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Eureka vs Spring Cloud: What are the differences?

Key Differences Between Eureka and Spring Cloud

1. Service Discovery and Registration: Eureka is a service registry that allows services to discover and register with it, while Spring Cloud is a framework that provides a set of tools and abstractions to build distributed systems. Eureka provides a central place where microservices can register themselves, whereas Spring Cloud incorporates Eureka and offers additional features for service discovery and registration.

2. Client-Side Load Balancing: Eureka supports client-side load balancing where the client is responsible for choosing an appropriate instance of a service to send requests to. On the other hand, Spring Cloud offers more advanced load balancing options by integrating popular load balancers like Ribbon and Zuul, providing more control and flexibility in distributing requests to different instances.

3. Configuration Management: Eureka does not have built-in support for distributed configuration management. In contrast, Spring Cloud Config is a module of Spring Cloud that provides support for centralized configuration management across multiple services. It allows services to dynamically fetch configuration properties from a centralized server, making it easier to manage and update configurations.

4. Circuit Breaker Pattern: Eureka does not come with circuit breaker support out-of-the-box. However, Spring Cloud incorporates Hystrix, a library that implements the circuit breaker pattern, allowing services to handle failures and latency issues. The circuit breaker can open, close, and half-open, enabling fallback behavior and preventing cascading failures in a distributed system.

5. Integration with Other Technologies: Eureka is more closely tied to the Netflix stack, as it was built by Netflix for their own use. On the other hand, Spring Cloud is a more generalized framework that integrates with various technologies and platforms, making it easier to adopt and use in different environments.

6. Community and Support: Eureka has a smaller community compared to Spring Cloud, which has a larger user base and more active contributors. Spring Cloud has extensive documentation, a broader range of resources, and frequent updates, making it more robust and well-supported.

In summary, Eureka is primarily a service registry, while Spring Cloud is a comprehensive framework that incorporates Eureka and provides additional features for service discovery, load balancing, configuration management, circuit breaking, and integration with different technologies. Spring Cloud has a larger community, more extensive support, and broader integration capabilities compared to Eureka.

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Pros of Eureka
Pros of Spring Cloud
  • 21
    Easy setup and integration with spring-cloud
  • 9
    Web ui
  • 8
    Monitoring
  • 8
    Health checking
  • 7
    Circuit breaker
  • 6
    Netflix battle tested components
  • 6
    Service discovery
  • 4
    Open Source
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    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 Spring Cloud?

    It provides tools for developers to quickly build some of the common patterns in distributed systems.

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    What companies use Spring Cloud?
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    What are some alternatives to Eureka and Spring Cloud?
    Consul
    Consul is a tool for service discovery and configuration. Consul is distributed, highly available, and extremely scalable.
    Zuul
    It is the front door for all requests from devices and websites to the backend of the Netflix streaming application. As an edge service application, It is built to enable dynamic routing, monitoring, resiliency, and security. Routing is an integral part of a microservice architecture.
    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.
    JavaScript
    JavaScript is most known as the scripting language for Web pages, but used in many non-browser environments as well such as node.js or Apache CouchDB. It is a prototype-based, multi-paradigm scripting language that is dynamic,and supports object-oriented, imperative, and functional programming styles.
    Git
    Git is a free and open source distributed version control system designed to handle everything from small to very large projects with speed and efficiency.
    See all alternatives