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:
Aug. 03, 1999

Filed:

Apr. 18, 1996
Applicant:
Inventor:

John David Allen, Garland, TX (US);

Assignee:

MCI Communications Corporation, Washington, DC (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J / ;
U.S. Cl.
CPC ...
39518202 ; 370218 ; 34082501 ;
Abstract

A system and method for restoring communications in a network having multiple span failures. After a failure is detected, a sender node in each of the plurality of sender-chooser pairs sends a failed status message to the other nodes in the network. The failed status message identifies a restoration priority of the particular sender-chooser pair. Upon receipt, other nodes in the network suspend processing of lower priority restoration efforts and queue lower priority messages if they are preempted by higher priority messages. Lower priority restoration efforts resume upon receipt of a finished status message from the sender node of the higher priority sender-chooser pair.


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