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State the goals of distributed system

This question appears in Mumbai University > Parallel And Distributed System subject

Marks: 5 M

Year: May 14

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The four important goals that should be met for an efficient distributed system are as follows:

1. Connecting Users and Resources:

  • The main goal of a distributed system is to make it easy for users to acces remote resourses and to share them with others in a controlled way.
  • It is cheaper to le a printer be shared by several users than buying and maintaining printers for each user.
  • Collaborating and exchanging information can be made easier by connecting users and resource.

2. Transparency:

  • It is important for a distributed system to hide the location of its process and resource. A distributed system that can portray itself as a single system is said to be transparent.
  • The various transparencies need to be considered are access, location, migration, relocation, replication, concurrency, failure and persistence.
  • Aiming for distributed transparency should be considered along with performance issues.

3. Openness:

  • Openness is an important goal of distributed system in which it offers services according to standard rules that describe the syntax and semantics of those services.
  • Open distributed system must be flexible making it easy to configure and add new components without affecting existing components.
  • An open distributed system must also be extensible.

4. Scalable:

  • Scalability is one of the most important goals which are measured along three different dimensions.
  • First, a system can be scalable with respect to its size which can add more user and resources to a system.
  • Second, users and resources can be geographically apart.
  • Third, it is possible to manage even if many administrative organizations are spanned.
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