4.1. Horizontal and vertical growth

What do we mean by horizontal and vertical growth? Horizontal growth is based on the concept of adding more of the same building blocks—in our case, adding server images alongside the existing server images. If you lined these servers up in a row, they would extend out to the horizon, as shown in Figure 4-1.

Figure 4-1. Horizontal growth

Such companies usually have a very segmented business where it is simple to segregate and grow by a cloning-like process. ISPCompany (for its outsourcing side of the business) experiences most of its growth from adding more images. For security reasons, each ISPCompany client ...

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