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and decompression of data, enabling users to store more files on a medium without any special knowledge; some file systems encrypt files transparently. This approach does not require running a compression or encryption utility manually.
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Access transparency – Regardless of how resource access and representation has to be performed on each individual computing entity, the users of a distributed system should always access resources in a single, uniform way. Example: SQL
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technique. An application code was transparent when it was clear of the low-level detail (such as device-specific management) and contained only the logic solving a main problem. It was achieved through
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as much as possible while changing its internal behavior. The purpose is to shield change from all systems (or human users) on the other end of the interface. Confusingly, the term refers to the overall
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The degree to which these properties can or should be achieved may vary widely. Not every system can or should hide everything from its users. For instance, due to the existence of a fixed and finite
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access, so that the same application will work with different databases; here, the abstraction layer allows other parts of the program to access the database transparently (see
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there will always be more latency on accessing resources distant from the user. If one expects real-time interaction with the distributed system, this may be very noticeable.
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Migration transparency – Users should not be aware of whether a resource or computing entity possesses the ability to move to a different physical or logical location.
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is transparent, because it introduces the access to files stored remotely on the network in a way uniform with previous local access to a
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transparency – While multiple users may compete for and share a single resource, this should not be apparent to any of them.
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is used in a misleading way to refer to the actual invisibility of a computing process, which is also described by the term
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transparency – If a resource is replicated among several locations, it should appear to the user as a single resource.
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Also temporarily used later around 1969, in IBM and
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has a good connotation (usually associated with not hiding anything). The vast majority of the times, the term
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transparency – Whether a resource lies in volatile or permanent memory should make no difference to the user.
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Relocation transparency – Should a resource move while in use, this should not be noticeable to the end user.
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should hide its distributed nature from its users, appearing and functioning as a normal centralized system.
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internal details, making them invisible for the main application.
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is widely used in computing marketing in substitution of the term
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that hide actual implementations done with different underlying
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Formal definitions of most of these concepts can be found in
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The term is used particularly often with regard to an
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381:Types of transparency in distributed system
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248:of the component, it does not refer to
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392:There are many types of transparency:
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431:Persistence
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