{"id":3965,"date":"2026-05-01T12:00:43","date_gmt":"2026-05-01T12:00:43","guid":{"rendered":"https:\/\/cloudobjectivity.co.uk\/?p=3965"},"modified":"2026-05-04T12:01:36","modified_gmt":"2026-05-04T12:01:36","slug":"design-and-architecture-considerations-for-vsphere-kubernetes-service-vks-on-vcf","status":"publish","type":"post","link":"https:\/\/cloudobjectivity.co.uk\/index.php\/2026\/05\/01\/design-and-architecture-considerations-for-vsphere-kubernetes-service-vks-on-vcf\/","title":{"rendered":"Design and Architecture Considerations for vSphere Kubernetes Service (VKS) on VCF"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"3965\" class=\"elementor elementor-3965\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-16cadd0c e-flex e-con-boxed e-con e-parent\" data-id=\"16cadd0c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3f90c130 elementor-widget elementor-widget-text-editor\" data-id=\"3f90c130\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t\n<p id=\"p-rc_7b240604e15612e9-107\"><strong>Executive Overview<\/strong><\/p>\n\n\n\n<p id=\"p-rc_7b240604e15612e9-107\">Provisioning a Kubernetes cluster is easy; keeping it alive and secure in a regulated enterprise is hard. This analysis summarizes a high-level briefing on the <strong>vSphere Kubernetes Service (VKS)<\/strong>, the native Kubernetes engine of VCF. It moves the conversation beyond &#8220;just containers&#8221; to the necessary infrastructure supporting them\u2014load balancing, persistent storage, and networking\u2014to ensure that developers get a public-cloud experience without compromising IT\u2019s control over the data center.<sup><\/sup><\/p>\n\n\n\n<p><strong>Features<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Modular Deployment Zones:<\/strong> Offers four architectural models, from a single Management Zone for dev\/test to a Three-Zone &#8220;Isolated Workload&#8221; model for maximum production resilience.<\/li>\n\n\n\n<li><strong>Integrated Load Balancing:<\/strong> Introduces the &#8220;Foundation Load Balancer&#8221; for L4 traffic (replacing HA Proxy) and advanced L4\u2013L7 capabilities via <strong>VMware Avi<\/strong> for WAF and global DNS.<\/li>\n\n\n\n<li><strong>NSX Virtual Private Cloud (VPC):<\/strong> A new networking standard that mirrors public cloud isolation, allowing tenants to self-service their own private network segments.<\/li>\n\n\n\n<li><strong>Native Storage Support:<\/strong> Automated provisioning of persistent volumes with support for both Read-Write-Once (RWO) and Read-Write-Many (RWX) through vSAN File Services.<\/li>\n<\/ul>\n\n\n\n<p><strong>Benefits<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>High Availability by Design:<\/strong> By spreading worker nodes across isolated zones, the platform can survive the failure of entire server racks or management clusters.<\/li>\n\n\n\n<li><strong>Operational Simplicity:<\/strong> IT operators manage Kubernetes as a first-class citizen alongside VMs, using the same tools (vCenter) and security policies.<\/li>\n\n\n\n<li><strong>Public Cloud Parity:<\/strong> Developers can use standard Kubernetes APIs to request load balancers and storage, eliminating the &#8220;ticket wait time.&#8221;<\/li>\n\n\n\n<li><strong>Regulatory Compliance:<\/strong> Leverages VCF&#8217;s built-in micro-segmentation to isolate container traffic, ensuring that a vulnerability in one pod doesn&#8217;t expose the entire data center.<\/li>\n<\/ul>\n\n\n\n<p><strong>Use Cases<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mission-Critical Apps:<\/strong> Running financial or healthcare applications that require a &#8220;Three Management Zone&#8221; setup for 99.99% availability.<\/li>\n\n\n\n<li><strong>DevOps Pipelines:<\/strong> Providing automated, ephemeral Kubernetes clusters for CI\/CD testing environments.<\/li>\n\n\n\n<li><strong>Cloud Repatriation:<\/strong> Moving containerized workloads from AWS or Azure back to VCF to reduce variable monthly costs.<\/li>\n<\/ul>\n\n\n\n<p><strong>Alternatives<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>DIY Kubernetes (K8s on Bare Metal):<\/strong> Offers more flexibility but places a massive &#8220;management tax&#8221; on the IT team for Day 2 operations like patching and scaling.<\/li>\n\n\n\n<li><strong>Managed Public Cloud K8s (EKS\/GKE):<\/strong> Excellent for speed, but can lead to high data egress fees and loss of control over data residency.<\/li>\n<\/ul>\n\n\n\n<p id=\"p-rc_7b240604e15612e9-113\"><strong>Alternative Perspective<\/strong><\/p>\n\n\n\n<p id=\"p-rc_7b240604e15612e9-113\">The most robust &#8220;Three-Zone&#8221; deployment model significantly increases the hardware and licensing footprint.<sup><\/sup> Organizations must weigh the cost of this extra hardware against their actual uptime requirements. For many, the &#8220;Single Management Zone&#8221; model provides a more cost-effective balance while still offering enterprise-grade features.<\/p>\n\n\n\n<p><strong>Final Thoughts<\/strong><\/p>\n\n\n\n<p>VKS is the &#8220;glue&#8221; that makes VMware Cloud Foundation a true cloud platform rather than just a virtualization suite. By automating the complex networking and storage requirements of Kubernetes, VCF 9.0 allows IT teams to act as platform engineers rather than just server admins.<\/p>\n\n\n\n<p><strong>Source<\/strong><\/p>\n\n\n\n<p><a target=\"_blank\" rel=\"noreferrer noopener\" href=\"https:\/\/blogs.vmware.com\/cloud-foundation\/2026\/04\/29\/webinar-recap-design-and-architecture-considerations-for-vmware-vsphere-kubernetes-service-on-vmware-cloud-foundation\/\">Webinar Recap: Design and Architecture Considerations for VMware vSphere Kubernetes Service on VMware Cloud Foundation<\/a> (Published: April 29, 2026)<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Executive Overview Provisioning a Kubernetes cluster is easy; keeping it alive and secure in a regulated enterprise is hard. This analysis summarizes a high-level briefing on the vSphere Kubernetes Service (VKS), the native Kubernetes engine of VCF. It moves the conversation beyond &#8220;just containers&#8221; to the necessary infrastructure supporting them\u2014load balancing, persistent storage, and networking\u2014to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_theme","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[25,26,28,32],"class_list":["post-3965","post","type-post","status-publish","format-standard","hentry","category-vmware-news","tag-ai","tag-aws","tag-azure","tag-security"],"_links":{"self":[{"href":"https:\/\/cloudobjectivity.co.uk\/index.php\/wp-json\/wp\/v2\/posts\/3965","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cloudobjectivity.co.uk\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cloudobjectivity.co.uk\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cloudobjectivity.co.uk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cloudobjectivity.co.uk\/index.php\/wp-json\/wp\/v2\/comments?post=3965"}],"version-history":[{"count":4,"href":"https:\/\/cloudobjectivity.co.uk\/index.php\/wp-json\/wp\/v2\/posts\/3965\/revisions"}],"predecessor-version":[{"id":3969,"href":"https:\/\/cloudobjectivity.co.uk\/index.php\/wp-json\/wp\/v2\/posts\/3965\/revisions\/3969"}],"wp:attachment":[{"href":"https:\/\/cloudobjectivity.co.uk\/index.php\/wp-json\/wp\/v2\/media?parent=3965"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cloudobjectivity.co.uk\/index.php\/wp-json\/wp\/v2\/categories?post=3965"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cloudobjectivity.co.uk\/index.php\/wp-json\/wp\/v2\/tags?post=3965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}