Chapter 1 Distributed Ruby (DRb)

The standard Ruby library ships with a package known as DRb. You will sometimes see this package referred to as dRuby. No matter what you call the package, they both mean the same thing, Distributed Ruby. DRb is an incredibly easy package to learn and use. It has the benefits of being written completely in Ruby and using core libraries. It also offers advantages such as automatic selection of object transmission (either pass by value or pass by reference), reasonable speed, and the ability to run on any operating system that runs Ruby (see Figure 1-1). DRb also allows you to write applications without a defined interface, which can make for faster development time. This can also be a disadvantage, as we’ll talk ...

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