seserv dp-workshop
TRANSCRIPT
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© 2010 The SESERV Consortium 1
Design Principles for Future Internet
Socio-Economic Services for European Research Projects
Ioanna Papafili, AUEBGeorge D. Stamoulis, AUEBCostas Kalogiros, AUEBSergios Soursos, ICOMKrzysztof Wajda, AGHBurkhard Stiller, UZH
FIArch workshop,FIArch workshop,Brussels, Belgium Brussels, Belgium
May May 23,23, 20112011
Future Internet Future Internet Architecture GroupArchitecture Group Simple Economic Management Approaches of
Overlay Traffic in Heterogeneous Internet Topologies
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© 2010 The SESERV Consortium 2
Many players acting simultaneously …– Customers/Users– Providers
• ISPs• Application providers• Over-the-top providers• Content providers• …
… with conflicting interests leading to tussles
The Internet Ecosystem: Current and Future
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© 2010 The SESERV Consortium 3
Cross-layer & Cross-player
Physical network
Applications
ISP n
ISP 1
Application users/Customers
ContentProvider
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© 2010 The SESERV Consortium 4
Information Asymmetry ISPs make routing decisions ignoring application
requirements
Applications (e.g. overlays) manage traffic do not take into account underlay characteristics
What is needed?
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© 2010 The SESERV Consortium 5
FI Design Objectives Cross-layer optimization
– Underlay-overlay
Cross-player optimization– ISPs, Content Providers, End-Users
Promotion of mutually beneficial cooperation– Among layers – Among players
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© 2010 The SESERV Consortium 6
FI Design Principles Allow the exchange of information among different
players and layers
Reveal only sufficient information, no critical details
If feasible, enable “All-Win”– Provide incentives to affect stakeholders’ behavior
Clark et al.: Do not dictate the outcome, … permit players to express their preferences
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© 2010 The SESERV Consortium 7
Economic Traffic Managementdeveloped by SmoothIT project (www.smoothit.org)
Employs economic concepts and incentive-based mechanisms to promote collaboration across layers and between players
Target: “All (stakeholders)-Win” situation
ETM Focused on P2P traffic, but…
applies also to CDN traffic, cloud etc.
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© 2010 The SESERV Consortium 8
Conclusion SmoothIT ETM mechanisms implemented as
complements to current Internet architecture
New design principles would allow:– Broader applicability– Richer intelligence– Higher efficiency in
• performance • implementation• scalability
– Lower costs
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© 2010 The SESERV Consortium 9
Thank you for your attention!
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© 2010 The SESERV Consortium 10
Back-up
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© 2010 The SESERV Consortium 11
Generic Design Objectives Genericity
Scalability
Robustness/Stability
Security
Simplicity and Cost-Effectiveness
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© 2010 The SESERV Consortium 12
Challenges of Current Design Principles Address inter-connection aspects inherently in the
design– Inter-connection principle
Allow for more flexible modularization– Modularization principle
Employ locality/proximity information besides pure routing information– Connectionless packet forwarding principle