One key aspect of service oriented architectures is late binding of services:

One key aspect of service oriented architectures is late
binding of services: That is while
an application is being executed the system can bind to the
required concrete service.
i. Service selection in inContext makes use of non-
functional and functional aspects.
Discuss briefly the difference between functional and non-
functional aspects in SoA
and why it is necessary to consider both when selecting
services.
ii. Discuss briefly how the inContext platform uses
relevance ranking for service selection.
Explain in particular how context data is being used.
Continued

Question Posted / s. m. ghufran ahmad

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One key aspect of service oriented architectures is late binding of services: That is while an ap..

Answer / Sidharth Kumar

i. Functional aspects of a Service Oriented Architecture (SoA) refer to the specific functionality that a service provides, such as its business operations, inputs, and outputs. Non-functional aspects, on the other hand, focus on the quality attributes of the service, including performance, security, reliability, scalability, and maintainability.rnConsidering both functional and non-functional aspects is crucial when selecting services in SoA because it ensures that the chosen service not only meets the functional requirements but also satisfies the necessary quality attributes to deliver a high-quality, robust, and reliable solution.rnii. The inContext platform uses relevance ranking for service selection by analyzing both functional and non-functional aspects of available services. Context data plays a significant role in this process, as it helps to understand the specific needs and constraints of the client application, enabling the platform to select the most suitable service based on various factors.rnFor instance, when selecting a service for processing user payments, the platform may consider functional aspects such as payment gateway support, currency compatibility, and payment types. Non-functional aspects like performance, security, and reliability are also evaluated based on context data to ensure that the selected service can handle the required transaction volume and maintain a secure environment.

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