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  • Data transmission is a costly resource
    • In term of performances, bandwidth and a service cost
  • Transmission of large chunk of data is more error prone than small chunk of data
    • Quality of connection is not constant in a mobile environment
  • Thus we need to minimize large data sets, by employing techniques such as:
    • Ask for only those elements that you require (Filtering)
    • Ask for only those items that you require (Paging)
    • Cache what you can locally instead of requesting the same data (Caching)

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