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Culture & Methods

Bots Are Coming! Approaches for Testing Conversational Interfaces

Voice-based computing interfaces need testing with an adapted approached, suited for their specificity and context. Some things need to be adapted (test strategy, testing approach, validation criteria), while others can be re-used (e.g. API testing approaches and tools), and some require learning new things (e.g. testing artificial intelligence models and components).

Lucian Adrian
on Apr 17, 2019
Architecture & Design

Transforming the Healthcare Industry through API Marketplaces

A key problem in the healthcare industry is that valuable data points are hidden and siloed. Through an API marketplace, we can expose these data points securely and make them accessible by healthcare industry stakeholders and citizens alike, improving efficiency in the industry and enabling innovation in population health technologies.

Sachini Samson Chanaka Fernando Nuwan Bandara
on Mar 17, 2019
DevOps

Ambassador: Building a Control Plane for an Envoy-Powered API Gateway on Kubernetes

This article provides an insight into the creation of the Ambassador open source API gateway for Kubernetes, and discusses the technical challenges and lessons learned from building a developer-focused control plane for managing ingress or "edge" traffic within microservice-based applications.

Daniel Bryant
on Feb 06, 2019
Architecture & Design

Overcoming RESTlessness

New API protocols like GraphQL, gRPC, and Apache Kafka have risen in popularity as alternatives to REST-inspired HTTP APIs. Instead of seeking to replace REST, the software engineering industry should seek to evolve by building on the maturity of the REST ecosystem while exploiting the technological strengths of the new protocols.

Matt McLarty
on Feb 01, 2019
Development

Rewriting an API Gateway Service from Clojure to Golang: AppsFlyer Experience Report

AppsFlyer processes nearly 70+ billion HTTP requests a day, and is built using a microservices architecture style. The entry point to the system that wraps all of the frontend services is a mission-critical (non-micro) service called the API Gateway. This article is an experience reporting of migrating from a Clojure-based gateway to a newly designed Go-based implementation.

Asaf Yonay
on Jan 31, 2019
.NET

How to Test ASP.NET Core Web API

In this article, we will investigate testing your ASP.NET Core 2.0 Web API solutions. We will look at internal testing with Unit Testing and externally testing your solution with a new testing framework in ASP.NET Core called Integration Testing.

Chris Woodruff
on Dec 29, 2018
Architecture & Design

Give REST a Rest with RSocket

Representational State Transfer (REST) has become the de facto standard for communicating between microservices. The author argues that is not a good thing. We need a modern material to replace HTTP for creating modern services. Open source RSocket is designed for services. It is a connection-oriented, message-driven protocol with built-in flow control at the application level.

Robert Roeser
on Oct 15, 2018
.NET

The Argument for WCF Hosting in .NET Core

Should WCF Hosting be Supported in .NET Core? To a lot of people this seems like a strange question; the answer is obviously... yes? no? Well actually it is quite contentious with people on both sides of the issue fiercely arguing for their position. We’ll try to unpack the debate and explain the arguments on both sides.

Jonathan Allen
on Aug 22, 2018
Architecture & Design

PSD2: Blessing or Curse for Banks?

PSD2 will force all European banks to offer three APIs (Accounts, Transactions and Payments) free of charges to all 3rd parties approved by the ECB. This will allow new players to bring new and innovative products to the financial sector. For a successful transformation into a digital company, banks must evolve on three axis: Culture & People, Technology & Skills and Technical debt management.

Pieter De Rycke
on Aug 02, 2018
Architecture & Design

Building an API Gateway with the Ballerina Programming Language

An API Gateway is a layer in an architecture pattern that allows the business API to focus on the business functionality while taking care of the request dispatching, policy enforcement, protocol translations and analytics. This article is about how we built an API Gateway in Ballerina for the WSO2 API Manager.

Nuwan Dias
on Jul 18, 2018
.NET

Advanced Architecture for ASP.NET Core Web API

This article looks into how ASP.NET Core makes it easy to build a modern web API. This enables an implementation that is easy to design, test, and maintain. By using the Ports and Adapter Pattern business logic can be decoupled from API frameworks and data access.

Chris Woodruff
on Jun 01, 2018
Java

Designing, Implementing, and Using Reactive APIs

Reactive programming is a hot topic in the Java world. Whether you want to leverage non-blocking APIs, manage the latency introduced by the explosion of microservices, or simply utilize computing resources more efficiently, it's time to look at reactive as a viable programming model. In this article, we offer some opinions on how you should design, implement and use reactive APIs.

Ben Hale Paul Harris
on Feb 16, 2018