Goals and design issues of distributed file system

Improve Article. Save Article. Like Article. Last Updated : 29 Jul, A distributed information system consists of multiple autonomous computers that communicate or exchange information through a computer network.

Design issues of distributed system — Heterogeneity : Heterogeneity is applied to the network, computer hardware, operating system and implementation of different developers. A key component of the heterogeneous distributed system client-server environment is middleware. Middleware is a set of services that enables application and end-user to interacts with each other across a heterogeneous distributed system. Openness : The openness of the distributed system is determined primarily by the degree to which new resource-sharing services can be made available to the users.

Open systems are characterized by the fact that their key interfaces are published. It is based on a uniform communication mechanism and published interface for access to shared resources.

It can be constructed from heterogeneous hardware and software. Scalability : Scalability of the system should remain efficient even with a significant increase in the number of users and resources connected. Next SlideShares. You are reading a preview. Create your free account to continue reading. Sign Up. Upcoming SlideShare. Embed Size px. Start on. Show related SlideShares at end.

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The main purpose of the Distributed File System DFS is to allows users of physically distributed systems to share their data and resources by using a Common File System. A DFS is executed as a part of the operating system. In DFS, a namespace is created and this process is transparent for the clients. Redundancy — Redundancy is done through a file replication component.

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