Abstract
Applications based on overlays have become very popular, due to the
separation they provide and the improvement of perceived QoS by the end-user.
Recent studies show that overlays have a significant impact on the traffic management
and the expenditures of the underlying network operators. In this paper,
we define a framework for Economic Traffic Management (ETM) mechanisms
that optimize the traffic impact of overlay applications on ISP and telecommunication
operator networks based on the interaction of network operators, overlay
providers and users. We first provide a definition and an overview of Self-
Organization Mechanisms (SOMs) and ETM for overlays. We then describe a
basic framework for the interaction of components of SOMs and ETM, in terms
of information and metrics provided, decisions made etc. Finally, we describe in
detail how SOMs can be used to support ETM and we illustrate our approach and
its implications by means of a specific example.
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