11.6. Characterizing the Workload at the Resource Level

To be able to perform capacity planning and sizing studies of an e-commerce site, we need to map each CBMG resulting from the workload characterization process described above to IT resources as described in Section 7.7.2 and depicted in Fig. 11.10. The figure shows an e-business function search being mapped to a CSID. With each server in the CSID, we associate service demands at the various components (e.g., processors and disks) of the server. Also, to each arc of the CSID, we associate service demands for the networks involved in the exchange of messages represented by the arc. Consider the following example.

Figure 11.10. From CBMGs to IT Resources.
Table 11.3. Customer Visit Model ...

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