Distributed Operating System: Examples, Types, Advantages, Features!!
Operating System

Distributed Operating System: Examples, Types, Advantages, Features!!

January 23, 2020 Leave a Comment

What is Distributed Operating System

Definition – In this article, we will fully explain distributed operating system. Distributed operating system allows distributing of entire systems on the couples of center processors, and it serves on the multiple real time products as well as multiple users.  

All processors are connected by valid communication medium such as high speed buses and telephone lines, and in which every processor contains own local memory along with other local processor. According this nature, distributed operating system is known as loosely coupled systems.

distributed-operating-system

This operating system involves multiple computers, nodes, and sites, and these components are linked each other with LAN/WAN lines. Distributed OS is capable for sharing their computational capacity and I/O files with allowing the virtual machine abstraction to users.

Read More – Real Time Operating System and its Application

Types of Distributed Operating System

Classification of distributed operating system Can be done in three areas, such as

  • Client-Server Systems
  • Peer-to-Peer Systems
  • Middleware

Client-Server Systems

Client-Server Systems is known as “Tightly Coupled Operating System”. This system is designed mostly for multiprocessors and homogeneous multicomputer. Client-Server Systems works as a centralized server because it provides the approval to all requests, which are generated by client systems side.

Server systems can be divided into two segments: 

Computer Server System

This system allows the interface, and then client sends own all requests for executing as action. Finally it sends to back response after executing action, and transfer result to client.

File Server System

It allows the file system interface for clients because their clients can be performed various tasks such as creation, updating, deletion files, and more.

Objective – Hide and manage hardware resources.

Peer-to-Peer System

Peer-to-Peer System is known as a “Loosely Couple System”. This concept is implemented in the computer network application because it contains the bunch of processors, and they are not shareable memories or clocks as well. Every processors consist own local memory, and these processors make communication with each other through various communication medium such as high speed buses or telephone lines.

Objective – It provides local services to remote clients.

Middleware

Middleware allows the interoperability in the between of all applications, which are running on other operating systems. With using these services those applications are capable for transferring all data each other.

Objective – It allows the distribution transparency.

Read More – Batch Processing Operating System with their Examples

Applications of Distributed Operating System

There are various real life applications of operating system such as

  • Telecommunication networks
  • Internet Technology
  • Airline reservation Control systems
  • Distributed databases System
  • Distributed Object Based System
  • Distributed Document System
  • Distributed Coordination Based System
  • Distributed Multimedia System
  • Emerging System
  • Scientific computing System
  • Distributed rendering System in Computer Graphics
  • Global positioning System
  • World Wide Web
  • Air Traffic Control System
  • Automated Banking System
  • Multiplayer online gaming
  • Airplane Control Towers System
  • Scientific Computing System
  • Cluster Computing
  • Grid Computing
  • Data rendering
  • Wireless sensor N/W System
  • Routing Algorithms
  • Network File System
  • Industrial Control Equipment

Distributed Operating System Example

Here, huge list of distributed operating system. Read each one carefully

LOCUS

In LOCUS operating system, can be accessed local and remote file in simultaneously without any location hindrance.

MICROS

MICROS operating system maintains the balance load of data while allotting the jobs to all nodes of entire system.

IRIX

IRIX operating system is used in the UNIX system V and LINUX.

DYNIX

DYNIX operating system is developed for the Symmetry multiprocessor computers.

AIX

AIX operating system is designed for IBM RS/6000 computers.

Solaris

Solaris operating system designed for SUN multiprocessor workstations.

Mach

Mach operating system allows the multithreading and multitasking features.

OSF/1

OSF/1 operating system is compatible with UNIX, and it is designed by Open Foundation Software Company.

Other Important Examples of Distributed Operating System

  • Windows server 2003
  • Windows server 2008
  • Windows server 2012
  • Ubuntu
  • Linux (Apache Server)
  • AEGIS
  • AMOEBA
  • Arachne
  • Charlotte
  • CHOICES
  • Clouds
  • CMDS
  • CONDOR
  • Cronus
  • DEMOS/MP
  • DISTOS
  • DISTRIX
  • Eden
  • Galaxy
  • MDX
  • MICROS
  • MOS
  • MOSIX
  • Newark
  • NSMOS
  • Plan9
  • REPOS
  • RIG
  • Roscoe
  • Saguaro
  • SODA
  • SODS/OS
  • Spring
  • Uniflex

Read More – Purpose of The Operating System

Advantages of Distributed Operating System

In this section, we will spread the light on numerous features and characteristics of distributed operating system.

  • It can share all resources such as (CPU, disk, network interface, nodes, computers, and more) from one site to another site, and it increases the data availability on entire system.
  • It enhances the speed of data exchange from one site to other site.
  • It reduces the probability of data corruption because all data are replicated on all site, if any site gets fail then user can access data from other running site.
  • It provides excellent services to all users.
  • It helps to decrease the load of jobs on one host system.
  • It can be scaled easily; it means any network can be attached with other network without hindrance.
  • It is more reliable to single system.
  • It has excellent performance.
  • Better portability.
  • Better re-usability of existing hardware components.
  • It helps to decrease the duration time in data processing.
  • It is high fault tolerance system.
  • Better flexibility, due to easy to use, install and error detection.
  • It is openness system because this system can be accessed from local and remote sites.
  • Entire system works independently from each other and due to this feature if any one site gets crash then entire system does not halt.
  • Well protective system because in distributed operating system, every users has unique UID and with using this UID all users can use every system. Due to UID, no chance hack data from this system. 

Read More – What is Operating System and its Types

Disadvantages of Distributed Operating System

Here, we will spread light on the different limitations of distributed operating system.

  • If center hub gets fails then entire network will halt.
  • Distributed operating system is designed with such language, which is not well defined till now.
  • This system is more costly because it is not easily readable, and it contains the huge infrastructure.
  • Some time security issues can be arise while sharing data on entire networks.
  • Some data packet can be corrupted due to following in the large networks.
  • Its maintenance is more costly because it is distributed across multiple servers.
  • If, some time anyone site gets overload then it can be created big challenges.
  • If, same time multiple users try to access same data from local database as well as remote data base then its performance can get degrade.
  • Administration is very difficult task in distributed operating system.
  • Distributed operating system only can support few softwares.

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