Configuration: CLIENT-EMULATION

The client emulation section in the system configuration is useful for experimental setups. It has been implemented for testing caching algorithms, which is represented by the test-caching-proxy system mode. That system mode is achieved by starting the server with the option --tc. Here is an overview:

<system type="test-caching-proxy">
  <client-emulation>
    <interarrival-pattern value="CONSTANT" />
    <interarrival-time value="10" />
  <client-emulation/>
</system>

The options mean specifically:

<interarrival-pattern> is an enumeration value that indicates how the client requests are distributed. It can so far have the values CONSTANT and POISSON. The CONSTANT request distribution means that requests are generated exactly at the interval given by the interarrival-time. POISSON means that the interarrival-time is only an average value, and that the actual delay between two requests is randomly distributed.
<interarrival-time> is an integer value indicating the average time between the generation of two requests in seconds.

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