Time Transparency

• How to minimize latency

  • Prefetch data to local high performance disk, so that all accesses can be done at high speed from local resources

• How to maximize access rate

  • Composite or aggregate data into a single data set to avoid multiple accesses
  • Stream data at high rates using parallel I/O, amortizing the access latency by the volume of data that is delivered.

• How to avoid congestion

  • Replicate data across multiple servers

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