Architecture Patterns—Modern App Development

Opinionated patterns with recommended technologies choices.

Web or mobile applications

Web applications typically contain a front end which is what users see, and a back end which has the business logic. In response to a user or API request, a web application interacts with the API or with data stored in a file system, object storage, block storage, or database. The application must support different clients, such as browsers and mobile devices, and interact with other systems and apps by using APIs.

Messaging

Messaging solutions connect application components—including existing on-premises systems—to cloud solutions. This can enable data transfer as part of a well-defined distributed processing pipeline, or for publication of messages to multiple independent downstream systems that evolve independently.

Event-driven

In the cloud, an event is any significant occurrence or change in a system. The core tenets of an event-driven architecture are capture, communicate, process, and persist events. When building an event-driven application on OCI, you can subscribe to changes in your cloud resources and to events generated by your application. This enables you to respond to them in near real-time. Most modern apps built with microservices rely on an event-driven architecture.

Big data and analytics

Big data is a set of capabilities and patterns that enables you to manage, collect, store, catalog, prepare, process, and analyze all data types (unstructured, semi-structured, and structured)—whether they come from sources such as databases, videos, forms, documents, log files, web pages, or images. Oracle's big data capabilities span various services and tools so that you can begin your big data journey based on your skills and preferences.

Machine learning (ML) and AI

Data scientists and ML engineers don’t want to spend time provisioning, upgrading, patching, and securing infrastructure. They want to build, train, deploy, and monitor models that impact the business. A machine-learning platform should be fully managed and allow them to perform all these steps in the model development lifecycle.

SaaS extensions

Oracle Fusion Cloud, the enterprise software as a service (SaaS) offering from Oracle, spans solutions for areas such as HCM, ERP, SCM, and CX. It provides extensive functionality, but sometimes organizations want to create customized UI and business processes that extend that functionality. These extension apps integrate with information from Oracle Fusion Cloud, use the same security layer, and often “mash up” data from other systems, delivering a user experience that seamlessly integrates with Oracle Cloud Apps.

Low-code

Low-code platforms are well suited for building opportunistic applications in collaboration with business stakeholders; building data reporting and analysis apps; extending SaaS apps; and modernizing legacy applications. Every line of code has a cost associated with it—to author it, maintain it, debug it, upgrade it, and secure it. Oracle Application Express (APEX) helps developers avoid these costs by providing high-level components and common design patterns through an intuitive and graphical development experience.

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