AWS Elastic Load Balancing (ELB) vs Vulcand

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AWS Elastic Load Balancing (ELB)
AWS Elastic Load Balancing (ELB)

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AWS Elastic Load Balancing (ELB) vs Vulcand: What are the differences?

AWS Elastic Load Balancing (ELB): Automatically distribute your incoming application traffic across multiple Amazon EC2 instances. With Elastic Load Balancing, you can add and remove EC2 instances as your needs change without disrupting the overall flow of information. If one EC2 instance fails, Elastic Load Balancing automatically reroutes the traffic to the remaining running EC2 instances. If the failed EC2 instance is restored, Elastic Load Balancing restores the traffic to that instance. Elastic Load Balancing offers clients a single point of contact, and it can also serve as the first line of defense against attacks on your network. You can offload the work of encryption and decryption to Elastic Load Balancing, so your servers can focus on their main task; Vulcand: Programmatic load balancer backed by Etcd. Vulcand is a programmatic extendable proxy for microservices and API management. It is inspired by Hystrix and powers Mailgun microservices infrastructure.

AWS Elastic Load Balancing (ELB) and Vulcand belong to "Load Balancer / Reverse Proxy" category of the tech stack.

Some of the features offered by AWS Elastic Load Balancing (ELB) are:

  • Distribution of requests to Amazon EC2 instances (servers) in multiple Availability Zones so that the risk of overloading one single instance is minimized. And if an entire Availability Zone goes offline, Elastic Load Balancing routes traffic to instances in other Availability Zones.
  • Continuous monitoring of the health of Amazon EC2 instances registered with the load balancer so that requests are sent only to the healthy instances. If an instance becomes unhealthy, Elastic Load Balancing stops sending traffic to that instance and spreads the load across the remaining healthy instances.
  • Support for end-to-end traffic encryption on those networks that use secure (HTTPS/SSL) connections.

On the other hand, Vulcand provides the following key features:

  • Uses Etcd as a configuration backend.
  • API and command line tool.
  • Pluggable middlewares.

Vulcand is an open source tool with 2.8K GitHub stars and 214 GitHub forks. Here's a link to Vulcand's open source repository on GitHub.

- No public GitHub repository available -

What is AWS Elastic Load Balancing (ELB)?

With Elastic Load Balancing, you can add and remove EC2 instances as your needs change without disrupting the overall flow of information. If one EC2 instance fails, Elastic Load Balancing automatically reroutes the traffic to the remaining running EC2 instances. If the failed EC2 instance is restored, Elastic Load Balancing restores the traffic to that instance. Elastic Load Balancing offers clients a single point of contact, and it can also serve as the first line of defense against attacks on your network. You can offload the work of encryption and decryption to Elastic Load Balancing, so your servers can focus on their main task.

What is Vulcand?

Vulcand is a programmatic extendable proxy for microservices and API management. It is inspired by Hystrix and powers Mailgun microservices infrastructure.
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        What are some alternatives to AWS Elastic Load Balancing (ELB) and Vulcand?
        HAProxy
        HAProxy (High Availability Proxy) is a free, very fast and reliable solution offering high availability, load balancing, and proxying for TCP and HTTP-based applications.
        Traefik
        A modern HTTP reverse proxy and load balancer that makes deploying microservices easy. Traefik integrates with your existing infrastructure components and configures itself automatically and dynamically.
        Envoy
        Originally built at Lyft, Envoy is a high performance C++ distributed proxy designed for single services and applications, as well as a communication bus and “universal data plane” designed for large microservice “service mesh” architectures.
        DigitalOcean Load Balancer
        Load Balancers are a highly available, fully-managed service that work right out of the box and can be deployed as fast as a Droplet. Load Balancers distribute incoming traffic across your infrastructure to increase your application's availability.
        GLBC
        It is a GCE L7 load balancer controller that manages external loadbalancers configured through the Kubernetes Ingress API.
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        Decisions about AWS Elastic Load Balancing (ELB) and Vulcand
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        How developers use AWS Elastic Load Balancing (ELB) and Vulcand
        Avatar of Volkan Özçelik
        Volkan Özçelik uses AWS Elastic Load Balancing (ELB)AWS Elastic Load Balancing (ELB)

        I use an Application Load Balancer to balance the load to the EC2 clusters of nightly.zerotoherojs.com and dojo.zerotoherojs.com.

        Addditionally, ELB protects my cluster against DDOS attacks: So it is multi-birds with one stone.

        Avatar of Hevelop
        Hevelop uses AWS Elastic Load Balancing (ELB)AWS Elastic Load Balancing (ELB)

        We're progressively migrating from classic ELB to newer ALB for ssl offloading and NLB for internal load balancing.

        Avatar of Promethean TV
        Promethean TV uses AWS Elastic Load Balancing (ELB)AWS Elastic Load Balancing (ELB)

        AWS ELB is used to load balance various web and application services across multiple EC2 instances.

        Avatar of Bùi Thanh
        Bùi Thanh uses AWS Elastic Load Balancing (ELB)AWS Elastic Load Balancing (ELB)
        • Application type
        • SSL free
        • forwarding by rules.
        • multiple target groups with only one ALB
        Avatar of Werarewe
        Werarewe uses AWS Elastic Load Balancing (ELB)AWS Elastic Load Balancing (ELB)

        For balancing the presentation tier, and for SSL offloading (which is great for performance.)

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