i minds2009 future networks prof piet demeester (ibbt ibcn u gent)
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Future Networks
Piet Demeester
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
Internet
IPTV
Internet: the IP hourglass
General Trends
Traffic
Users
Information
Content
Devices
Applications
Energy
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
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, …
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
TRAFFIC: Video Examples
3D video
Immersive video
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 ?
END DEVICES: Personal
How to access, coordinate, preserve, secure, …
11
END DEVICES: Embedded
12
Artificiële retina
USERS: Worldwide Growth of Mobile
Connecting the world
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
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
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
Multitude of access technologies
Example in Home/Office
Different independent co-located wired/wireless networks
Multi-radio devices (Software Defined Radio)
© Bitwave Semiconductor IMEC
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
Different co-located wired/wireless networks ...
... with symbiotic networking capabilities
Symbiotic networking
Symbiotic networking
iLab.t: Wireless Test Lab
22
200 Nodes
Wireless LAN
Sensor networks
iLab.t: Exposure assessment
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
Converged Infrastructure
Network (IP)
Transport (Optical)
Computing
Storage
Information
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, …
Autonomous networking
Global framework for autonomic
networking
Resource optimization
QoE management
Self Learning
Autonomic components
Admission control
Content adaptation
Caching & Buffering
Quality switching
…
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, …
iLab.t : Virtual Wall
100 nodes
500 interfaces
> 1 Tb/s switch
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
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”
32
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
Scalable content management
Index and search functionality
P2P overlay network ( DHT)
Scalable content search
Caching mechanisms for search results
34
Context model example based on ontologies (OWL)
35
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
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
