2002 Systems Development Laboratory, Hitachi, Ltd., All Rights Reserved.
12
Our first idea

Operation-Privilege (O.P.) Management
–
–
–
Remote Controller (RC) Metaphor
Device access is allowed after acquiring the RC.
Malicious access can be stopped by taking away
the RC.
Copyright (C) 2002 Systems Development Laboratory, Hitachi, Ltd., All Rights Reserved.
13
Secure Tele-operation Protocol

Three-tier model approach
–
The secure procedure is arranged as the STP spec.
External system
Remote Operator’s
Terminal
Remote Operator’s
Terminal
Requester
Internal system
STP server
Ｐ
UHA
O.P.
OHA
UHA
(User-Hosting Agent)
OHA
Operation target
Operation target
(Object-Hosting Agent)
Mediator
Copyright (C) 2002 Systems Development Laboratory, Hitachi, Ltd., All Rights Reserved.
Provider
14
Ongoing works


Three-tier model is a firewall approach. Not
suitable for ubiquitous direct access
environment.
Some ongoing works
–
Embedded STP

–
Adapter dispatch approach

–
Each active device would have the STP server functions
for self-protection.
O.P. mgt. with secure manager and adapter dispatch
Privacy policy handling

O.P. transfer vs. Privacy transfer
Copyright (C) 2002 Systems Development Laboratory, Hitachi, Ltd., All Rights Reserved.
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Sample Application Scenario

Smart Town Navigation Demo [Video]
Station
Home/Office
Shopping Mall
Copyright (C) 2002 Systems Development Laboratory, Hitachi, Ltd., All Rights Reserved.
Theater
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Standardization Activity

SDO SIG is organized in OMG
–
–

SDO = Super Distributed Objects
Members: U. of Tokyo, Hitachi SDL, FhG/FOCUS,
UC Irvine/NTT, …
RFP had issued in Feb 2002
–
–
–
“PIM and PSM for SDO”
For the unified management model for devices
and related software agents
First submission in Oct 2002

From tomorrow(!), it will be discussed in Helsinki…
Copyright (C) 2002 Systems Development Laboratory, Hitachi, Ltd., All Rights Reserved.
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Summary



Vision: Super Distributed World
AYA: Enabling the surrounding embedded
systems to support for human life flexibly
Security issues
–
–
–

Fragility problem about ad-hoc systems
Ubiquitous direct access
…
Our trials
–
OP Mgt., STP, Adapter dispatch, Privacy, ...
Copyright (C) 2002 Systems Development Laboratory, Hitachi, Ltd., All Rights Reserved.
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Thank you
Q&A: I appreciate if you would speak slowly.