Compare and contrast reliability and availability, Software Engineering

Assignment Help:

Q. Compare and contrast reliability and availability?

Ans. Reliability: The probability of failure-free system operation over a specified time in a given environment for a given purpose is called reliability Availability:The probability that a system at a point in time will be operational and able to deliver the requested services is known as availability.

Both of these attributes can be expressed quantitatively. It is sometimes possible to subsume system availability under system reliability. Clearly if a system is unavailable it is not delivering the specified system services. Nevertheless it is possible to have systems with low reliability that must be available. Consequently long as system failures can be repaired quickly and don't damage data low reliability mayn't be a problem. Availability acquires repair time into account.


Related Discussions:- Compare and contrast reliability and availability

When must a function throw an exception, When must a function throw an exce...

When must a function throw an exception? A function must throw an exception when it's not able to fulfil its promise. As soon as function detects a problem which prevents it

Supermarkets, A supermarket requires to develop software to encourage regul...

A supermarket requires to develop software to encourage regular customers. For this the customer requires to supply his name address telephone number and driving license number. A

What is hybrid testing, Explain Hybrid Testing? Ans) A mixture of top-do...

Explain Hybrid Testing? Ans) A mixture of top-down testing combined with bottom-up testing of prioritized or available components.

What is vo browser extension, What is VO browser extension? - It is a S...

What is VO browser extension? - It is a SilkTest add-on component to test Web applications. - To identify browser-rendered objects it employs sophisticated pattern recogniti

Explain what is the resource discovery problem, Question: (a) Explain ...

Question: (a) Explain what is the resource discovery problem? (b) Distinguish between centralized (hybrid) and decentralized (pure) peer to peer network? (c) Give an e

Data dictionary , data dictionary diagram for library management system

data dictionary diagram for library management system

Draw a memory map for a system, Draw a memory map for a system with a memor...

Draw a memory map for a system with a memory capacity of 256MB. Each memory location in the system is 8 bits. Assume the system has one 4 MB memory block used as ROM residing at th

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd