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| location transparency ： ウィキペディア英語版 |
location transparency
In computer networks, location transparency is the use of names to identify network resources, rather than their actual location.〔(【引用サイトリンク】 title=What is location transparancy? )〕〔(【引用サイトリンク】 title=The benefits of location transparency in an SOA )〕 For example, files are accessed by a unique file name, but the actual data is stored in physical sectors scattered around a disk in either the local computer or in a network. In a location transparency system, the actual location where the file is stored doesn't matter to the user.
A distributed system will need to employ a networked scheme for naming resources.
==Benefits==
The main benefit of location transparency is that it no longer matters where the resource is located. This means that the location of a resource doesn't matter to either the software developers or the end-users. This creates the illusion that the entire system is located in a single computer, which greatly simplifies software development.
An additional benefit is the flexibility it provides. Systems resources can be moved to a different computer at any time without disrupting any software systems running on them. By simply updating the location that goes with the named resource, every program using that resource will find.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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