Istio is described as 'Open platform for providing a uniform way to integrate microservices, manage traffic flow across microservices, enforce policies and aggregate telemetry data. Istio's control plane provides an abstraction layer over the underlying cluster management platform' and is an app in the security & privacy category. There are four alternatives to Istio for a variety of platforms, including Linux, Self-Hosted, SaaS, Mac and Windows apps. The best Istio alternative is Apache APISIX, which is both free and Open Source. Other great apps like Istio are Kong, Cilium and AWS App Mesh.
Apache APISIX is an open-source cloud-native API gateway with dynamic, real-time and high-performance features, based on the NGINX library and etcd.
Kong is a scalable, open source API layer (also known as a API gateway, or API middleware). Kong runs in front of any RESTful API and is extended through plugins, which provide extra functionalities and services beyond the core platform.
A microservices-based application is split into small independent services that communicate with each other via APIs using lightweight protocols like HTTP, gRPC, Kafka and more. However, existing Linux network security mechanisms (e.g.
AWS App Mesh is a service mesh that makes it easy to monitor and control services. A service mesh is an infrastructure layer dedicated to handling service-to-service communication, usually through an array of lightweight network proxies deployed alongside the application code.
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