Design Considerations for Wearable Technology for Sport and Human Performance
HUMAN PERFORMANCE TECHNOLOGY Performance Guide
Transcript of HUMAN PERFORMANCE TECHNOLOGY Performance Guide
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Internet EcosystemsInternet Ecosystemsand Virtualization IssuesPAIK, Eun KyoungFeb. 22, 2010Central R&D Lab KTCentral R&D Lab. KT
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ContentsContents
• Demands for Future Internet• Demands for Future Internet• Internet Ecosystems of the Future • Network Virtualization Issues• Conclusion and Open Discussion• Conclusion and Open Discussion
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Demands for Future Internet
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InternetInternet
• Not Considered When DesignedNot Considered When Designed– Mobility
S it– Security– QoS/QoE– Economic Incentives– …
More and more demands are emerging ith i li ti / iwith various applications/services
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What Future Internet Services Look Like?
• User-CentricCustomized ServiceCustomized Service
• Context-AwareIntelligent Service
• Data-Centric• Data-CentricFast, Easy, and Exact Service
• Hard RealtimeSocial Infrastructure ServiceSocial Infrastructure Service
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Paradigm ShiftParadigm Shift
A single infrastructure provides a single service
A single infrastructure provides multiple servicesA single infrastructure provides multiple services
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Paradigm Shift AvailabilityParadigm Shift Availability• Moore’s Law
– Every 18 months,Computing power doubles while the cost remains the same
• Hwang’s Law– Every 12 months,
Semiconductor memory capacity doublesGild ’ L• Gilder’s Law– Every 12 months,
O ti l fib b d idth t i lOptical fiber bandwidth triplesReversing the role of Computers and Networks
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Speed Gap BetweenSpeed Gap Between Computers and Networks
Source: J. Barroso (2006)
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Reversing the role ofReversing the role of Computers and Networks
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Current Internet vs. Future Internet
Current Internet Future Internet
Application Tech.
Application Tech.
End to End NW of NWs
Internet Internet
Interconnection Network
Federation
End to End NW of NWs
Internet Architecture
InternetArchitecture
Internetworking Protocol (IP)
Transparency
Programmability
Virtualization
NetworkTech.
NetworkTech.
Technology-DrivenComputer Networking
Commercial-DrivenNetworked Computing
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Commercial-Driven Approach ppfor Future Internet
• User-Centric ServicesCustomize Cost, Bandwidth, Speed, …Customize Cost, Bandwidth, Speed, …
• Context-Aware ServicesTake in Location Mobility Time Harm/SafetyTake in Location, Mobility, Time, Harm/Safety,
…D t C t i S i• Data-Centric Services
Fast/Easy/Exact Identification, Fetch, …• Hard Realtime Service
Reduce Transmission latency, Processing delay,Reduce Transmission latency, Processing delay, …
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Demands for Future InternetDemands for Future Internet• Diverse Transfer Modes
– Packet mode, Circuit mode, …
• Precise Identification of• Precise Identification of – Time and Location
• Prompt Response Time
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Internet Ecosystems of the Future
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Four Views of Future InternetFour Views of Future Internet• Social View• Commercial View
T h i l Vi• Technical View• Operational Viewp
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Social View of Future InternetSocial View of Future Internet• Future Social Infrastructure that enables
Social Growth
Need to Support Public/Private Services(e.g., Collaborations, Transportation, Health-care, Education, etc.), , )
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Commercial View of Future InternetCommercial View of Future Internet• Each part of the Internet vies/competes in favour
of their own particular interests – Users– Commercial ISPs– Content/High-Level-Service Providers– Intellectual Property Right (IPR) Holders– Governments
Demands are often contradictory between the players on the ground of the Internetplayers on the ground of the Internet
N d f E tNeed for Ecosystem
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Technical View of Future InternetTechnical View of Future Internet• Different Service networks are demanded
by diverse services/users
Need for Programmable network architecture that can implement any service networks oDefined by Networked Computing Technical StandardsTechnical Standards
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Operational View of Future Internetp
• Ecosystem with Autonomic Managementy g
N d f O ti d M tNeed for Operation and Management– User/Application-Side Operation/Management – Network-Side Operation/Management
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Internet EcosystemInternet Ecosystem• Future Internet as the solution for the tussles over the Internet
– Technically guarantees proper economic incentives according to their contribution
Service DomainUser Domain Infrastructure Domain
Data Domain
Service Provider 2
Service Provider 3
Data Domain
…
Laye
r
End User 1
ServiceProvider 1
Computing Domain
Contents ProviderStorage Provider
tual
izat
ion
LEnd User 2
Provider 1
…Computing Service
Provider 1Computing Service
Provider 2
mm
able
Virt
…
End User 3 …Network Domain
Pro
gram
… Network Provider 1 Network Provider 2
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Network Virtualization Issues
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Network Virtualization IssuesNetwork Virtualization Issues
• Physical/Virtualized Resource Management• Virtualized Network Isolation• Virtualized Network Isolation• Wireless Virtualization • Scope of Programmability• Scalability and Performance• Scalability and Performance• Virtualization Policy• Virtualized Network Provision
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Physical/Virtualized Resource y /Management
• Resource Identification• Resource Location• Resource Discovery• Resource Availability• Resource Availability• Resource Monitoring• Autonomic Management for Resources
– Self-Healing– Self-Configuration– Self-Optimization
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Virtualized Network IsolationVirtualized Network Isolation
• Level of Isolation Between Virtualized Networks to Achieve– QoS/QoE
Security– Security– …
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Wireless Virtualization• Need Different Considerations
– Different Characteristics (Dynamic/Ad-hoc) and Capacity (Bandwidth, CPU, etc.)and Capacity (Bandwidth, CPU, etc.)
• Isolation and Spectrum characteristics• Non-identical Nodes and Node-specific
Propertiesp• End-to-end slicing through wired and
wireless networkswireless networks
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Scope of ProgrammabilityScope of Programmability
• Software Level• Hardware Level• Hardware Level
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Scalability and PerformanceScalability and Performance
• Number of Users• Number of Virtualized Networks• Number of Virtualized Networks• Performance Measurement/ Evaluation
M t iMetricCritical for Commercial DeploymentC t ca o Co e c a ep oy e t
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Virtualization PolicyVirtualization Policy
• Federation• Admission• Admission• Resource Allocation• Economic Incentives
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Virtualized Network ProvisionVirtualized Network Provision
Application
PaaSSaaS
Platform
Infrastructure
PlatformIaaS
Infrastructure
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Conclusion andConclusion and Open DiscussionOpen Discussion
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Future InternetFuture Internet
T h i ll S i ll• Technically– Future Society
Infrastructure over
• Socially– Future Society
Infrastructure overInfrastructure, over which any network service that users
Infrastructure, over which political, economical, social, se ce t at use s
want is available by Networked Computing paradigm
eco o ca , soc a ,and/or cultural activities of new paradigm areComputing paradigm
Programmable Network Architecting
paradigm are supported
Network Architecting is available
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Future Internet FeaturesFuture Internet Features
• Programmable Infrastructure– QoS, Security, Multicast, ...QoS, Security, Multicast, ...
• Autonomic Management h d l• Synchronous & Hard Real-Time
• Theory of Networked ComputingTheory of Networked Computing• Network Science for Social Value
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Internet Ecosystems and yVirtualization Open Discussion
E i i i i f h• Economic incentives are important for the Internet ecosystem
• Will virtualization play a key role of• Will virtualization play a key role of paradigm shift and change the rule of game ?game ?
• Is Network virtualization performance enough for commercial deployment?