Real-World HTTP Rate Changes over Time

The graphs shown in Figure 4-14 are derived from observations at www.sun.com. They are typical of the load on a commercial internet site being used to provide marketing and product information. Other types of sites should construct their own versions of these graphs.

Figure 4-14. Workload Patterns

The first graph shows the load varying during the day. The load depends upon the audience, but for www.sun.com, it peaks during working hours for the western USA time zone. The eastern USA brings the level up earlier in the day, and Europe and Japan keep it going through the night. Other sites that serve users ...

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