https://www.cloudarchpro.com Independent cloud architecture and FinOps consulting across AWS, Azure, Google Cloud and Alibaba Cloud. Architecture reviews, cost optimization and multi-cloud guidance across APAC. en-us https://www.cloudarchpro.com/guides/apac-architecture/alibaba-cloud-apac/ https://www.cloudarchpro.com/guides/apac-architecture/alibaba-cloud-apac/ Sun, 30 Aug 2026 00:00:00 GMT Resource Directory, RAM, CEN and VPC design for APAC on Alibaba Cloud, including Singapore and China mainland regions. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/guides/reliability-and-dr/cross-region-disaster-recovery/ https://www.cloudarchpro.com/guides/reliability-and-dr/cross-region-disaster-recovery/ Sun, 30 Aug 2026 00:00:00 GMT How to pick RTO, RPO and failover mechanics across AWS, Azure and Google Cloud regions without treating a second AZ as DR. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/guides/networking/egress-cost-planning/ https://www.cloudarchpro.com/guides/networking/egress-cost-planning/ Sun, 30 Aug 2026 00:00:00 GMT How to estimate inter-AZ, inter-region and internet egress before the invoice, using native cost data and published meters. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/guides/ai-infrastructure/gpu-ai-cost-governance/ https://www.cloudarchpro.com/guides/ai-infrastructure/gpu-ai-cost-governance/ Sun, 30 Aug 2026 00:00:00 GMT Unit cost for training and inference, idle GPU time, and how reservations differ from general compute FinOps. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/guides/networking/hub-and-spoke-networking/ https://www.cloudarchpro.com/guides/networking/hub-and-spoke-networking/ Sun, 30 Aug 2026 00:00:00 GMT Transit Gateway, Azure hub-spoke, Shared VPC and when inspection and egress belong in the hub. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/guides/kubernetes-and-containers/kubernetes-cost-allocation/ https://www.cloudarchpro.com/guides/kubernetes-and-containers/kubernetes-cost-allocation/ Sun, 30 Aug 2026 00:00:00 GMT How to attribute cluster spend to namespaces and workloads on EKS, AKS and GKE using native billing labels and Kubecost. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/guides/cloud-migration/migration-readiness-assessment/ https://www.cloudarchpro.com/guides/cloud-migration/migration-readiness-assessment/ Sun, 30 Aug 2026 00:00:00 GMT What to inventory, decide and refuse before you move production systems to AWS, Azure or Google Cloud. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/guides/landing-zones/multi-account-structure/ https://www.cloudarchpro.com/guides/landing-zones/multi-account-structure/ Sun, 30 Aug 2026 00:00:00 GMT How to split AWS accounts, Azure subscriptions and Google Cloud projects so blast radius, billing and policy stay separable. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/guides/identity-and-security/multi-cloud-identity/ https://www.cloudarchpro.com/guides/identity-and-security/multi-cloud-identity/ Sun, 30 Aug 2026 00:00:00 GMT Federation, workload identity and trust boundaries when AWS, Azure and Google Cloud all run production. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/guides/cloud-architecture/production-landing-zone/ https://www.cloudarchpro.com/guides/cloud-architecture/production-landing-zone/ Sun, 30 Aug 2026 00:00:00 GMT Account structure, identity, networking and logging a production landing zone needs on AWS, Azure and Google Cloud. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/guides/finops-and-cost/tagging-and-cost-allocation/ https://www.cloudarchpro.com/guides/finops-and-cost/tagging-and-cost-allocation/ Sun, 30 Aug 2026 00:00:00 GMT A tag dictionary, inheritance and unallocated spend on AWS, Azure and Google Cloud billing exports. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/guides/finops-and-cost/unexpected-cost-increases/ https://www.cloudarchpro.com/guides/finops-and-cost/unexpected-cost-increases/ Sun, 30 Aug 2026 00:00:00 GMT Isolate a spend spike by service, account and usage type before you change architecture or delete resources. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/guides/serverless/when-serverless-fits/ https://www.cloudarchpro.com/guides/serverless/when-serverless-fits/ Sun, 30 Aug 2026 00:00:00 GMT Use functions or request-driven containers when the unit of work is an invocation with documented duration limits. Steady workers usually stay on nodes. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/blog/apac-region-defaults/ https://www.cloudarchpro.com/blog/apac-region-defaults/ Sun, 30 Aug 2026 00:00:00 GMT US-East-first reference architectures pick the wrong primary region, underestimate intra-APAC latency and ignore Alibaba Cloud. Opinion labelled as such. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/blog/how-we-review-cloud-architecture/ https://www.cloudarchpro.com/blog/how-we-review-cloud-architecture/ Sun, 30 Aug 2026 00:00:00 GMT The evidence classes, artefacts and limits we use in a landing-zone or FinOps review. Method, not a case study. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/runbooks/autoscaling-failure/ https://www.cloudarchpro.com/runbooks/autoscaling-failure/ Sun, 30 Aug 2026 00:00:00 GMT Separate a policy that never fired from quota, regional capacity, launch failure, failed health checks and scale-in protection before you raise max size. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/runbooks/cross-region-traffic-cost/ https://www.cloudarchpro.com/runbooks/cross-region-traffic-cost/ Sun, 30 Aug 2026 00:00:00 GMT Separate inter-AZ, inter-region and internet egress on the bill, then find the copy or failover path that grew. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/runbooks/dns-routing-failure/ https://www.cloudarchpro.com/runbooks/dns-routing-failure/ Sun, 30 Aug 2026 00:00:00 GMT Diagnose hosted-zone, resolver and health-check failures on Route 53, Azure DNS, Cloud DNS and Alibaba Cloud DNS. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/runbooks/expired-certificate/ https://www.cloudarchpro.com/runbooks/expired-certificate/ Sun, 30 Aug 2026 00:00:00 GMT Replace an expired TLS certificate on ACM, Azure Key Vault / Application Gateway, Certificate Manager and Alibaba SSL Certificates without dropping the old listener first. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/runbooks/iam-access-lockout/ https://www.cloudarchpro.com/runbooks/iam-access-lockout/ Sun, 30 Aug 2026 00:00:00 GMT Regain administrative access without deleting the last admin, and use documented break-glass paths on each provider. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/runbooks/kubernetes-cluster-cost-increase/ https://www.cloudarchpro.com/runbooks/kubernetes-cluster-cost-increase/ Sun, 30 Aug 2026 00:00:00 GMT Separate control-plane fees from node, volume, load-balancer and egress cost when a cluster bill jumps. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/runbooks/nat-gateway-cost-increase/ https://www.cloudarchpro.com/runbooks/nat-gateway-cost-increase/ Sun, 30 Aug 2026 00:00:00 GMT Find why NAT or Cloud NAT spend rose by separating hourly gateway charges from bytes processed. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/runbooks/quota-exhaustion/ https://www.cloudarchpro.com/runbooks/quota-exhaustion/ Sun, 30 Aug 2026 00:00:00 GMT Identify the quota that blocked a create or scale call, then request an increase or change the design without guessing the limit. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/runbooks/region-failover/ https://www.cloudarchpro.com/runbooks/region-failover/ Sun, 30 Aug 2026 00:00:00 GMT Execute documented DNS or anycast failover, and separate that from ad-hoc region moves that are not in the DR plan. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/runbooks/unexpected-cost-spike/ https://www.cloudarchpro.com/runbooks/unexpected-cost-spike/ Sun, 30 Aug 2026 00:00:00 GMT Isolate a cloud spend spike by account, service and usage type before you delete or resize anything. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/learn/cloud-networking-fundamentals/ https://www.cloudarchpro.com/learn/cloud-networking-fundamentals/ Sun, 30 Aug 2026 00:00:00 GMT AWS VPCs are regional, Azure VNets are regional, Google Cloud VPCs are global with regional subnets, and Alibaba Cloud VPCs are regional with zonal vSwitches. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/learn/iam-fundamentals/ https://www.cloudarchpro.com/learn/iam-fundamentals/ Sun, 30 Aug 2026 00:00:00 GMT AWS IAM, Azure RBAC, Google Cloud IAM, and Alibaba Cloud RAM evaluate identity and authorization differently. Federation does not merge those models. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/learn/regions-azs-failure-domains/ https://www.cloudarchpro.com/learn/regions-azs-failure-domains/ Sun, 30 Aug 2026 00:00:00 GMT Regions, zones, and provider-specific isolation boundaries define which failures a multi-AZ design can survive and which ones require another region. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/learn/cloud-cost-allocation-fundamentals/ https://www.cloudarchpro.com/learn/cloud-cost-allocation-fundamentals/ Sun, 30 Aug 2026 00:00:00 GMT Cost allocation maps provider usage to an owner using accounts or subscriptions first, then activated tags or labels. Untagged spend is part of the report. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/learn/shared-responsibility-model/ https://www.cloudarchpro.com/learn/shared-responsibility-model/ Sun, 30 Aug 2026 00:00:00 GMT Each provider documents a split between security of the platform and security of your configuration, data, and identities. The line moves by service model. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/learn/what-is-a-landing-zone/ https://www.cloudarchpro.com/learn/what-is-a-landing-zone/ Sun, 30 Aug 2026 00:00:00 GMT A landing zone is the baseline multi-account or multi-subscription environment that applies identity, network, logging, and policy before the first production workload is deployed. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/learn/what-is-ai-finops/ https://www.cloudarchpro.com/learn/what-is-ai-finops/ Sun, 30 Aug 2026 00:00:00 GMT AI FinOps is FinOps applied to AI spend: GPU capacity, idle time, managed-model tokens, and unit costs that generic cloud allocation does not show. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/learn/what-is-cloud-architecture/ https://www.cloudarchpro.com/learn/what-is-cloud-architecture/ Sun, 30 Aug 2026 00:00:00 GMT Cloud architecture is the set of tenancy, identity, network, failure-domain, and cost-ownership decisions that determine how workloads run on AWS, Azure, Google Cloud, or Alibaba Cloud. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/learn/what-is-finops/ https://www.cloudarchpro.com/learn/what-is-finops/ Sun, 30 Aug 2026 00:00:00 GMT FinOps is the FinOps Foundation's operating practice for technology value: timely cost data, shared accountability, and decisions made by engineering, finance, and the business together. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/) https://www.cloudarchpro.com/learn/what-is-multi-cloud/ https://www.cloudarchpro.com/learn/what-is-multi-cloud/ Sun, 30 Aug 2026 00:00:00 GMT Multi-cloud is running production workloads on more than one provider, each with its own identity, network, billing, and failure-domain model. Ankit Mehta (https://www.cloudarchpro.com/authors/ankit-mehta/)