Cloud System File Retrieval for Startup Crash Recovery

The patent introduces a cloud server as an intermediary to store system files remotely. When a terminal device needs system files for installation, update, or recovery, it establishes a connection to the cloud server to retrieve the required files. This mediator approach resolves the contradiction by ensuring system operation reliability through remote file availability while reducing local device complexity through centralized file management.

The patent implements preliminary action by pre-configuring network driver settings and authentication parameters before the actual file invocation is needed. The system prepares network connection templates and credential information in advance, so when a system file needs to be retrieved during a crash or update, the network connection can be established quickly without complex real-time authentication processes, thus improving ease of operation while managing complexity.

The patent applies the extraction principle by separating the authentication process from the file retrieval process. The device identifier is extracted and transmitted separately to the cloud server for verification, while the actual system files are retrieved in a subsequent step. This extraction allows for secure authentication without delaying the entire file retrieval process, thus improving security while minimizing time loss.

The patent implements preliminary action by initializing network driver configuration during the early startup phase, before the actual cloud server connection is needed. This pre-initialization ensures connection stability when the network connection is eventually established, while the time cost is distributed across the startup process rather than concentrated at the moment of connection, thus managing the trade-off between stability and time.