Method of maintaining traffic services through congestion...

Details Method of maintaining traffic services through congestion... Method of maintaining traffic services through congestion...

2011-04-05

2011-04-05

Bayard, Djenane M (Department: 2444)

Electrical computers and digital processing systems: multicomput

Computer-to-computer protocol implementing

Computer-to-computer data transfer regulating

C709S224000, C709S232000, C709S233000, C709S234000

Reexamination Certificate

active

07921224

ABSTRACT:
In a method for controlling data traffic in a wireless or other communication network, one or more hardware/software agents are deployed to interface with one or more network entities such as routers, switches, backhaul transmission lines, and wireless base stations. The agents monitor the L1 (physical) and L2 (data link) layers of the network for the presence of indicators associated with network failover operations, such as DS1 alarms and protocol errors, respectively. Based on detected indicators across all monitored network entities, the agents determine if a failover operation has occurred. If so, data congestion associated with the failover operation is controlled according to a failover congestion monitoring and recovery mode (e.g., a data source backoff model), to reduce instances of dropped calls that would otherwise occur if the failover congestion were handled according to a general purpose congestion monitoring and recovery mode of the network.

REFERENCES:
patent: 2006/0198508 (2006-09-01), Delaney et al.
patent: 2006/0203719 (2006-09-01), Kim et al.
patent: 2006/0277298 (2006-12-01), Kim et al.

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