i minds2009 future networks prof piet demeester (ibbt ibcn u gent)
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Future Networks
Piet Demeester
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Internet: its basic functionality
How to find a destination ?
How to transfer information ?
Routing Table
189.123.0.0 X
193.191.0.0 Y
X
Y Z
DNS
www.ibbt.be 193.191.148.49
IP-address (D)
193.191.148.49
D
BGP
Network of Networks
Packets
(typ. 1500 byte)
Best Effort
OSPF
Routing
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Internet
IPTV
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Internet: the IP hourglass
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General Trends
Traffic
Users
Information
Content
Devices
Applications
Energy
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TRAFFIC: Increase is Consumer Driven
Traffic doubles every 2 years
Consumer traffic: 75% of total traffic Source: Cisco
10,0
00 P
Byte
/Month
= 3
0 T
bit/s
ec
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TRAFFIC: Video will be the Key Driver
Source: Cisco
Consum
er In
tern
et T
raffic
Video “streaming” (very large transfers)
Bitrate / stream will increase (better quality)
3D, multiple views, bidirectional, immersive, …
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TRAFFIC: Video Bitrate Increase
4K
2K
HD2
HDTV
HDV
4K2
2K2
8K
Consumer HD
HDTV
Stereo HD
Digital Cinema
Stereo 4K (future)
UHDTV
5 - 25 Mbps
20 Mbps - 1.5 Gbps
200 Mbps - 3 Gbps
250 Mbps - 7.6 Gbps
500 Mbps - 15.2 Gbps
1 - 24 Gbps
More
SHD SHD (Quad HD) 250 Mbs - 6 Gbps
Sourc
e: w
ww
.Cin
egrid
.org
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TRAFFIC: Video Examples
3D video
Immersive video
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INFORMATION: Worldwide Growth
Source: www.emc.com
Kilo: k = 103
Mega: M = 106 Giga: G = 109
Tera: T = 1012 Peta: P = 1015
Exa: E = 1018
Zetta: Z = 1021
How to store, distribute, filter and preserve ?
How to find useful information in a distributed environment ?
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END DEVICES: Personal
How to access, coordinate, preserve, secure, …
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END DEVICES: Embedded
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Artificiële retina
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USERS: Worldwide Growth of Mobile
Connecting the world
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ENERGY
Footprint ICT:
4% of primary energy today
8% of primary energy by 2020
26
28
22
40
40
Power Consumption (GW)
Data centers PCs
Network Equipment TVs
Others
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Competences
Converged Infrastructures
Converged Networks
Fixed Mobile Sensor
User
Application Domains
Interaction Personalized
Services Content
Techno Economics
Green & ICT
Quality
(QoL, QoE, QoS)
Fundamental
Research
Experimental
Verification
Service platforms
Distributed Software
Management platforms
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Outline
Converged Infrastructures
Converged Networks
Fixed Mobile Sensor
User
Application Domains
Interaction Personalized
Services Content
Techno Economics
Green & ICT
Quality
(QoL, QoE, QoS)
Fundamental
Research
Experimental
Verification
Service platforms
Distributed Software
Management platforms
Symbiotic
Networks
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Multitude of access technologies
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Example in Home/Office
Different independent co-located wired/wireless networks
Multi-radio devices (Software Defined Radio)
© Bitwave Semiconductor IMEC
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Challenges
Better connectivity / less interference
Improved scalability and flexibility
Better QoS/QoE guarantees
More efficient use of scarce/underutilized spectrum
More efficient energy consumption
Lower radio emissions (green radio)
New & advanced cross-network services
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Different co-located wired/wireless networks ...
... with symbiotic networking capabilities
Symbiotic networking
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Symbiotic networking
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iLab.t: Wireless Test Lab
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200 Nodes
Wireless LAN
Sensor networks
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iLab.t: Exposure assessment
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Outline
Converged Infrastructures
Converged Networks
Fixed Mobile Sensor
User
Application Domains
Interaction Personalized
Services Content
Techno Economics
Green & ICT
Quality
(QoL, QoE, QoS)
Fundamental
Research
Experimental
Verification
Service platforms
Distributed Software
Management platforms
Autonomous
Networks
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Converged Infrastructure
Network (IP)
Transport (Optical)
Computing
Storage
Information
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Challenges
Connectivity of billions of end systems (terminal, interface,
sensor, server, …) with fixed or wireless access
Transfer of enormous amounts of information (files, streams, messages, …)
QoS/QoE (bandwidth, delay, jitter, …, perception, …)
Infrastructure: not only network but also integrated storage
and computing resources
Sustainable, reliable, scalable, (re-)configurable, …
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Autonomous networking
Global framework for autonomic
networking
Resource optimization
QoE management
Self Learning
Autonomic components
Admission control
Content adaptation
Caching & Buffering
Quality switching
…
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Sustainable
Investigate
alternatives for
complex PC simple and fast “wake
up” and usage
adaptive modes of
network and clients
Power adaptive netw.;
guarantees always
basic communication adaptive control of
components based on
communication
requirements
High sharing ratio of
servers; Economy of
scale & industry based
Highly efficient power
adaptive processing
Virtualization
Energy management
solutions e.g. controlled
link capacity NG servers + ECO data
centre architecture
Virtualization
Access
Network
IP / OPTICAL
Core Network
ECO - Server Efficient Clients and
home networks
Cloud Computing, I/SaaS, P2P, content replication, …
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iLab.t : Virtual Wall
100 nodes
500 interfaces
> 1 Tb/s switch
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Outline
Converged Infrastructures
Converged Networks
Fixed Mobile Sensor
User
Application Domains
Interaction Personalized
Services Content
Techno Economics
Green & ICT
Quality
(QoL, QoE, QoS)
Fundamental
Research
Experimental
Verification
Service platforms
Distributed Software
Management platforms
Personalization
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Application
Network
Device
Content
How to support “My Applications”
How to build “My Network”
How to access “My Content”
How to feed “My Interface”
How to sense “My Context”
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A self-organizing virtual overlay network
distributed groups of nodes deploying ad hoc networking techniques
Personal
both in terms of networking and applications and services
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Scalable content management
Index and search functionality
P2P overlay network ( DHT)
Scalable content search
Caching mechanisms for search results
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Context model example based on ontologies (OWL)
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Outline
Converged Infrastructures
Converged Networks
Fixed Mobile Sensor
User
Application Domains
Interaction Personalized
Services Content
Techno Economics
Green & ICT
Quality
(QoL, QoE, QoS)
Fundamental
Research
Experimental
Verification
Service platforms
Distributed Software
Management platforms
Smart Grid, Media
Production, eHealth,
Personal recommendation
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Conclusions
Converged Infrastructures
Converged Networks
Fixed Mobile Sensor
User
Application Domains
Interaction Personalized
Services Content
Techno Economics
Green & ICT
Quality
(QoL, QoE, QoS)
Fundamental
Research
Experimental
Verification
Service platforms
Distributed Software
Management platforms
TIGER