Low Latency API Management for Microservices framework Light-4-J – with Red Hat 3scale

In an earlier blog, we wrote about how very low latencies in Java-based microservices can be achieved through our plug-in wrapper. That solution was general in nature, applicable to any API service.

In this blog, we show that the plug-in wrapper is applicable to a specific microservices framework – the open source microservices framework Light-4-J. In particular, we took an implementation of a microservices chaining tutorial, built upon it, and applied our Java plug-in wrapper API management component to it.

As we stated in our first blog, this approach may be well used for a particular use-case, i.e. internal API traffic, typically microservice to microservice. Services exposed to external parties, outside the DMZ, can continue to use the API gateway deployment for its routing and security capabilities. And indeed this differentiates Red Hat 3scale from other vendors in that both the plug-in deployment and the gateway deployment are feasible.

Figure 1 – Plug-in approach: API Management intelligence and configuration are decoupled from traffic enforcement and reporting

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