# Red Hat OpenShift Kubernetes Engine, Solaris Zones vs Docker Comparison | | Red Hat OpenShift Kubernetes Engine | Solaris Zones | Docker | |---|---|---|---| | **Star Rating** | 4.5 out of 5 | 4.6 out of 5 | 4.6 out of 5 | | **Total Reviews** | 15 | 10 | 295 | | **Largest Market Segment** | Mid-Market (40.0% of reviews) | Small-Business (44.4% of reviews) | Small-Business (40.1% of reviews) | | **Entry Level Price** | No pricing available | No pricing available | No pricing available | --- ## Ratings Comparison | Rating | Red Hat OpenShift Kubernetes Engine | Solaris Zones | Docker | |---|---|---|---| | **Meets Requirements** | 8.6 (11 reviews) | 8.9 (6 reviews) | 9.2 (234 reviews) | | **Ease of Use** | 8.5 (14 reviews) | 9.2 (6 reviews) | 8.8 (239 reviews) | | **Ease of Setup** | 9.2 (8 reviews) | Not enough data | 8.8 (106 reviews) | | **Ease of Admin** | 8.3 (6 reviews) | Not enough data | 9.0 (54 reviews) | | **Quality of Support** | 8.8 (11 reviews) | 8.1 (6 reviews) | 8.4 (191 reviews) | | **Has the product been a good partner in doing business?** | 8.6 (6 reviews) | Not enough data | 9.2 (45 reviews) | | **Product Direction (% positive)** | 9.0 (12 reviews) | 10.0 (5 reviews) | 9.5 (215 reviews) | --- ## Pricing ### Red Hat OpenShift Kubernetes Engine #### Entry-Level Pricing No pricing available #### Free Trial No information available ### Solaris Zones #### Entry-Level Pricing No pricing available #### Free Trial No information available ### Docker #### Entry-Level Pricing No pricing available #### Free Trial No information available --- ## Features Comparison By Category ### Container Engine | Product | Score | Reviews | |---|---|---| | **Red Hat OpenShift Kubernetes Engine** | 8.8/10 | 9 | | **Solaris Zones** | N/A | N/A | | **Docker** | 8.8/10 | 139 | #### Application Support | Feature | Red Hat OpenShift Kubernetes Engine | Solaris Zones | Docker | |---|---|---|---| | **Deployment** | 9.6 (9 reviews) | Not enough data | 9.4 (135 reviews) | | **Interface support** | 8.3 (8 reviews) | Not enough data | 8.7 (111 reviews) | | **Processor support** | 7.9 (8 reviews) | Not enough data | 8.7 (105 reviews) | | **Application Support** | 8.7 (9 reviews) | Not enough data | 9.1 (113 reviews) | #### System Capability | Feature | Red Hat OpenShift Kubernetes Engine | Solaris Zones | Docker | |---|---|---|---| | **Self Healing High Availability** | 8.7 (5 reviews) | Not enough data | 8.3 (104 reviews) | | **Orchestration** | 9.0 (8 reviews) | Not enough data | 8.7 (107 reviews) | | **Scalability** | 9.2 (8 reviews) | Not enough data | 9.0 (113 reviews) | #### Security | Feature | Red Hat OpenShift Kubernetes Engine | Solaris Zones | Docker | |---|---|---|---| | **Automatic Security Updates** | 9.0 (8 reviews) | Not enough data | 8.8 (103 reviews) | | **Security updates** | 8.7 (9 reviews) | Not enough data | 8.7 (107 reviews) | ### Enterprise Kubernetes Management | Product | Score | Reviews | |---|---|---| | **Red Hat OpenShift Kubernetes Engine** | N/A | N/A | | **Solaris Zones** | N/A | N/A | | **Docker** | N/A | N/A | #### Fleet & Lifecycle Management - Enterprise Kubernetes Management | Feature | Red Hat OpenShift Kubernetes Engine | Solaris Zones | Docker | |---|---|---|---| | **Automated Cluster Provisioning & Onboarding** | Not enough data | Not enough data | Not enough data | | **Multi-Cluster Fleet Management** | Not enough data | Not enough data | Not enough data | | **Cluster Templates & Blueprints** | Not enough data | Not enough data | Not enough data | #### Day-2 Operations & Reliability - Enterprise Kubernetes Management | Feature | Red Hat OpenShift Kubernetes Engine | Solaris Zones | Docker | |---|---|---|---| | **Auto-Remediation for Nodes & Clusters** | Not enough data | Not enough data | Not enough data | | **Resource & Cost Visibility** | Not enough data | Not enough data | Not enough data | | **Backup & Restore for Cluster Resources** | Not enough data | Not enough data | Not enough data | #### Identity & Access Management - Enterprise Kubernetes Management | Feature | Red Hat OpenShift Kubernetes Engine | Solaris Zones | Docker | |---|---|---|---| | **Policy-Based Access Controls** | Not enough data | Not enough data | Not enough data | | **Enterprise SSO Integration** | Not enough data | Not enough data | Not enough data | | **Multi-Tenancy & Team Isolation** | Not enough data | Not enough data | Not enough data | | **Centralized RBAC Across Clusters** | Not enough data | Not enough data | Not enough data | #### Governance, Policy & Compliance - Enterprise Kubernetes Management | Feature | Red Hat OpenShift Kubernetes Engine | Solaris Zones | Docker | |---|---|---|---| | **Compliance Reporting & History** | Not enough data | Not enough data | Not enough data | | **Standards Guardrails for Cluster Config** | Not enough data | Not enough data | Not enough data | | **Audit Logging & Forensics** | Not enough data | Not enough data | Not enough data | #### App Delivery & Platform Integrations - Enterprise Kubernetes Management | Feature | Red Hat OpenShift Kubernetes Engine | Solaris Zones | Docker | |---|---|---|---| | **CI/CD Toolchain Integrations** | Not enough data | Not enough data | Not enough data | | **GitOps-Based Config & Deployment** | Not enough data | Not enough data | Not enough data | --- ## Categories **Shared Categories (1):** [Container Engine Software](https://www.g2.com/categories/container-engine) **Unique to Red Hat OpenShift Kubernetes Engine (1):** [ Enterprise Kubernetes Management Software](https://www.g2.com/categories/enterprise-kubernetes-management) **Unique to Docker (2):** [Service Discovery Software](https://www.g2.com/categories/service-discovery), [Container Registry Software](https://www.g2.com/categories/container-registry) --- ## Reviewer Demographics ### By Company Size | Segment | Red Hat OpenShift Kubernetes Engine | Solaris Zones | Docker | |---|---|---|---| | **Small-Business** | 20.0% | 44.4% | 40.1% | | **Mid-Market** | 40.0% | 33.3% | 31.5% | | **Enterprise** | 40.0% | 22.2% | 28.3% | ### By Industry #### Red Hat OpenShift Kubernetes Engine - **Computer Software:** 26.7% - **Information Technology and Services:** 20.0% - **Banking:** 13.3% - **Telecommunications:** 6.7% - **Retail:** 6.7% - **Oil & Energy:** 6.7% - **Media Production:** 6.7% - **Insurance:** 6.7% - **Automotive:** 6.7% #### Solaris Zones - **Computer Software:** 22.2% - **Computer & Network Security:** 22.2% - **Staffing and Recruiting:** 11.1% - **Semiconductors:** 11.1% - **Market Research:** 11.1% - **International Affairs:** 11.1% - **Information Technology and Services:** 11.1% #### Docker - **Information Technology and Services:** 32.6% - **Computer Software:** 31.2% - **Financial Services:** 2.9% - **Telecommunications:** 2.9% - **Internet:** 2.2% - **Education Management:** 1.8% - **Computer & Network Security:** 1.8% - **Higher Education:** 1.8% - **Banking:** 1.8% - **Health, Wellness and Fitness:** 1.4% - **Other:** 19.6% --- ## Alternatives ### Alternatives to Red Hat OpenShift Kubernetes Engine - [Ubuntu](https://www.g2.com/products/ubuntu/reviews) — 4.5/5 stars (2389 reviews) - [Portainer](https://www.g2.com/products/portainer/reviews) — 4.8/5 stars (294 reviews) - [Mirantis Kubernetes Engine (formerly Docker Enterprise)](https://www.g2.com/products/mirantis-kubernetes-engine-formerly-docker-enterprise/reviews) — 4.4/5 stars (281 reviews) - [Canonical MicroK8s](https://www.g2.com/products/canonical-microk8s/reviews) — 4.4/5 stars (17 reviews) - [IBM WebSphere](https://www.g2.com/products/ibm-websphere/reviews) — 4.1/5 stars (159 reviews) - [SUSE Rancher](https://www.g2.com/products/suse-rancher/reviews) — 4.4/5 stars (122 reviews) - [Oracle Cloud Infrastructure Compute](https://www.g2.com/products/oracle-cloud-infrastructure-compute/reviews) — 4.1/5 stars (67 reviews) - [Virtuozzo](https://www.g2.com/products/virtuozzo/reviews) — 4.4/5 stars (55 reviews) - [Komodor](https://www.g2.com/products/komodor-2025-12-08/reviews) — 4.4/5 stars (36 reviews) - [KubeSphere Container Platform](https://www.g2.com/products/kubesphere-container-platform/reviews) — 4.3/5 stars (12 reviews) ### Alternatives to Solaris Zones - [Red Hat Enterprise Linux](https://www.g2.com/products/red-hat-enterprise-linux/reviews) — 4.6/5 stars (975 reviews) - [Ubuntu](https://www.g2.com/products/ubuntu/reviews) — 4.5/5 stars (2389 reviews) - [IBM WebSphere](https://www.g2.com/products/ibm-websphere/reviews) — 4.1/5 stars (159 reviews) - [Virtuozzo](https://www.g2.com/products/virtuozzo/reviews) — 4.4/5 stars (55 reviews) - [OCI](https://www.g2.com/products/oci/reviews) — 4.3/5 stars (27 reviews) - [Apache Mesos](https://www.g2.com/products/apache-mesos/reviews) — 4.2/5 stars (16 reviews) - [Canonical MicroK8s](https://www.g2.com/products/canonical-microk8s/reviews) — 4.4/5 stars (17 reviews) - [Sandboxie](https://www.g2.com/products/sandboxie/reviews) — 4.6/5 stars (14 reviews) - [Flockport](https://www.g2.com/products/flockport/reviews) — 3.6/5 stars (13 reviews) - [KubeSphere Container Platform](https://www.g2.com/products/kubesphere-container-platform/reviews) — 4.3/5 stars (12 reviews) ### Alternatives to Docker - [Amazon Elastic Container Registry (ECR)](https://www.g2.com/products/amazon-elastic-container-registry-ecr/reviews) — 4.3/5 stars (117 reviews) - [Red Hat Quay](https://www.g2.com/products/red-hat-quay/reviews) — 4.5/5 stars (51 reviews) - [Azure Container Registry](https://www.g2.com/products/azure-container-registry/reviews) — 4.4/5 stars (35 reviews) - [Sonatype Nexus Repository](https://www.g2.com/products/sonatype-nexus-repository/reviews) — 4.5/5 stars (23 reviews) - [Google Container Registry](https://www.g2.com/products/google-container-registry/reviews) — 4.3/5 stars (16 reviews) - [Harbor](https://www.g2.com/products/harbor/reviews) — 4.6/5 stars (14 reviews) - [Sandboxie](https://www.g2.com/products/sandboxie/reviews) — 4.6/5 stars (14 reviews) - [Red Hat Enterprise Linux](https://www.g2.com/products/red-hat-enterprise-linux/reviews) — 4.6/5 stars (975 reviews) - [Ubuntu](https://www.g2.com/products/ubuntu/reviews) — 4.5/5 stars (2389 reviews) - [Google Kubernetes Engine (GKE)](https://www.g2.com/products/google-kubernetes-engine-gke/reviews) — 4.5/5 stars (259 reviews) --- ## Top Discussions ### Red Hat OpenShift Kubernetes Engine No discussions available for this product. ### Solaris Zones No discussions available for this product. ### Docker - Title: [How do I run an image from Docker hub?](https://www.g2.com/discussions/docker-how-do-i-run-an-image-from-docker-hub) — 2 comments > **Top comment:** "docker run -it <imaagename> " - Title: [Are Docker hub images safe?](https://www.g2.com/discussions/docker-are-docker-hub-images-safe) — 2 comments > **Top comment:** "yes they are 100% safe" - Title: [How do I run an image from Docker hub?](https://www.g2.com/discussions/how-do-i-run-an-image-from-docker-hub) — 1 comment > **Top comment:** "Install Docker: Ensure Docker is installed on your machine. Search for the Image: Visit Docker Hub and find the desired image. Pull the Image: Use the..." - Title: [Are Docker hub images safe?](https://www.g2.com/discussions/are-docker-hub-images-safe) — 1 comment > **Top comment:** "No, you need to run static code analysis on any containers before you consider putting them into production. Even a "safe" image today may become unsafe..." - Title: [What is Docker hub repository?](https://www.g2.com/discussions/docker-what-is-docker-hub-repository) — 1 comment > **Top comment:** "Docker Hub repositories allow you share container images with your team, customers, or the Docker community at large. Docker images are pushed to Docker Hub..." --- **Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/red-hat-openshift-kubernetes-engine-vs-solaris-zones-vs-docker-inc-docker)