There are essentially two basic approaches to design:
The artistic ideal of expressing yourself
The engineering ideal of solving a problem for a customer.
Design is the engineering activity that leads to a high-quality
product. This leads us to a recurring question that is encountered
in all engineering disciplines: What is quality?
Some other quality attributes
Security
WebApps have become heavily integrated with critical corporate
and government databases. E-commerce applications extract and
then store sensitive customer information.
Rebuff (Reject) external attacks
Exclude unauthorized access
Ensure the privacy of users/customers
Availability
The measure of the percentage of time that a WebApp is available
for use.
Scalability
Can the WebApp and the systems with which it is interfaced
handle significant variation in user or transaction volume… If
numbers of users are extend…
Time to Market
although time-to-market is not a true quality attribute in the
technical sense, it is a measure of quality from a business point of
view.
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