tailieunhanh - Lecture Enterprise systems development (CSC447) - Lecture 19

In this chapter, students will be able to: Describe how a service-oriented architecture can be used as a philosophical approach to help the organization of the future meet all its IT-related needs, define and describe the various hardware and software infrastructure considerations in an organization. | Lecture 19 Enterprise Systems Development ( CSC447) COMSATS Islamabad Muhammad Usman, Assistant Professor College of Statistical and Acturial Science 1 2 Approaches to quality Quality of the product versus quality of the process Check whether (product or process) conforms to certain norms Improve quality by improving the product or process 3 Approaches to quality Conformance Improvement Product Process ISO 9126 ‘best practices’ ISO 9001 SQA CMM SPICE Bootstap Major Software Failures of 2011 Major Failures Cash machine bug benefits customers by giving them extra money An Australian bank began giving out large sums of money from 40 Cash Machines cross one city. Officials at the company said they were operating in stand-by mode, so could not identify the account balances of customers. Deficiencies in software quality often results in costly emergency fixes damage to a brand’s reputation, software company defaulters – large repayments Software defects are extremely costly in term of money reputation loss of life 4 Major Software Failures of 2011 Major Failures -22 people wrongly arrested in Australia due to failures in new NZ $ million courts computer system A new NZ $ million ($ million or £ million) computer system linking New South Wales courts and allowing documents to be lodged electronically led to damages claims for unlawful arrest and malicious prosecution, after 3600 defects in the electric transfers of data from the courts to the police’s database led to the wrongful arrest of 22 individuals. -Computer system bugs cause Asian banking facilities’ downtime Computer system problems at one of Japan’s largest banks resulted in a nationwide ATM network of more than 5,600 machines going offline for 24 hours, internet banking services being shut down for three days, delays in salary payments worth $ billion (£939 million) into the accounts of 620,000 people and a backlog of more than 1 million unprocessed payments worth around $ 9 billion (£ | Lecture 19 Enterprise Systems Development ( CSC447) COMSATS Islamabad Muhammad Usman, Assistant Professor College of Statistical and Acturial Science 1 2 Approaches to quality Quality of the product versus quality of the process Check whether (product or process) conforms to certain norms Improve quality by improving the product or process 3 Approaches to quality Conformance Improvement Product Process ISO 9126 ‘best practices’ ISO 9001 SQA CMM SPICE Bootstap Major Software Failures of 2011 Major Failures Cash machine bug benefits customers by giving them extra money An Australian bank began giving out large sums of money from 40 Cash Machines cross one city. Officials at the company said they were operating in stand-by mode, so could not identify the account balances of customers. Deficiencies in software quality often results in costly emergency fixes damage to a brand’s reputation, software company defaulters – large repayments Software defects are extremely costly in term of .