If building mobile apps is on your mind, you will certainly want a service-oriented architecture (SOA) that entitles you to easily accomplish and repeat mobile services. You can then easily reach back-end systems, quickly create new apps, and easily upgrade individual services. The use of application servers such as J2EE or .NET for hosting applications is becoming more prevalent. If your company is using a component-based development practices and application servers for business logic, then you are already service-oriented. By following the SOA mind set with even more fervour, combined with the component-based approach to software development, your organization will realize many benefits
Maximum Return on Investment
The introduction of a vigorous service layer has an advantage of a better return on the investment made in the creation of the software. Services map to distinct business domains. For example, a company might create an inventory service that has all of the methods necessary to manage the inventory for the company. By putting this reasoning into a different layer, the layer can exist well beyond the lifetime of any system it is composed into.
Enhanced Testing/Greater Results
Developers can use tools such as JUnit for building test suites. These test suites can be run to demonstrate the service independently from any application that uses the service. It is also a good practice to run the unit tests during an automated build process. There is no reason for a QA tester to test an application if the unit tests did not complete successfully. Frequent and quality testing usually results in lesser defects and an increase overall level of quality.
Increasing Business Agility
Increasing business agility is the most impressive benefit of SOA, as well as the most tough to quantify. While simplification of integration and improvement of reuse are technology-centric benefits, business users also ask for greater flexibility from IT. Rather than simply creating requirements that they then toss over the IT development wall for months-long implementation cycles, business users want immediate control over their operations so that they can make quick changes to their businesses as market forces change.
The current SOA infrastructure provides most of what is needed, and the additional services can be added without much difficulty.
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