HashiCorp
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CommentsWhat is Consul?
Consul is a tool for service discovery and configuration. Consul is distributed, highly available, and extremely scalable.
Consul is a tool in the API Tools category of a tech stack.
Key Features
Service Discovery - Consul makes it simple for services to register themselves and to discover other services via a DNS or HTTP interface. External services such as SaaS providers can be registered as well.Health Checking - Health Checking enables Consul to quickly alert operators about any issues in a cluster. The integration with service discovery prevents routing traffic to unhealthy hosts and enables service level circuit breakers.Key/Value Storage - A flexible key/value store enables storing dynamic configuration, feature flagging, coordination, leader election and more. The simple HTTP API makes it easy to use anywhere.Multi-Datacenter - Consul is built to be datacenter aware, and can support any number of regions without complex configuration.
Consul Pros & Cons
Pros of Consul
- ✓Great service discovery infrastructure
- ✓Health checking
- ✓Distributed key-value store
- ✓Monitoring
- ✓High-availability
- ✓Web-UI
- ✓Token-based acls
- ✓Gossip clustering
- ✓Dns server
- ✓Not Java
Cons of Consul
No cons listed yet.
Consul Alternatives & Comparisons
What are some alternatives to Consul?
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.
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.
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.
