Consul vs Istio: What are the differences?
What is Consul? A tool for service discovery, monitoring and configuration. Consul is a tool for service discovery and configuration. Consul is distributed, highly available, and extremely scalable.
What is Istio? Open platform to connect, manage, and secure microservices, by Google, IBM, and Lyft. Istio is an 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, such as Kubernetes, Mesos, etc.
Consul belongs to "Open Source Service Discovery" category of the tech stack, while Istio can be primarily classified under "Microservices Tools".
"Great service discovery infrastructure" is the primary reason why developers consider Consul over the competitors, whereas "Zero code for logging and monitoring" was stated as the key factor in picking Istio.
Consul and Istio are both open source tools. Istio with 18.5K GitHub stars and 3.1K forks on GitHub appears to be more popular than Consul with 16.4K GitHub stars and 2.85K GitHub forks.
According to the StackShare community, Consul has a broader approval, being mentioned in 134 company stacks & 55 developers stacks; compared to Istio, which is listed in 32 company stacks and 30 developer stacks.
What is Consul?
What is Istio?
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All our services use Consul for discovery, configuration and cluster management (auto scaling, health monitoring, dynamic reconfiguration, leader elections)