Service overlay networks: SLAs, QoS, and bandwidth provisioning
IEEE/ACM Transactions on Networking (TON)
On investigating overlay service topologies
Computer Networks: The International Journal of Computer and Telecommunications Networking
A design framework towards the profitable operation of service overlay networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
QRON: QoS-aware routing in overlay networks
IEEE Journal on Selected Areas in Communications
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Service Overlay Networks (SON) have emerged as an efficient way to provide end-to-end Quality of Service (QoS) support in the Internet, as required by real-time services. The deployment of a SON is a capital-intensive investment. Thus, minimizing the economic cost is one of the key objectives for the SON operator. Moreover, end-to-end performance must be enhanced, so as to provide innovative value-added services. This paper, addresses the problem of cost and performance optimization of a SON. More specifically, we propose a set of algorithms for the selection of a SON topology, which minimizes the economic cost while taking also into account performance constraints.