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Consul
Consul

589
475
+ 1
181
Istio
Istio

205
220
+ 1
20
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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?

Consul is a tool for service discovery and configuration. Consul is distributed, highly available, and extremely scalable.

What is Istio?

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.
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    What are some alternatives to Consul and Istio?
    etcd
    etcd is a distributed key value store that provides a reliable way to store data across a cluster of machines. It’s open-source and available on GitHub. etcd gracefully handles master elections during network partitions and will tolerate machine failure, including the master.
    Zookeeper
    A centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services. All of these kinds of services are used in some form or another by distributed applications.
    SkyDNS
    SkyDNS is a distributed service for announcement and discovery of services. It leverages Raft for high-availability and consensus, and utilizes DNS queries to discover available services. This is done by leveraging SRV records in DNS, with special meaning given to subdomains, priorities and weights (more info here: http://blog.gopheracademy.com/skydns).
    Ambassador
    Map services to arbitrary URLs in a single, declarative YAML file. Configure routes with CORS support, circuit breakers, timeouts, and more. Replace your Kubernetes ingress controller. Route gRPC, WebSockets, or HTTP.
    Kubernetes
    Kubernetes is an open source orchestration system for Docker containers. It handles scheduling onto nodes in a compute cluster and actively manages workloads to ensure that their state matches the users declared intentions.
    See all alternatives
    Decisions about Consul and Istio
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    Interest over time
    Reviews of Consul and Istio
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    How developers use Consul and Istio
    Avatar of Chris Hartwig
    Chris Hartwig uses ConsulConsul

    All our services use Consul for discovery, configuration and cluster management (auto scaling, health monitoring, dynamic reconfiguration, leader elections)

    Avatar of Tom Staijen
    Tom Staijen uses ConsulConsul

    Discovery service. Some configuration is stored in consul.

    Avatar of Robert Hao
    Robert Hao uses ConsulConsul

    I used Consul as config center & service discoverer.

    Avatar of Ismael Arenzana
    Ismael Arenzana uses ConsulConsul

    How else do you discover microservices? ;)

    Avatar of exana
    exana uses ConsulConsul

    For service discovery.

    How much does Consul cost?
    How much does Istio cost?
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