With the June 2018 release of Red Hat 3scale API Management 2.2, adding API Gateway policies to your API management layer is easier than ever.
What is a Policy?
Red Hat 3scale API Management provides units of functionality that modify the behavior of the API Gateway without the need to implement code. These management components are know in 3scale as policies. The configuration for the bundled policies is available from the API Manager Portal, where you can define the behavior of your API integration.
The order in which the policies are executed, known as the “policy chain”, can be configured to introduce differing behavior based on the position of the policy in the chain. Adding custom headers, perform URL rewriting, enable CORS, and configurable caching are some of the most common API gateway capabilities implemented as policies.
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Today’s modern infrastructure faces the complex challenge of managing user’s access to the resources. To protect system and data integrity, companies have implemented identity and access management (IAM) solutions for their in-house systems. IAM solutions address three major concepts: identity, authentication, and authorization. Their job is to ensure that only authenticated and authorized users have access to resources or information. Every IAM solution on the market provides a great set of features such as:
- Single Sign-On (SSO)
- Centralized policy-based authentication and authorization
- Identity federation
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Microservices are currently enjoying immense popularity. It is rare to find a tech conference without at least a few mentions of them in corridor conversations or titles of talks, and for good reason: microservices can provide a path to better, more maintainable, higher quality software delivered faster. What’s not to love?
Of course there are the “negatives” and details in the implementation of microservices that can trip up even the most seasoned architect-developer, but at the same time we are collectively learning from mistakes and creating or reusing fantastic open source projects and products that can help smooth over those rough bits.
One such project is Apache Camel (and Fuse, its Red Hat-supported distribution.) Created way before the microservices revolution, Apache Camel was born to ease integration of disparate computing systems by implementing well-tested enterprise integration patterns (EIPs) and supplying a developer-friendly interface for writing code to do the integration.
Continue reading “Microservices: Comparing DIY with Apache Camel”