Assisted Device Recovery for Cable Modems
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Solution Overview
Problem
Cable service providers face disruptions when client devices, such as cable modems, require configuration changes or enter error states, as existing recovery methods are not uniformly effective across different makes and models, leading to inconsistent service restoration.
Innovation Solution
An assisted device recovery system that identifies cable modems using fingerprints, queries a database for specific recovery actions, and performs these actions to minimize disruption and ensure successful recovery, utilizing a CMTS, database, and recovery module with processors and memory to determine and execute recovery protocols.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If client devices are forced to fully reinitialize to receive new configuration changes, then the configuration is updated successfully, but service disruption time increases and internet becomes unavailable
Solution Approach 1:
The system performs preliminary identification of the cable modem make and model using a fingerprint database before executing recovery actions. This allows the system to pre-determine the appropriate recovery action specific to each device type, avoiding unnecessary full reinitialization and reducing service disruption time while ensuring configuration updates are applied successfully.
2Ease of operation
If standard recovery actions are applied across all cable modem makes and models, then the recovery process is simplified, but recovery success rate decreases due to device-specific variations
Solution Approach 1:
The system implements device-specific recovery actions by identifying the cable modem's make and model through fingerprinting. Each device type receives a tailored recovery action from the database rather than a generic approach. This localized approach maintains operational simplicity for the service provider while significantly improving recovery success rates by accounting for device-specific characteristics and requirements.
Data Source
AI summary
A system for assisted device recovery is provided. The system includes a database including a plurality of client device identifications and associated recovery actions having priority information. The system also includes an assisted device recovery module. The assisted device recovery module includes a client device identifier configured to identify a client device on a network using an identification of the client device, wherein the client device identifier is further configured to detect that the client device is configured incorrectly in response to change of a configuration of the network. The assisted device recovery module also includes a recovery determiner configured to choose a chosen recovery action based on priority information received in response to a query to the database. The assisted device recovery module further includes a recovery performer configured to send information about the chosen recovery action to the client device.