Your Team Has Been Tasked To Develop An Application That Wou

Your Team Has Been Tasked To Develop An Application That Would Allow E

Your team has been tasked to develop an application that would allow either a librarian or a library patron to determine whether the library has an available copy of a book, video, or other item. The application then would support a librarian emailing each of those patrons who have a checked-out copy of the item regarding when they expect to return the item. The librarian then could send an email to the patron requesting the item indicating when it might become available. Which architectural style would you propose for this application and why? Please read instructions carefully and must view the attachment where you can choose an architectural style. Thanks

Paper For Above instruction

Proposed Architectural Style for Library Management Application

The development of an application that manages the availability of library items and facilitates communication between librarians and patrons necessitates a thoughtful selection of an architectural style. After analyzing the functional requirements—checking item availability, managing checked-out items, and sending targeted emails to users—the Service-Oriented Architecture (SOA) emerges as the most suitable choice. This architectural style emphasizes modularity, flexibility, and interoperability, which align well with the diverse functionalities required in a library management system.

Justification for Choosing Service-Oriented Architecture (SOA)

Service-Oriented Architecture (SOA) structures an application into distinct, loosely coupled services that communicate over a network. Each service encapsulates a specific function—such as inventory management, user authentication, email notification, or search capabilities—allowing independent development, deployment, and maintenance.

One of the key advantages of SOA for this application is its ability to integrate heterogeneous systems and technologies. Libraries often have legacy systems and various databases; SOA can facilitate seamless integration by exposing functionalities as services, which can be consumed by other parts of the application or external systems.

Furthermore, SOA’s modular design supports scalability and flexibility. As the library's needs evolve—for example, adding new notification channels or expanding to multiple branches—the architecture can adapt without overhauling the entire system. New services can be introduced, and existing ones updated independently.

Components of the Proposed Architecture

The architecture would comprise several key services:

• Catalog Service: Manages the inventory of books, videos, and other items, enabling status checks for availability.
• Checkout Service: Keeps track of checked-out items, due dates, and patron details.
• User Management Service: Handles authentication and maintains patron and librarian profiles.
• Notification Service: Sends emails to patrons about return dates or requests for item availability.
• Search Service: Facilitates searching for items and checking their status.

Implementation Benefits

Implementing this system using SOA allows for decentralization of functions, which improves system robustness and maintainability. When the catalog needs updating, for example, that service can be modified independently, reducing potential system-wide disruptions. Additionally, services can be reused by other applications or integrated into future systems, enhancing long-term value.

In terms of communication, SOA employs standard protocols such as REST or SOAP, enabling interoperability between different systems and technologies. This approach simplifies the integration of email servers or third-party notification platforms, further enhancing the application's capabilities.

Conclusion

Given the requirements to check item availability, manage checkouts, and communicate effectively with patrons, Service-Oriented Architecture (SOA) provides a flexible, scalable, and interoperable foundation. Its modular structure aligns well with the diverse functionalities needed in a library management system and supports future growth and technological integration.

References

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• Richardson, C. (2018). Microservices Patterns: With examples in Java. Manning Publications.
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