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    <title>PraxiRun Blog</title>
    <link>https://praxirun.com/blog</link>
    <description>Architecture simulation, skill verification, and enterprise certification insights.</description>
    <language>en-us</language>
    <lastBuildDate>Thu, 27 Aug 2026 18:06:01 GMT</lastBuildDate>
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      <title><![CDATA[Chaos Engineering Without the Chaos — Test Failures Before They Happen]]></title>
      <link>https://praxirun.com/blog/chaos-engineering-without-chaos</link>
      <description><![CDATA[Gremlin and Chaos Monkey inject failures into real systems. PraxiRun simulates them on a calibrated digital twin. Same insights, zero production risk.]]></description>
      <pubDate>Tue, 25 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/chaos-engineering-without-chaos</guid>
      <category>Reliability</category>
    </item>
    <item>
      <title><![CDATA[How to Build a Digital Twin of Your Cloud Infrastructure in 5 Minutes]]></title>
      <link>https://praxirun.com/blog/digital-twin-cloud-infrastructure</link>
      <description><![CDATA[Import your Terraform, connect CloudWatch metrics, and PraxiRun auto-calibrates a live simulation model of your production stack. Run 'what if traffic goes 10x' without touching prod.]]></description>
      <pubDate>Tue, 25 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/digital-twin-cloud-infrastructure</guid>
      <category>Infrastructure</category>
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    <item>
      <title><![CDATA[I Simulated My Retirement Plan — Here's What I Found]]></title>
      <link>https://praxirun.com/blog/simulate-retirement-plan</link>
      <description><![CDATA[I put my actual numbers into PraxiRun's life planning simulator — salary, 401k contributions, student loans, expected promotions. The simulation showed I'd be $340k short at 65. Here's what I changed.]]></description>
      <pubDate>Tue, 25 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/simulate-retirement-plan</guid>
      <category>Life Planning</category>
    </item>
    <item>
      <title><![CDATA[The Secret Weapon for System Design Interviews in 2026]]></title>
      <link>https://praxirun.com/blog/system-design-interview-secret-weapon</link>
      <description><![CDATA[Most candidates draw boxes on a whiteboard. The ones who get offers can explain what happens when traffic spikes 10x — and prove they've seen it happen. PraxiRun gives you that experience before the interview.]]></description>
      <pubDate>Tue, 25 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/system-design-interview-secret-weapon</guid>
      <category>Career</category>
    </item>
    <item>
      <title><![CDATA[Why Architecture Diagrams Are Dead — and What Replaces Them]]></title>
      <link>https://praxirun.com/blog/why-architecture-diagrams-are-dead</link>
      <description><![CDATA[Architecture diagrams show what you intend to build. They cannot show what happens when traffic spikes, failures cascade, or security is misconfigured. Simulation does.]]></description>
      <pubDate>Tue, 25 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/why-architecture-diagrams-are-dead</guid>
      <category>Architecture</category>
    </item>
    <item>
      <title><![CDATA[5 AI Agent Architecture Patterns That Fail in Production]]></title>
      <link>https://praxirun.com/blog/ai-agent-architecture-patterns-that-fail</link>
      <description><![CDATA[Multi-agent systems break in predictable ways. Here are the five most common failure patterns in AI agent architectures — what they look like, why they fail, and how simulation catches them before deployment.]]></description>
      <pubDate>Fri, 21 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/ai-agent-architecture-patterns-that-fail</guid>
      <category>AI/Agentic</category>
    </item>
    <item>
      <title><![CDATA[Architecture Compliance: Simulate SOC2 and HIPAA Before the Audit]]></title>
      <link>https://praxirun.com/blog/architecture-compliance-simulate-before-audit</link>
      <description><![CDATA[Most architecture compliance gaps aren't discovered until the auditor arrives. Simulation lets you find and fix them first — before they cost you the certification.]]></description>
      <pubDate>Fri, 21 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/architecture-compliance-simulate-before-audit</guid>
      <category>Enterprise</category>
    </item>
    <item>
      <title><![CDATA[6 Architecture Mistakes You Only Find Under Load]]></title>
      <link>https://praxirun.com/blog/architecture-mistakes-you-only-find-under-load</link>
      <description><![CDATA[These six architecture anti-patterns look fine in design reviews but cause outages under production load. Learn what they look like in diagrams vs. under simulation.]]></description>
      <pubDate>Fri, 21 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/architecture-mistakes-you-only-find-under-load</guid>
      <category>Architecture</category>
    </item>
    <item>
      <title><![CDATA[Architecture Simulation vs Static Diagramming — Why Movement Matters]]></title>
      <link>https://praxirun.com/blog/architecture-simulation-vs-static-diagramming</link>
      <description><![CDATA[Static diagrams show what you intended to build. Architecture simulation proves what you actually built. Here is why the difference matters before production traffic arrives.]]></description>
      <pubDate>Fri, 21 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/architecture-simulation-vs-static-diagramming</guid>
      <category>Architecture</category>
    </item>
    <item>
      <title><![CDATA[Can Your Architecture Survive Black Friday? Simulate It.]]></title>
      <link>https://praxirun.com/blog/can-your-architecture-survive-black-friday</link>
      <description><![CDATA[10x traffic does predictable things to unprepared architectures. Simulate the spike before it happens — find what breaks, fix it, and deploy with confidence.]]></description>
      <pubDate>Fri, 21 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/can-your-architecture-survive-black-friday</guid>
      <category>Architecture</category>
    </item>
    <item>
      <title><![CDATA[Chaos Engineering Without the Chaos: How to Practice Safely]]></title>
      <link>https://praxirun.com/blog/chaos-engineering-without-breaking-production</link>
      <description><![CDATA[Chaos engineering in production is expensive and unpredictable. Simulation-based failure testing gives SREs and DevOps engineers the same learning without the blast radius.]]></description>
      <pubDate>Fri, 21 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/chaos-engineering-without-breaking-production</guid>
      <category>DevOps</category>
    </item>
    <item>
      <title><![CDATA[Cloud Certification Practice: Stop Memorizing, Start Building]]></title>
      <link>https://praxirun.com/blog/cloud-certification-practice-beyond-multiple-choice</link>
      <description><![CDATA[Multiple-choice exams test your ability to recall facts about cloud services. Building and simulating architectures develops the judgment you need to design production systems. Here is the difference.]]></description>
      <pubDate>Fri, 21 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/cloud-certification-practice-beyond-multiple-choice</guid>
      <category>Certification</category>
    </item>
    <item>
      <title><![CDATA[How to Assess a Cloud Architect in 45 Minutes]]></title>
      <link>https://praxirun.com/blog/how-to-assess-cloud-architect-45-minutes</link>
      <description><![CDATA[A step-by-step guide to running a structured 45-minute cloud architect assessment that produces objective, comparable scores across every candidate you evaluate.]]></description>
      <pubDate>Fri, 21 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/how-to-assess-cloud-architect-45-minutes</guid>
      <category>Hiring</category>
    </item>
    <item>
      <title><![CDATA[How to Test Cloud Architecture Before Deploying]]></title>
      <link>https://praxirun.com/blog/how-to-test-cloud-architecture-before-deploying</link>
      <description><![CDATA[Deploying untested architecture is a gamble. Learn the three approaches to pre-deployment architecture validation — and why simulation is the only one that proves your design works.]]></description>
      <pubDate>Fri, 21 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/how-to-test-cloud-architecture-before-deploying</guid>
      <category>Architecture</category>
    </item>
    <item>
      <title><![CDATA[Simulation-Based Architecture Validation: A Complete Guide]]></title>
      <link>https://praxirun.com/blog/simulation-based-architecture-validation-complete-guide</link>
      <description><![CDATA[A step-by-step guide to validating cloud architecture through simulation — covering the 6 scoring dimensions, the full design-to-deploy pipeline, and how to close the gap between intent and proof.]]></description>
      <pubDate>Fri, 21 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/simulation-based-architecture-validation-complete-guide</guid>
      <category>Architecture</category>
    </item>
    <item>
      <title><![CDATA[Simulation-Based Assessment: See Candidates Solve, Not Just Talk]]></title>
      <link>https://praxirun.com/blog/simulation-based-assessment-see-candidates-solve</link>
      <description><![CDATA[Simulation-based assessment gives hiring teams objective, repeatable data on how architects actually solve problems — not just how well they describe solutions in theory.]]></description>
      <pubDate>Fri, 21 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/simulation-based-assessment-see-candidates-solve</guid>
      <category>Hiring</category>
    </item>
    <item>
      <title><![CDATA[System Design Interview Prep: Why Simulating Beats Drawing]]></title>
      <link>https://praxirun.com/blog/system-design-interview-prep-with-simulation</link>
      <description><![CDATA[Whiteboard diagrams can't verify your architecture works. Simulation lets you build, stress-test, and score your system design before walking into the interview room.]]></description>
      <pubDate>Fri, 21 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/system-design-interview-prep-with-simulation</guid>
      <category>Career</category>
    </item>
    <item>
      <title><![CDATA[From Simulation to Terraform: Deploy What You Validated]]></title>
      <link>https://praxirun.com/blog/terraform-export-simulation-to-infrastructure</link>
      <description><![CDATA[The gap between architecture diagrams and deployed infrastructure is where drift lives. Simulation-to-Terraform closes that gap by exporting exactly what you validated.]]></description>
      <pubDate>Fri, 21 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/terraform-export-simulation-to-infrastructure</guid>
      <category>DevOps</category>
    </item>
    <item>
      <title><![CDATA[What Happens When Your Architecture Gets 10x Traffic?]]></title>
      <link>https://praxirun.com/blog/what-happens-when-architecture-gets-10x-traffic</link>
      <description><![CDATA[Traffic spikes expose the structural flaws that design reviews miss. Here is what actually breaks at 2x, 5x, and 10x load — and how to find out before production does.]]></description>
      <pubDate>Fri, 21 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/what-happens-when-architecture-gets-10x-traffic</guid>
      <category>Architecture</category>
    </item>
    <item>
      <title><![CDATA[Why Whiteboard Interviews Fail for Architecture Roles]]></title>
      <link>https://praxirun.com/blog/why-whiteboard-interviews-fail-for-architects</link>
      <description><![CDATA[Whiteboard interviews test drawing speed and memorization, not architectural judgment. Here's why they consistently fail to identify the best cloud architects — and what to use instead.]]></description>
      <pubDate>Fri, 21 Aug 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/why-whiteboard-interviews-fail-for-architects</guid>
      <category>Hiring</category>
    </item>
    <item>
      <title><![CDATA[How to Simulate Cloud Architecture Before Building It]]></title>
      <link>https://praxirun.com/blog/simulate-cloud-architecture-before-building</link>
      <description><![CDATA[Stop guessing if your architecture will work. Simulate real traffic, inject failures, and prove your design handles production load — before writing a single line of infrastructure code.]]></description>
      <pubDate>Fri, 31 Jul 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/simulate-cloud-architecture-before-building</guid>
      <category>Cloud Architecture</category>
    </item>
    <item>
      <title><![CDATA[AI Agent Architecture Patterns: ReAct, Plan-Execute, and Multi-Agent Debate]]></title>
      <link>https://praxirun.com/blog/ai-agent-architecture-patterns</link>
      <description><![CDATA[A practical guide to the 8 most common agentic AI architecture patterns — with failure modes, cost analysis, and simulation-tested recommendations for each.]]></description>
      <pubDate>Thu, 30 Jul 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/ai-agent-architecture-patterns</guid>
      <category>AI/Agentic</category>
    </item>
    <item>
      <title><![CDATA[What-If Analysis for Cloud Architecture: Cache vs No Cache, Replicas vs Single Instance]]></title>
      <link>https://praxirun.com/blog/what-if-analysis-cloud-architecture</link>
      <description><![CDATA[Stop debating architecture trade-offs in meetings. Simulate both options, compare the metrics side-by-side, and make data-driven decisions in minutes.]]></description>
      <pubDate>Wed, 29 Jul 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/what-if-analysis-cloud-architecture</guid>
      <category>Cloud Architecture</category>
    </item>
    <item>
      <title><![CDATA[Connect Your Production, Simulate Against It: The Auto-Calibration Engine]]></title>
      <link>https://praxirun.com/blog/connect-production-simulate-against-it</link>
      <description><![CDATA[Import real metrics from Datadog, real incidents from Jira, real infrastructure from Terraform — and the simulation automatically matches your production behavior.]]></description>
      <pubDate>Tue, 28 Jul 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/connect-production-simulate-against-it</guid>
      <category>Enterprise</category>
    </item>
    <item>
      <title><![CDATA[Why Architecture Simulations Beat Whiteboard Interviews]]></title>
      <link>https://praxirun.com/blog/why-architecture-simulations-beat-whiteboard-interviews</link>
      <description><![CDATA[Traditional whiteboard interviews test recall, not capability. Simulation-based assessment reveals how architects actually perform under real-world pressure.]]></description>
      <pubDate>Fri, 24 Jul 2026 00:00:00 GMT</pubDate>
      <guid isPermaLink="true">https://praxirun.com/blog/why-architecture-simulations-beat-whiteboard-interviews</guid>
      <category>Architecture</category>
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