Saturday, July 11, 2020

Explain concept of Transparency in Distributed system?


Ans:- Achieving the image of a single system without concealing the details of locations access, migration, concurrency, failure, replications, replications and resources to the user.

Different forms of Transparency in the distributed system:-

  1. Access transparency:- it deals with the hiding different data representation and the way that resources can be accessed to the user                                                                                                   
  2. Location transparency:- it refers to the fact that user cannot tell where a resource is physically located in the system location transparency can be achieving by assigning only logical names to resources.                                                                   
  3. Migration transparency:- in distributed system in which resources can be moved without affecting how those resources can be accessed are said to provide by migration transparency.                                                                                                                   
  4.  Relocation transparency:- in the situation in which resources can be relocated while they are being accessed without the user or the applications noticing anything in that relocation transparency is supported.                                                                                                                                                    
  5. Replications transparency:- in distributed system to achieve fault tolerance replicates of  resources are maintained. the replication transparency insurance that user cannot tell how many copies exist.                                                                                
  6. Concurrency transparency:- as in distributed system multiple user work concurrently the user sharing should happen automatically without the awareness of concurrent execution by multiple users.                                                                               
  7. Failure transparency:- it means that user does not noticed that resources fails to work properly and that system subsequently recovers form that failure without the user awareness. 

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