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AWS Elastic Load Balancing (ELB) vs Rancher: What are the differences?
What is 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.
What is Rancher? Open Source Platform for Running a Private Container Service. Rancher is an open source container management platform that includes full distributions of Kubernetes, Apache Mesos and Docker Swarm, and makes it simple to operate container clusters on any cloud or infrastructure platform.
AWS Elastic Load Balancing (ELB) and Rancher are primarily classified as "Load Balancer / Reverse Proxy" and "Container" tools respectively.
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, Rancher provides the following key features:
- Manage Hosts, Deploy Containers, Monitor Resources
- User Management & Collaboration
- Native Docker APIs & Tools
"Easy" is the primary reason why developers consider AWS Elastic Load Balancing (ELB) over the competitors, whereas "Easy to use" was stated as the key factor in picking Rancher.
Rancher is an open source tool with 11.8K GitHub stars and 1.31K GitHub forks. Here's a link to Rancher's open source repository on GitHub.
Coursera, 9GAG, and Quora are some of the popular companies that use AWS Elastic Load Balancing (ELB), whereas Rancher is used by Packet, Redox Engine, and VCCloud. AWS Elastic Load Balancing (ELB) has a broader approval, being mentioned in 711 company stacks & 301 developers stacks; compared to Rancher, which is listed in 88 company stacks and 35 developer stacks.
Pros of AWS Elastic Load Balancing (ELB)
- Easy48
- ASG integration8
- Reliability2
- Coding1
- SSL offloading0
Pros of Rancher
- Easy to use103
- Open source and totally free79
- Multi-host docker-compose support63
- Load balancing and health check included58
- Simple58
- Rolling upgrades, green/blue upgrades feature44
- Dns and service discovery out-of-the-box42
- Only requires docker37
- Multitenant and permission management34
- Easy to use and feature rich29
- Cross cloud compatible11
- Does everything needed for a docker infrastructure11
- Simple and powerful8
- Next-gen platform8
- Very Docker-friendly7
- Support Kubernetes and Swarm6
- Application catalogs with stack templates (wizards)6
- Supports Apache Mesos, Docker Swarm, and Kubernetes6
- Rolling and blue/green upgrades deployments6
- High Availability service: keeps your app up 24/76
- Easy to use service catalog5
- Very intuitive UI4
- IaaS-vendor independent, supports hybrid/multi-cloud4
- Awesome support4
- Scalable3
- Requires less infrastructure requirements2
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Cons of AWS Elastic Load Balancing (ELB)
Cons of Rancher
- Hosting Rancher can be complicated10
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What is AWS Elastic Load Balancing (ELB)?
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