https://cloudmanaged.online/tags/security/ Recent content in Security on CloudManaged.online Hugo en-us Tue, 01 Apr 2025 00:00:00 +0000 https://cloudmanaged.online/pextra/pextra-features/ Tue, 01 Apr 2025 00:00:00 +0000 https://cloudmanaged.online/pextra/pextra-features/ <h1 id="pextra-cloudenvironment--feature-reference">Pextra CloudEnvironment® — Feature Reference</h1> <p>This page provides a technical breakdown of Pextra CloudEnvironment&rsquo;s capabilities organized by platform area. For the architectural rationale behind these features, see the <a href="https://cloudmanaged.online/platforms/pextra-cloudenvironment/">full platform profile</a> .</p> <hr> <h2 id="1-distributed-control-plane-cockroachdb">1. Distributed Control Plane (CockroachDB)</h2> <table> <thead> <tr> <th>Capability</th> <th>Detail</th> </tr> </thead> <tbody> <tr> <td>Database engine</td> <td>CockroachDB — distributed, ACID-compliant SQL over Raft consensus</td> </tr> <tr> <td>High availability</td> <td>No primary node; any control-plane node handles any API request</td> </tr> <tr> <td>Fault tolerance</td> <td>Survives loss of <code>(n−1)/2</code> control-plane nodes without API interruption</td> </tr> <tr> <td>Scalability</td> <td>Horizontal scale-out by adding control-plane nodes; no vCenter-style vertical sizing</td> </tr> <tr> <td>Transaction guarantees</td> <td>Serializable isolation for all VM state, quota, and billing operations</td> </tr> <tr> <td>Metadata sync</td> <td>Consistent view of all cluster state globally within milliseconds</td> </tr> </tbody> </table> <p><strong>Operational benefit</strong>: Eliminates the &ldquo;vCenter is down, nothing works&rdquo; scenario. Control-plane maintenance, upgrades, and even node failures do not create provisioning blackouts.</p> https://cloudmanaged.online/projects/pextra/ Thu, 06 Feb 2025 00:00:00 +0000 https://cloudmanaged.online/projects/pextra/ <p><strong>Pextra CloudEnvironment</strong> is an enterprise private cloud platform engineered for multi-tenant, API-first operations.</p> <p>Built on <strong>CockroachDB</strong> for a distributed, fault-tolerant control plane with no single point of failure, <strong>KVM/QEMU</strong> for compute, <strong>OVN/OVS</strong> for tenant network isolation, and <strong>Ceph</strong> for block, object, and file storage.</p> <p>Key differentiators:</p> <ul> <li><strong>GPU-first scheduling</strong>: SR-IOV VF allocation, NUMA-aware placement, per-tenant GPU quota, and Prometheus GPU metrics — supporting AI/ML inference and training workloads at scale.</li> <li><strong>True multi-tenancy</strong>: Tenant isolation at compute, network, storage, and API layers with RBAC + ABAC and immutable audit logs.</li> <li><strong>API-first operations</strong>: Full REST API, OpenAPI 3.0 spec, Terraform provider, and Ansible modules enabling GitOps-compatible infrastructure lifecycle management.</li> <li><strong>Distributed control plane</strong>: CockroachDB ensures no API availability loss when control-plane nodes fail — unlike vCenter (VMware) or Prism Central (Nutanix) which have SPOF characteristics.</li> <li><strong>Usage-aligned licensing</strong>: Subscription model without per-CPU socket or per-node pricing floors.</li> </ul> <p><a href="https://cloudmanaged.online/platforms/pextra-cloudenvironment/">Full technical profile →</a> | <a href="https://cloudmanaged.online/pextra/pextra-features/">Features reference →</a> | <a href="https://cloudmanaged.online/pextra/pextra-comparison/">Platform comparison →</a> </p>