Changes between Version 14 and Version 15 of LLM


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Timestamp:
10/12/11 17:44:43 (13 years ago)
Author:
binoy
Comment:

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  • LLM

    v14 v15  
    18183) Third, all the migrated service requests are buffered in a queue in the “merge” module. Those buffered requests that have been served are removed based on the migrated boundary information. Once a failure occurs on the primary machine that breaks the migration data stream, the backup machine recovers the migrated memory image and merges the service requests into the corresponding driver buffers.
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    20 == Asynchronous Network Buffer Migration In [wiki:LLM LLM] ==
     20== Asynchronous Network Buffer Migration in [wiki:LLM LLM] ==
    2121[http://nss.cs.ubc.ca/remus/ Remus] uses checkpointing to migrate the ever-changing updates of CPU/memory/disk to the backup machine. Only at the beginning of each checkpointing cycle, the migration occurs in a burst mode after the guest VM  resumes. Most of the time, there is no traffic flowing through the network connection between the primary and the backup machines. During this interval, we can migrate the service requests at a higher frequency than that of checkpointing.
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