Marshalling is the process of transforming device memory components into usable data for programs, increasing retrieval speed and maintaining data integrity. It is similar to serialization but also registers code bases and can be used with remote objects.
Marshalling in computer programming is the transformation of components stored in device memory into usable data that can be used by one or more of the programs residing on the hard drive. The action of collecting data into storage areas for easy retrieval is greatly enhanced by the marshaling process, as it allows programs to retrieve data for use without the need to translate components each time the action. From this point of view, marshaling helps speed up the operation of many of the software programs used every day in homes and businesses.
In addition to converting objects to data and preparing the data for storage or transmission when needed, marshaling also acts as a buffer between the stored data and the various files or programs that use the data. This buffer helps maintain the integrity of stored data and allows it to be used for simultaneous actions involving more than one file or program. The overall effect is to keep the system running at optimum levels with no delays. For example, marshalling allows you to work with a spreadsheet, a word processing document, and an open Internet connection at the same time, without delays. The sorted data can be used by all of these applications simultaneously without creating a drain on hard drive resources.
Many computer-savvy people in general view marshalling as somewhat similar to a process known as serialization. Serializing an object involves converting the object from its original state to a stream of bytes, but in a way where the byte stream can be converted back to its original state if necessary. Marshalling differs from serialization in that serialization does not register code bases. Marshalling handles both conversion functions and codebase logging. Also, marshaling can be used with remote objects, whereas serialization cannot. This means that for some configurations, the Marshall approach to object conversion, storage, and transmission may be preferable.
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