IBM Cloud is IBM's enterprise-grade public cloud platform, deeply differentiated by its hybrid cloud architecture, regulated-industry compliance, and native integration with the watsonx AI and data portfolio. Unlike the hyperscalers whose lineage is pure public cloud, IBM Cloud was purpose-built for organizations that must keep mission-critical workloadsβmainframe, Power, SAP, regulated databasesβclose to on-premises infrastructure while consuming modern cloud services. The key mental model: IBM Cloud is not trying to win on breadth of services; it wins on governance, compliance, and IBM-legacy workload continuity, making it the platform of choice for financial institutions, government, and enterprises running IBM i, AIX, or Db2 at scale.
What This Cheat Sheet Covers
This topic spans 18 focused tables and 129 indexed concepts. Below is a complete table-by-table outline of this topic, spanning foundational concepts through advanced details.
Table 1: IBM Cloud Core Infrastructure Services
IBM Cloud's foundational infrastructure services cover compute, storage, networking, and container orchestration. These are the building blocks every architecture on the platform begins with, and understanding their scope and integration points is essential before diving into higher-level PaaS offerings.
| Service | Example | Description |
|---|---|---|
us-south region, 3 zones, subnets, security groups, ACLs | β’ Logically isolated network with subnets, security groups, and ACLs β’ supports zero-trust networking and Bare Metal, VSI, and Kubernetes compute | |
bx2-4x16 profile (4 vCPU, 16 GB RAM) | β’ On-demand VM in a VPC β’ profiles span balanced, memory, compute, GPU, and confidential β’ billed per second | |
bx2d-metal-96x384 bare metal with NVMe local storage | β’ Single-tenant physical server in VPC fabric β’ supports VMware and latency-sensitive workloads β’ FS-validated | |
ibmcloud ks cluster create vpc-gen2 --name mycluster | β’ Fully managed, CNCF-certified Kubernetes β’ integrates with VPC, IAM, Block/File storage, Secrets Manager β’ 99.99% SLA for multi-zone clusters | |
ibmcloud oc cluster create vpc-gen2 --version 4.18 | β’ Fully managed OpenShift (Kubernetes + developer tooling) β’ FS-validated β’ supports confidential computing tech preview and OpenShift Virtualization (GA May 2026). | |
ibmcloud cos bucket-create --bucket mybucket --region us-south | β’ S3-compatible distributed object store β’ resiliency options: cross-region, regional, single data center β’ Smart Tier auto-optimizes cost across hot/cool/cold | |
--profile 10iops-tier (10 IOPS/GB) | β’ SSD-backed persistent block volumes (10/5/3 IOPS-tier or custom) β’ attached to VSIs in a zone β’ encrypted at rest by default β’ FS-validated. |