EEDC - Distributed Systems
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Course: Execution Environments for Distributed Computing 1st Presentation (15min): Distributed Systems Group 7
![Execution Environments for Distributed Computing Distributed Systems EEDC 34330 Master in Computer Architecture, Networks and Systems - CANS Homework number: 1 Group number: EEDC-7 Group members: Georgia Christodoulidou – [email_address] Ioanna Tsalouchidou – [email_address] Maria Stylianou – [email_address]](https://image.slidesharecdn.com/eedc-distributedsystems-group7-120222182812-phpapp02/85/EEDC-Distributed-Systems-1-320.jpg)
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EEDC - Distributed Systems
- 1. Execution Environments for Distributed Computing Distributed Systems EEDC 34330 Master in Computer Architecture, Networks and Systems - CANS Homework number: 1 Group number: EEDC-7 Group members: Georgia Christodoulidou – [email_address] Ioanna Tsalouchidou – [email_address] Maria Stylianou – [email_address]
- 4. What is a Distributed System (DS)?
Editor's Notes
- The two most representative definitions for us are the ones from Coulouris and Tanenbaum. A distributed system is a collection of independent components located in a network, communicate with each other via msg passing and appears to the users as a single computer.
- The definitions can be verified in the picture. We have 3 different machines, connected to the same network and communicate via message passing in the middleware level.
- Why do we need DS First of all, we can distribute the workload among the different machines. That way the performance is improved and tasks are completed faster
- Usually, people argue about the differences between distributed and parallel systems. The same system may be characterized as “parallel” and “distributed” at the same time. A main difference is that in distributed systems, there is no need of a shared memory, since the nodes communicate via message passing. Another difference is that there is no homogeneity. A distributed system consists of different types of hardware and software.
- Having a Distributed System, it means that we need to face several issues, like….blah blah blah We are explaining these challenges a bit more later on.
- The first challenge we face is the need of different components to inter-operate. Differences are encountered between components in…
- In a distributed system, there are multiple failures.
- New resource-sharing services should be added and be available to be used by the clients