The paper "Dynamic Traffic Management mechanism for active optimization of ISP costs” by Zbigniew Dulinski, and Rafal Stankiewicz has been accepted for publication at the Workshop on Social-aware Economic Traffic Management for Overlay and Cloud Applications (SETM 2013) in Zurich, Switzerland on October 18, 2013.  Abstract—This paper proposes a dynamic traffic management mechanism which addresses the problem of cost-optimal distribution of inevitable inter-domain traffic on multiple links, and enables dynamic overlay traffic management and adaptation to constantly changing traffic patterns to meet cost optimization goals. The mechanism allows for the management of traffic generated by overlay applications such as content delivery platforms, online storage systems, or P2P. DTM is a generic concept addressing the problem of minimization of the ISP’s costs related to the amount of traffic in the network. In general, the cost may reflect a monetary cost for interdomain traffic, cost of energy consumption by network nodes or devices, or other monetary or non-monetary costs related to the amount of traffic (e.g., utilization of resources, congestion, etc.). The dynamic management performs optimization to find a best solution over criteria and conditions defined by the ISP. It is able to react to changing conditions on a short time scale. This paper discuss practical implementation of DTM concept enabling optimization of cost of inter-domain traffic generated by overlay applications. ISP managing multi-homed AS pay for inter-domain traffic but different tariffs may be used on different inter-domain links. As a result, sending some amount of traffic over one link may be cheaper than sending it over the other link. DTM mechanism is designed to optimize traffic distribution on several inter-domain links to minimize the overall cost. It is achieved by influencing overlay application’s decision on choosing the source of content to be sent to the end-user located in ISPs domain. |
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