Author: Dr. Pranay Jha
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Securing VKS Clusters: RBAC, Pod Security and Namespace Isolation (VKS Series, Part 10)
VKS security is two layers people constantly blur. Here is who runs a cluster versus who uses it, and the four controls that real tenant isolation actually needs.
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Autoscaling VKS: Cluster Autoscaler and Node Pool Scaling (VKS Series, Part 9)
The Cluster Autoscaler turns fixed node pools elastic, but only within your quota. Here is how min and max really work, how it differs from the HPA, and why the quota always wins.
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VKS Storage: vSphere CSI, Storage Policies and Persistent Volumes (VKS Series, Part 8)
VKS storage is the vSphere CSI stack in Kubernetes clothes. Here is how a PVC becomes a disk, why RWX and cross-zone resilience break designs, and what to do about it.
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Load Balancing and Ingress for VKS: NSX Native vs Avi (VKS Series, Part 7)
A LoadBalancer service gets its IP from the Supervisor, not the cluster. Here is how the Layer 4 defaults compare with Avi Layer 7, and when the extra component earns its place.
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VKS Networking: NSX, VPCs and the CNI Options (VKS Series, Part 6)
Antrea by default, NSX VPCs or VDS on 9.1, and CIDRs that must not collide. Here is the VKS networking design that keeps clusters reachable instead of stuck.
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VKS Cluster Sizing: VM Classes, Node Pools and Control-Plane Topology (VKS Series, Part 5)
Node size in VKS comes from a VM class, not a free-form number. Here is how VM classes, node pools and the one-or-three control plane decision actually shape a cluster.
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Provisioning VKS Clusters: ClusterClass and the Cluster API Workflow (VKS Series, Part 4)
Provisioning a VKS cluster is a Cluster API workflow, not a wizard. Here is the manifest, the deprecated API to avoid, and how to read the cluster lifecycle honestly.
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Enabling vSphere Supervisor and the VKS Runtime in VCF 9 (VKS Series, Part 3)
Two gates stand between a workload domain and a running VKS cluster: a healthy Supervisor and a content library. Here are the prerequisites, and the blockers that actually bite.
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VKS Architecture: Supervisor, Namespaces and Workload Clusters (VKS Series, Part 2)
The Supervisor, vSphere Namespaces and workload clusters look alike and behave nothing alike. Here is how the three layers fit together, and where tenancy actually lives.
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What vSphere Kubernetes Service Is and Why It Replaced TKG (VKS Series, Part 1)
VKS is Tanzu Kubernetes Grid Service renamed, not a new product. Here is what actually changed under the rename, where VKS sits in VCF 9, and who it is really for.
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The Economics and Future of Generative AI: An Honest Take (GenAI Series, Part 30)
An honest take to close the series: why GPU utilization is the real cost lever, a blunt verdict on the hype, what is actually coming, and a recap with reading paths.
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Mixture-of-Experts and Where AI Architecture Is Heading (GenAI Series, Part 29)
Mixture-of-experts models hold enormous capacity but activate only a few experts per token, so they run cheaply. How MoE works, its memory catch, and the trends to watch.
Architect’s Toolkit
PJ’s Tools
VMware Cloud Foundation
- VCF Documentation
- VCF 9 Planning & Preparation Workbook
- VCF Bill of Materials (BoM)
- VMware Compatibility Guide
- VMware Interoperability Matrix
- VMware Configuration Maximums
- VMware Ports & Protocols
- VMware Hands-on Labs
- RVTools Download
Nutanix
AI & Cloud-Native Platform
- NVIDIA Build (Model Catalog)
- NVIDIA AI Enterprise Reference Architecture
- NVIDIA NIM Performance Benchmarking
- NVIDIA NGC Catalog
- NeMo Microservices Helm Chart
- Helm Charts Repository
- Hugging Face Models
Architecture & Design
About the Author
Dr Pranay Jha
Dr. Pranay Jha is a Cloud and AI Consultant with 18+ years of experience in hybrid cloud, virtualization, and enterprise infrastructure transformation. He specializes in VMware technologies, multi-cloud strategy, and Generative AI solutions. He holds a PhD in Computer Applications with research focused on Cloud and AI, has published multiple research papers, and has been a VMware vExpert since 2016 and a VMUG Community Leader.
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