CoreOS rkt / Container Linux (project ended) vs. Kubernetes

Overview
ProductRatingMost Used ByProduct SummaryStarting Price
CoreOS rkt / Container Linux (project ended)
Score 7.0 out of 10
N/A
CoreOS rkt or Container Linux was a rival to Docker that was acquired by Red Hat, then given to the Cloud Native Computing Foundation (CNCF). The project has since been discontinued.N/A
Kubernetes
Score 8.8 out of 10
N/A
Kubernetes is an open-source container cluster manager.N/A
Pricing
CoreOS rkt / Container Linux (project ended)Kubernetes
Editions & Modules
No answers on this topic
No answers on this topic
Offerings
Pricing Offerings
CoreOS rkt / Container Linux (project ended)Kubernetes
Free Trial
NoNo
Free/Freemium Version
NoNo
Premium Consulting/Integration Services
NoNo
Entry-level Setup FeeNo setup feeNo setup fee
Additional Details
More Pricing Information
Community Pulse
CoreOS rkt / Container Linux (project ended)Kubernetes
Top Pros
Top Cons
Features
CoreOS rkt / Container Linux (project ended)Kubernetes
Container Management
Comparison of Container Management features of Product A and Product B
CoreOS rkt / Container Linux (project ended)
-
Ratings
Kubernetes
7.8
1 Ratings
1% below category average
Security and Isolation00 Ratings10.01 Ratings
Container Orchestration00 Ratings7.01 Ratings
Cluster Management00 Ratings9.01 Ratings
Storage Management00 Ratings9.01 Ratings
Resource Allocation and Optimization00 Ratings8.01 Ratings
Discovery Tools00 Ratings5.01 Ratings
Update Rollouts and Rollbacks00 Ratings5.01 Ratings
Analytics, Monitoring, and Logging00 Ratings9.01 Ratings
Best Alternatives
CoreOS rkt / Container Linux (project ended)Kubernetes
Small Businesses
IBM Cloud Kubernetes Service
IBM Cloud Kubernetes Service
Score 9.4 out of 10
IBM Cloud Kubernetes Service
IBM Cloud Kubernetes Service
Score 9.4 out of 10
Medium-sized Companies
IBM Cloud Kubernetes Service
IBM Cloud Kubernetes Service
Score 9.4 out of 10
IBM Cloud Kubernetes Service
IBM Cloud Kubernetes Service
Score 9.4 out of 10
Enterprises
IBM Cloud Kubernetes Service
IBM Cloud Kubernetes Service
Score 9.4 out of 10
IBM Cloud Kubernetes Service
IBM Cloud Kubernetes Service
Score 9.4 out of 10
All AlternativesView all alternativesView all alternatives
User Ratings
CoreOS rkt / Container Linux (project ended)Kubernetes
Likelihood to Recommend
7.0
(2 ratings)
8.9
(16 ratings)
User Testimonials
CoreOS rkt / Container Linux (project ended)Kubernetes
Likelihood to Recommend
Open Source
CoreOS rkt is well suited for any development environment where operating systems and hardware are not homogeneous. CoreOS rkt allows us to write code on one machine with the confidence that it will work on any other. This has been immensely helpful as our developers are often switching to the latest and greatest machines and operating systems. CoreOS rkt is less suited for environments that are not Software as a Service. There is often no need to bring the entire developer environment and associated dependencies when delivering a one time product. In these environments CoreOS rkt just adds unneeded overhead.
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Kubernetes
K8s should be avoided - If your application works well without being converted into microservices-based architecture & fits correctly in a VM, needs less scaling, have a fixed traffic pattern then it is better to keep away from Kubernetes. Otherwise, the operational challenges & technical expertise will add a lot to the OPEX. Also, if you're the one who thinks that containers consume fewer resources as compared to VMs then this is not true. As soon as you convert your application to a microservice-based architecture, a lot of components will add up, shooting your resource consumption even higher than VMs so, please beware. Kubernetes is a good choice - When the application needs quick scaling, is already in microservice-based architecture, has no fixed traffic pattern, most of the employees already have desired skills.
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Pros
Open Source
  • Running a secure container without messing up with low-level details
  • Very clear and straightforward approach to building a container
  • A way to go for new projects thinking of containers
  • Comprehensive and well-written documentation compatible with UNIX keep it simple way of thinking
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Kubernetes
  • Complex cluster management can be done with simple commands with strong authentication and authorization schemes
  • Exhaustive documentation and open community smoothens the learning process
  • As a user a few concepts like pod, deployment and service are sufficient to go a long way
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Cons
Open Source
  • Market share, it's often very difficult to find new talent who use CoreOS rkt.
  • Lack of wow features, CoreOS rkt doesn't necessarily offer any immediate advantages over other container solutions.
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Kubernetes
  • Local development, Kubernetes does tend to be a bit complicated and unnecessary in environments where all development is done locally.
  • The need for add-ons, Helm is almost required when running Kubernetes. This brings a whole new tool to manage and learn before a developer can really start to use Kubernetes effectively.
  • Finicy configmap schemes. Kubernetes configmaps often have environment breaking hangups. The fail safes surrounding configmaps are sadly lacking.
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Alternatives Considered
Open Source
Docker, lxc, Ubuntu Snappy, partisan chroot+unshare Reformulating the problem and realizing a container is not necessary when a testing environment with clearly defined behavior.
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Kubernetes
Most of the required features for any orchestration tool or framework, which is provided by Kubernetes. After understanding all modules and features of the K8S, it is the best fit for us as compared with others out there.
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Return on Investment
Open Source
  • Developers spend less time configuring and more time coding.
  • Less time training developers as CoreOS rkt lets them use whatever hardware and operating system they want.
  • Reduced our IT costs, solutions are containerized using CoreOS rkt meaning they can write one solution with many developers in mind.
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Kubernetes
  • Because of microservices, Kubernetes makes it easy to find the cost of each application easily.
  • Like every new technology, initially, it took more resources to educate ourselves but over a period of time, I believe it's going to be worth it.
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ScreenShots