The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 13, 2011

Filed:

Mar. 12, 2003
Applicant:

Fred S. Cook, Olathe, KS (US);

Inventor:

Fred S. Cook, Olathe, KS (US);

Assignee:

Sprint Communications Company L.P., Overland Park, KS (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

Re-routing interactions are predicted for a communications network including a plurality of network elements. A respective device state image is constructed for each of the plurality of network elements, with each of the device state images including a failover setting of a respective one of the network elements. The device state images are transmitted to a network simulator. The performance of the communications network is simulated in response to the device state images. A prospective network element failover of a predetermined one of the network elements is transmitted to the network simulator. A performance of the communications network is simulated in response to the device state images modified by the prospective network element failover. It is then detected whether an acceptable performance is maintained in view of the prospective network element failover in order to identify whether is will be permissible to perform a maintenance action on the network element which makes it unavailable to the network.


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