Simple Economic Management Approaches of Overlay Traffic in Heterogeneous Internet Topologies European Seventh Framework STREP FP7-2007-ICT-216259 http://www.smoothit.org Information Flows in an Economic Aware Context UZH, DoCoMo, TUD, AUEB, PrimeTel, AGH, ICOM, UniWue, TID Session on Novel Networking andIoanna Papafili, http://nes.aueb.gr Relationship with Applications –Network Economics and Services Lab The Value of Information FlowsAthens University of Economics and Business between Application and Networks FIA Aalborg, May 10, 2012
The SmoothIT project - Economic Traffic Management (ETM)• Context: SmoothIT focused on overlay application and p2p – Addressed the Information Asymmetry problem• Concept: ETM employs mechanisms addressing the incentives of players – They are compatible to users’ benefit, but also function complementarily to the self-organization of the overlay• Objective: To bridge the information gap between overlay and underlay and to optimize overlay traffic mutually beneficially for all: ISP, user, ASP – TripleWin: the system operates in an equilibrium point – Traditional traffic optimization would aim at a global optimum of a single combined optimization metric• Results: ETM mechanisms indeed lead the system to desirable equilibria, although a different mechanism can be appropriate in each case – Are highly distributed and scalable – Stimulate information sharing among players• Next steps: Handle new types of overlay traffic stemming from – Social networks, cloud applications, mobile applications7/2/2012 2
The SmoothIT Information Service (SIS) AS 65504 SIS P9 AS 65510 AS 65508 SIS AS 65509 P8 IP/MPLS transit P7 SIS SIS P4 P5 P6 New P3 P2 P1 Candidates: P1,P2,…,P9 Peer SIS: SmoothIT Information Service Sorted List: P1,P2,P3,P7,…• Each SIS component can convey information between overlay and underlay• E.g. overlay components interact with SIS to select “better” peers• The application client can ignore SIS recommendations if not beneficial!7/2/2012 3
SIS-compatible/-enabled ETM mechanisms• BGP-based Locality Promotion – Neighbors list provided by peer requesting ‘advice’ – A server provides proximity-related information/’advice’• Insertion of ISP-owned Peer(s) – Intervention of resourceful caches in the overlay, transparently or not – Tranparent: Selected by regular peers only based on overlay criterion (e.g. T4T) – Non-transparent: Advertised by SIS (or possibly the overlay tracker)• Promotion of Highly Active Peer(s) – ISP boosts regular high activity peers’ capacity – Evaluates their behavior, e.g. large seeding time – Incentive for regular peers to act as IoPs• All provide freedom to peers to decide whether they will adopt them7/2/2012 4
Exchange of Information* *accepted as a new seed in FIArch’s document on FI Design Principles (collaboration with the FP7 SESERV project) • Address the Information Asymmetry between layers and players • Design for Tussle (introduced by D. D. Clark) • Abstraction – Exposure – Collection – Assessment – Decision Making • Aim at All-Win ISP2 ISP1 Inter-layer overlay optimization tier-2 tier-1 ICN max profit overlay network ISP3 tier-3traffic matrix overlay information global QoS impact rendezvous ‘advice’ - abstract traffic demand network information ISP4 Inter-player tier-2 underlay network transit link traffic management peering link min operational cost rendezvous 7/2/2012 5
Thank you for your attention! This research has been co-financed by the European Union (European Social Fund – ESF) and Greek national funds through the Operational Program "Education and Lifelong Learning" of the National Strategic Reference Framework (NSRF) – Research Funding Program: Heracleitus II. Investing in knowledge society through the European Social Fund.