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What is Consul?

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

What is Eureka?

Eureka is a REST (Representational State Transfer) based service that is primarily used in the AWS cloud for locating services for the purpose of load balancing and failover of middle-tier servers.

What is Serf?

Serf is a service discovery and orchestration tool that is decentralized, highly available, and fault tolerant. Serf runs on every major platform: Linux, Mac OS X, and Windows. It is extremely lightweight: it uses 5 to 10 MB of resident memory and primarily communicates using infrequent UDP messages.
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          What tools integrate with Consul?
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            What are some alternatives to Consul, Eureka, and Serf?
            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.
            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 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:
            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.
            Redis is an open source, BSD licensed, advanced key-value store. It is often referred to as a data structure server since keys can contain strings, hashes, lists, sets and sorted sets.
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            How developers use Consul, Eureka, and Serf
            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?
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