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In-line bridging is in general the most direct method of bridging between ORBs. It is structurally similar to the engineering
commonly used to bridge between systems within a single ORB (e.g., mediating using some common inter-process communications
scheme, such as a network protocol). This means that implementing in-line bridges involves as fundamental a set of changes
to an ORB as adding a new inter-process communications scheme. (Some ORBs may be designed to facilitate such modifications,
though.)
In this approach, the required bridging functionality can be provided by a combination of software components at various levels:
• As additional or alternative services provided by the underlying ORBs
• As additional or alternative stub and skeleton code.
Figure 14-1 In-Line bridges are built using ORB internal APIs.