Competitive routing in multiuser communication networks
IEEE/ACM Transactions on Networking (TON)
Service overlay networks: SLAs, QoS, and bandwidth provisioning
IEEE/ACM Transactions on Networking (TON)
A design framework towards the profitable operation of service overlay networks
Computer Networks: The International Journal of Computer and Telecommunications Networking
Competition and Efficiency in Congested Markets
Mathematics of Operations Research
Price competition with elastic traffic
Networks - Games, Interdiction, and Human Interaction Problems on Networks
MPLS: the magic behind the myths [multiprotocol label switching]
IEEE Communications Magazine
QRON: QoS-aware routing in overlay networks
IEEE Journal on Selected Areas in Communications
Architecting noncooperative networks
IEEE Journal on Selected Areas in Communications
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In this paper, we study the economic interactions between network users and providers. Each user must ship his traffic from a source to a destination node, splitting it over multiple paths, each owned by an independent network provider. Users are charged a fixed price per unit of bandwidth used, and face both access and transport costs. The transmission rate of each user is assumed to be function of network congestion (like for TCP traffic) and the price per bandwidth unit. Network providers compete among themselves to cover network users, and set transport prices to maximize their revenue. We provide sufficient conditions for the existence and the uniqueness of the Nash equilibrium under a variety of cost functions, and we derive optimal price and routing settings. Finally, we analyze and discuss several numerical examples that provide insights into the models' solution.