How to Search the Distributed System Design Pdf
5/29/2021Explain the issues in designing Distributed Systems. https://www.ques10.com/p/2125/explain-the-issues-in-designing-distributed-syst-1/1/6
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Explain the issues in designing Distributed Systems
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10 M
Year:
Dec 15
Sayali Bagwe (/u/105/sayali-bagwe/)
5/29/2021Explain the issues in designing Distributed Systems. https://www.ques10.com/p/2125/explain-the-issues-in-designing-distributed-syst-1/2/6
mumbai university (/t/mumbai university/)computer engineering (/t/computer engineering/) parallel and distributed systems (/t/parallel and distributed systems/)sem 8 (/t/sem 8/)
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Issues in designing distributed systems:
1. Heterogeneity
The Internet enables users to access services and run applications over a heterogeneous collection of computers and networks.Internet consists of many dierent sorts of network their dierences are masked by the fact that all of the computers attached to them use the Internet protocols to communicate with one another.For eg., a computer attached to an Ethernet has an implementation of the Internet protocols over the Ethernet, whereas a computer on a dierent sort of network will need an implementation of the Internet protocols for that network.
2. Openness
The openness of a computer system is the characteristic that determines whether the system can be extended and re-implemented in various ways.The openness of distributed systems is determined primarily by the degree to which new resource-sharing services can be added and be made available for use by a variety of client programs.
3. Security
Sayali Bagwe (/u/105/sayali-bagwe/)
5/29/2021Explain the issues in designing Distributed Systems. https://www.ques10.com/p/2125/explain-the-issues-in-designing-distributed-syst-1/3/6
Many of the information resources that are made available and maintained in distributed systems have a high intrinsic value to their users.Their security is therefore of considerable importance. Security for information resources has three components: confidentiality, integrity, and availability.
4. Scalability
Distributed systems operate eectively and eiciently at many dierent scales, ranging from a small intranet to the Internet. A system is described as scalable if it will remain eective when there is a significant increase in the number of resources and the number of users.
5. Failure handling
Computer systems sometimes fail. When faults occur in hardware or soware, programs may produce incorrect results or may stop before they have completed the intended computation. Failures in a distributed system are partial – that is, some components fail while others continue to function. Therefore the handling of failures is particularly diicult.
6. Concurrency
Both services and applications provide resources that can be shared by clients in a distributed system. There is therefore a possibility that several clients will attempt to access a shared resource at the same time. Object that represents a shared resource in a distributed system must be responsible for ensuring that it operates correctly in a concurrent environment. This applies not only to servers but also to objects in applications. Therefore any programmer who takes an implementation of an object that was not intended for use in a distributed system must do whatever is necessary to make it safe in a concurrent environment.
7. Transparency
Transparency can be achieved at two dierent levels. Easiest to do is to hide the distribution from the users. The concept of transparency can be applied to several aspects of a distributed system.
a) Location transparency:
The users cannot tell where resources are located
b) Migration transparency:
Resources can move at will without changing their names
c) Replication transparency:
The users cannot tell how many copies exist.
How to Search the Distributed System Design Pdf
Source: https://id.scribd.com/document/516446442/Explain-the-Issues-in-Designing-Distributed-Systems
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