Telephonic communications – With usage measurement – Call traffic recording by computer or control processor
Patent
1986-08-27
1988-07-05
Dwyer, James L.
Telephonic communications
With usage measurement
Call traffic recording by computer or control processor
379115, 379221, H04M 1532
Patent
active
047560193
ABSTRACT:
An adaptive, tariff dependent traffic routing system, which controls routing of traffic and performs management of network resources in multi-node telecommunication networks, where the cast for a communication depends on the type of service provided and on the distance between the originating node and the destination. Each node can originate traffic, receive and/or transmit traffic over inter-node trunks. The system is realized by means of a central computer, which has connections to the Stored Program Control (SPC) nodes of the network over two-way data links. The computer has access to data stored in the computer's memory, containing the actual distance- and service sensitive tariffs applied in the network. By freqent scanning of the network, the computer has a global view of the actual out-of-service and traffic load status in the nodes and in the different trunk groups. Based on the tariffs and on the global network status view the system determines the policy for routing traffic in the network, such that the revenue is maximized. When determining the routing decisions, the out-of-service and overloaded network equipment is automatically by-passed. Similarly, traffic to out-of-service, overloaded, or hard-to-reach destinations is not allowed to enter the network. The same applies to traffic destined to access-restricted nodes. The routing policy is transmitted to the SPC nodes in terms of routing instructions, specific for each originating node and each destination as well as specific for each type of services. Since new instructions are issued after each network scanning, these will vary with the actual traffic and out-of-service situation in the network. In this way an adaptive, revenue maximizing traffic routing and network management system is achieved.
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E. Syzbicki, "Adaptive, Tariff Dependent Traffic Routing and Network Management in Multi-Service Telecommunications Networks", 11th International Teletraffic Congress in Kyoto, Japan, Sep. 4-11, 1985.
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