Designing for FTT=1 and STT=1 Without Creating Hidden Risk vSAN Stretched Clusters are often positioned as the pinnacle of on‑premises availability design: two active data centers, synchronous storage replication, and automated recovery. Yet in practice, many stretched clusters fail not…
Admission Control is the policy engine within VMware vSphere HA that enforces survivability guarantees.Its purpose is not performance optimization—it is risk containment. Admission Control ensures that the cluster never commits more compute resources than it can safely recover after a defined failure…
VMware stretched clusters are frequently treated as the gold standard of availability design. They promise zero recovery point objective, automated failover, and the comforting idea that an entire site can disappear without anyone noticing. In presentation decks and architecture diagrams,…
In contemporary enterprise infrastructure, security failures rarely stem from a lack of tools or controls. More often, they arise from architectural assumptions that no longer hold under modern threat conditions. One such assumption is that management systems and business workloads…
Zero Trust Principle Zero Trust Intent VCF Construct(s) How VCF Enforces the Principle Assume Breach Design as if compromise is inevitable Management Domain / Workload Domain separation VCF enforces a dedicated Management Domain, ensuring that compromise of workloads does not…
A Threat‑Informed Security Architecture Perspective Modern enterprise security architecture is shaped by the convergence of three influential frameworks: MITRE ATT&CK, NIST Special Publication 800‑53, and Zero Trust Architecture. Each addresses cybersecurity risk from a different angle—adversary behavior, control requirements, and…
Designing a modern VMware availability and disaster recovery strategy often feels like a forced choice between two competing priorities: achieving near-zero downtime or protecting workloads across long geographic distances. VMware Stretched Clusters are exceptionally effective at delivering continuous availability across…
Few terms in enterprise IT are used as loosely as hybrid cloud. For some, it simply means “we still have data centers.” For others, it’s a transitional state—on the way to being “fully cloud.” In boardrooms, the term is often…
