Category Archives: API Management

WSO2 API Manager Multi Data Center Deployment Architecture

This has been a hot topic at WSO2 as many of our users and customers often ask how they can deploy WSO2 API Manager in a multi-datacenter setup. This blog post is an effort to elaborate the technical details and … Continue reading

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Online Taxi Service – A Typical Use Case of EDA

Event-driven architectures (EDAs) are sometimes called messaging systems. A message is simply an event or vice versa, an event becomes a message. The concept of an event-driven system is that everything that could benefit is notified of these events simultaneously … Continue reading

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API Registry and Service Registry

[Based on a post originally appearing at http://asanka.abeysinghe.org/2014/07/api-registry-and-service-registry.html.] Registry acts as a core component in Service Oriented Architecture (SOA). Early SOA reference architecture named the registry as a service broker for service providers to publish service definitions, allowing service consumers … Continue reading

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Implementing an API Façade with the WSO2 API Management Platform

[Based on a post originally appearing at http://asanka.abeysinghe.org.] In my previous post I described about the reference architecture of API Façade. This post gives implementation details using the WSO2 API Management Platform and the WSO2 ESB. Business scenario: A backend … Continue reading

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A Pragmatic Approach to the API Façade Pattern

[Based on a post originally appearing at http://asanka.abeysinghe.org/2013/04/pragmatic-approach-to-api-facade-pattern.html.] Business APIs expose business functionality for access by external and internal consumers.  In technical terms APIs provide an abstract layer for the internal business services to cater to consumer demand. Most service … Continue reading

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WSO2 Platform for API Management

One of the niceties of mainframes was the simplicity of a single API for the users.  After years of evolution towards a decentralized model we still find this pattern appearing, even among SOA implementations that span many subsystems and service … Continue reading

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Public Services Gateway and Internal Services Gateway Patterns

I wrote earlier about defining a Generic API in your SOA by encapsulating the heterogeneous service platforms that you find in your infrastructure. The two patterns I’ll discuss today are sub-patterns that we can refine from the features provided by … Continue reading

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Defining a Generic API

With a premium placed on loose coupling, a typical SOA deployment displays a high degree of heterogeneity. Different service platforms run in scattered datacenters on a variety of server hardware, operating systems, and development platforms. The services expose different communication … Continue reading

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