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| Methods and systems for telephony call completion |
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Computer network with microeconomic flow control
| Details |
Inventors: Fulp, Errin W.; Ott, Maximilian; Reininger, Daniel;
Assignee: NEC USA, Inc. (Princeton, NJ)
Primary Examiner: Meky; Moustafa M.
Assistant Examiner:
Attorney, Agent or Firm: Sughrue, Mion, Zinn Macpeak & Seas, PLLC
There is disclosed a decentralized flow control technique based on microeconomics. In this framework, there are three important entities: switches, network brokers and users. Switches independently price their resources to provide flow control and to encourage high utilization. A network broker, located at the entrance of the network, works as an agent for a user, monitoring the budget, prices and needs. Using this information the network broker may purchase resources to maximize the user's quality of service. This approach has several advantages such as: decentralized control, minimal signaling, Pareto-optimal resource distribution, price stability and high network utilization. |
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DETAILED DESCRIPTION The control system according to the invention has a new decentralized market-based approach to flow control in computer networks.
In the approach according to the invention, pricing encourages users to use resources when demand is low, and to reduce consumption when resources are scarce.
Therefore, the central idea is to tie prices directly to supply and demand.
Pricing is decentralized, allowing the technique to be applied to various networks.
Prices are set so as also to provide a fair distribution based on budgets.
Users react to prices through a broker and can scale their consumption based on their QoS profile.
The QoS profile serves as a utility curve and is derived from empirical measurements.
The invention is advantageous in that it achieves all of the following: internalization of the externality of consumption; achievement of an equilibrium price at a Walrasian equilibrium; seeking of a fair distribution that is Pareto-optimum; maximization of the QoS observed by the user; use of QoS profiles that providing an actual utility function; allowance and encouragement of changes in demand from users over time; minimization of signaling and reservation requirements; and creation of a strategy that is independent of traffic types.
The various embodiments of the invention will now be mentioned.
The invention resides, generally, in a microeconomic approach to flow control for a network of switches connecting users.
In a first embodiment of this approach, a plurality of network brokers correspond to a plurality of users, including a first network broker corresponding to a first user and a second network broker corresponding to a second user.
There is a step of providing a quality of service profile for the first user to the first network broker and of providing route information relating to a route from the first to the second user, the route including one of the switches defining a first switch.
The method further includes providing from the first user to the first network broker a present desired bandwidth value and sending respective current price quote information from the first switch to the first network broker
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Processing Data 
