Method of and system for determining optimal overtrunking in an

Details Method of and system for determining optimal overtrunking in an Method of and system for determining optimal overtrunking in an

1997-12-09

2000-04-04

Teska, Kevin J.

Optical: systems and elements

Prism

With reflecting surface

39550023, 359109, G06F 9455

Patent

active

060471182

ABSTRACT:
A method of and a system for performing computer simulations to determine a number of blocked calls resulting from cutting selected spans in a telecommunications network with selected levels of overtrunking to determine a level of overtrunking necessary to make the number of block calls resulting from a cut span less than a blocked call threshold. The method forms a capacity demand matrix based on a selected level of overtrunking. The capacity demand matrix reflects a circuit capacity between each pair of origination nodes and destination nodes of the network prior to a cut span. The method forms updated capacity demand matrices that reflect the circuit capacity between each pair of origination nodes and destination nodes of the network after a cut span with various levels restoration. The method runs a call simulation program with data from the updated capacity demand matrices to determine the number of blocked calls resulting from said cut span. The method compares the number of blocked calls for various levels of overtrunking to a blocked call threshold to determine an optimal level overtrunking for the network.

REFERENCES:
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patent: 5844886 (1998-12-01), Szentesi
DNM Tools--User Guide--Software Release 3.0--Jun. 1997.
Chow et al, "A Fast Distributed Network Restoration Algorithm", IEEE Twelfth Annual International Phoenix Conference on Computers and Communications, pp. 261-267, Mar. 1993.
Johnson et al, "Distributed Restoration Strategies in Telecommunications Networks", IEEE International Conference on Communications SUPERCOMM/ICC '94, pp. 483-488, May 1994.
Veerasamy et al, "Space Capacity Assignment in Telecom Networks using Path Restoration", IEEE Proceedings of the Third International Workshop on Modeling, Analysis, and Simulation of Computer and Telecommunications Systems, pp. 370-374, Jan. 1995.

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