Posts

Advantage and Disadvantage of Distributed System

  Advantages of Distributed Systems Some advantages of Distributed Systems are as follows − All the nodes in the distributed system are connected to each other. So nodes can easily share data with other nodes. More nodes can easily be added to the distributed system i.e. it can be scaled as required. Failure of one node does not lead to the failure of the entire distributed system. Other nodes can still communicate with each other. Resources like printers can be shared with multiple nodes rather than being restricted to just one. Disadvantages of Distributed Systems Some disadvantages of Distributed Systems are as follows − It is difficult to provide adequate security in distributed systems because the nodes as well as the connections need to be secured. Some messages and data can be lost in the network while moving from one node to another. The database connected to the distributed systems is quite complicated and difficult to handle as compared to a single user system. Overloadin...
Post a Comment
Read more

Networks and Distributed Systems

Image
  Networks and Distributed Systems The Rise of Networks Until the 1980s, computer systems were large and expensive, and there was no meaningful way to link them together. The 1980s, however, saw two important developments - powerful microprocessors and higher-speed networks (LANs/WANs now up and over a gigabit in speed). More recent developments including research are scalable cluster-based computer (e.g. Beowulf) and peer-to-peer networks (e.g., BitTorrent, SETI@Home, etc). The result is networked computers. It is now feasible to design and implement computing systems with large numbers of networked computers. Advantages to this include shared resources, such as hardware (file stores, printers, CPU, etc) and software (files, databases, etc), to speed up computation (partitioned computations can have parts excecuting concurrently within a system), reliability (if one site fails, others may be able to continue) and easier communication. Network Protocols Seperate machines are connec...
Post a Comment
Read more