Electrical computers and digital processing systems: multicomput – Computer-to-computer data routing – Alternate path routing
Patent
1997-10-23
2000-05-09
Lim, Krisna
Electrical computers and digital processing systems: multicomput
Computer-to-computer data routing
Alternate path routing
370221, 370225, G06F 15173, G06F 1100
Patent
active
060617357
ABSTRACT:
An improved network restoration system is provided that generates restoration plans responsive to topology changes in the network. The improved network restoration system detects when a topology change occurs in the network and then uses the most up-to-date topology information to regenerate only those restoration plans that are affected by the topology change. By regenerating the affected restoration plans responsive to topology changes instead of continually regenerating all plans like in conventional systems, the improved network restoration system saves significant processing time. Additionally, regenerating the affected restoration plans responsive to topology changes ensures that the restoration plans are always valid and reflect the most up-to-date topology information for the network. When detecting that a topology change has occurred, the improved network restoration system applies a user-defined threshold to determine whether the restoration plans should be regenerated. This threshold may be based on the number of network topology changes, the number of restoration plans affected by the topology changes, or the number of instructions within the restoration plans that are affected by the topology changes.
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Lim Krisna
MCI Communications Corporation
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