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virtualsachin/README.md
 __ ___ _ _ ___ _ ___ _ _
\ \ / (_)_ _| |_ _ _ ___| | / __| __ _ __| |_ _|_ _| \| |
\ V /| | '_| _| || / _ \ | \__ \/ _` |/ _| ' \ | || .` |
\_/ |_|_| \__|\_,_|___/_| |___/\__,_|\__|_||_|___|_|\_|

Hi, I'm Sachin Kumar Sharma 👋

Associate Director — Enterprise Cloud & AI Advisory 18+ years. WiMAX rooftops in Delhi → Two Tier-3 DCs built from dust → VMware SDDC → Azure Landing Zones → Agentic AI on the edge. Building "Digital Cathedrals" of code, cloud, and cognition.

Twitter/XPortfolioEmail

🧭 The Journey

In 2006 I was selling credit cards door-to-door. Literally. Not metaphorically. I needed to become someone worth choosing, so I moved alone to Jaipur — call center nights, English class mornings, CCNA labs at midnight.

2009 → Iron Age: Climbing Delhi rooftops in 45°C heat aligning WiMAX antennas by hand (-82 dBm / 12 dB SNR). Learning BGP the hard way. 2011 → The DC Era: Built 2 Tier-3 Data Centers from empty warehouses. PAC thermal management, MP-BGP IPv6, Linux P2V migrations. Nobody taught me how. 2014 → Security Layer: Cisco ASA → Palo Alto App-ID. iRules on F5 LTM. Netmiko automation. 2017 → SDDC & SDN: VMware NSX, HCX live migrations, GENEVE vs VXLAN debates at 2am, Arista OVSDB bridges. 2023 → Now: Azure Enterprise Landing Zones + Agentic AI. Stateful circuit breakers. Vector RAG. Edge inference on Cloudflare Workers AI.

Complexity is the Enemy. Always.

📊 Career Metrics (What Actually Matters)

MetricValue
⏱️ Years in infrastructure18+
🏢 Employers across 3 eras6 (HCL → Spectranet → Net4 → Wipro → IBM → NTT Data → Now)
🏗️ Tier-3 DCs built from scratch2
☁️ VMs migrated to cloud1,000s (HCX bulk live, zero downtime)
🤖 AI agents in production3 (Digital Twin, Circuit Breaker, Cost Router)
🌐 BGP ASNs configuredMore than I can count. Fewer incidents than you'd expect.

💻 The Tech Stack

Cloud & InfrastructureAzureTerraformAnsibleVMwareKubernetesCloudflare

Languages & AIPythonTypeScriptGitHub Actions

Security & NetworkingCiscoPalo Alto

🛠️ Featured Open Source Repositories

  • ⚡ agentic-circuit-breaker: Zero-dependency TypeScript stateful circuit breaker pattern engineered for Agentic AI workflows and LLM API routing. No deps. No drama.
  • 💰 llm-cost-router: BGP-inspired Local Preference routing engine for multi-agent LLM cost optimization and cascading model fallback.
  • 🏗️ VMware-SDDC-LAB: Infrastructure-as-code Ansible automation pipeline for deploying a full nested VMware SDDC & NSX-T lab. The playbook I wish existed in 2017.

🌐 Links & Contact

🌐 Digital Twin Portfolio🐦 Twitter / X✉️ Email
virtualsach.in@virtualSachINsachin@virtualsach.in
Architecture and decisions: mine. Debugging sessions at odd hours: mine. AI assistance: structure, syntax, first draft. — Sachin

Pinned Loading

  1. agentic-circuit-breakeragentic-circuit-breakerPublic

    Zero-dependency TypeScript stateful circuit breaker pattern engineered for Agentic AI workflows and LLM routing.

    TypeScript

  2. llm-cost-routerllm-cost-routerPublic

    BGP-inspired Local Preference routing engine for multi-agent LLM cost optimization and cascading model fallback.

    TypeScript

  3. VMware-SDDC-LABVMware-SDDC-LABPublic

    Infrastructure-as-code Ansible automation playbook for deploying a full nested VMware SDDC & NSX-T lab.

    Python

  4. virtualsach/SDDC-NSXT-vLABvirtualsach/SDDC-NSXT-vLABPublic

    Ansible Playbook to deploy a complete nested lab environment for NSXT, its includes Physical ESXi, vCenter, Nested ESXis and NSXT deployments.

    Python

, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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virtualsachin/README.md
 __ ___ _ _ ___ _ ___ _ _
\ \ / (_)_ _| |_ _ _ ___| | / __| __ _ __| |_ _|_ _| \| |
\ V /| | '_| _| || / _ \ | \__ \/ _` |/ _| ' \ | || .` |
\_/ |_|_| \__|\_,_|___/_| |___/\__,_|\__|_||_|___|_|\_|

Hi, I'm Sachin Kumar Sharma 👋
Associate Director — Enterprise Cloud & AI Advisory
18+ years. WiMAX rooftops in Delhi → Two Tier-3 DCs built from dust → VMware SDDC → Azure Landing Zones → Agentic AI on the edge.
Building "Digital Cathedrals" of code, cloud, and cognition.
Twitter/XPortfolioEmail
🧭 The Journey
In 2006 I was selling credit cards door-to-door. Literally. Not metaphorically.
I needed to become someone worth choosing, so I moved alone to Jaipur — call center nights, English class mornings, CCNA labs at midnight.
2009 → Iron Age: Climbing Delhi rooftops in 45°C heat aligning WiMAX antennas by hand (-82 dBm / 12 dB SNR). Learning BGP the hard way.
2011 → The DC Era: Built 2 Tier-3 Data Centers from empty warehouses. PAC thermal management, MP-BGP IPv6, Linux P2V migrations. Nobody taught me how.
2014 → Security Layer: Cisco ASA → Palo Alto App-ID. iRules on F5 LTM. Netmiko automation.
2017 → SDDC & SDN: VMware NSX, HCX live migrations, GENEVE vs VXLAN debates at 2am, Arista OVSDB bridges.
2023 → Now: Azure Enterprise Landing Zones + Agentic AI. Stateful circuit breakers. Vector RAG. Edge inference on Cloudflare Workers AI.
Complexity is the Enemy. Always.
📊 Career Metrics (What Actually Matters)
MetricValue
⏱️ Years in infrastructure18+
🏢 Employers across 3 eras6 (HCL → Spectranet → Net4 → Wipro → IBM → NTT Data → Now)
🏗️ Tier-3 DCs built from scratch2
☁️ VMs migrated to cloud1,000s (HCX bulk live, zero downtime)
🤖 AI agents in production3 (Digital Twin, Circuit Breaker, Cost Router)
🌐 BGP ASNs configuredMore than I can count. Fewer incidents than you'd expect.
💻 The Tech Stack
Cloud & InfrastructureAzureTerraformAnsibleVMwareKubernetesCloudflare
Languages & AIPythonTypeScriptGitHub Actions
Security & NetworkingCiscoPalo Alto
🛠️ Featured Open Source Repositories
  • ⚡ agentic-circuit-breaker: Zero-dependency TypeScript stateful circuit breaker pattern engineered for Agentic AI workflows and LLM API routing. No deps. No drama.
  • 💰 llm-cost-router: BGP-inspired Local Preference routing engine for multi-agent LLM cost optimization and cascading model fallback.
  • 🏗️ VMware-SDDC-LAB: Infrastructure-as-code Ansible automation pipeline for deploying a full nested VMware SDDC & NSX-T lab. The playbook I wish existed in 2017.
🌐 Links & Contact
🌐 Digital Twin Portfolio🐦 Twitter / X✉️ Email
virtualsach.in@virtualSachINsachin@virtualsach.in
Architecture and decisions: mine. Debugging sessions at odd hours: mine. AI assistance: structure, syntax, first draft. — Sachin

Pinned
Loading
  1. agentic-circuit-breakeragentic-circuit-breakerPublic
    
Zero-dependency TypeScript stateful circuit breaker pattern engineered for Agentic AI workflows and LLM routing.

    TypeScript
  2. llm-cost-routerllm-cost-routerPublic
    
BGP-inspired Local Preference routing engine for multi-agent LLM cost optimization and cascading model fallback.

    TypeScript
  3. VMware-SDDC-LABVMware-SDDC-LABPublic
    
Infrastructure-as-code Ansible automation playbook for deploying a full nested VMware SDDC & NSX-T lab.

    Python
  4. virtualsach/SDDC-NSXT-vLABvirtualsach/SDDC-NSXT-vLABPublic
    
Ansible Playbook to deploy a complete nested lab environment for NSXT, its includes Physical ESXi, vCenter, Nested ESXis and NSXT deployments. 
    Python

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
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follower
 · 3
following


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virtualsachin/README.md
 __ ___ _ _ ___ _ ___ _ _
\ \ / (_)_ _| |_ _ _ ___| | / __| __ _ __| |_ _|_ _| \| |
\ V /| | '_| _| || / _ \ | \__ \/ _` |/ _| ' \ | || .` |
\_/ |_|_| \__|\_,_|___/_| |___/\__,_|\__|_||_|___|_|\_|

Hi, I'm Sachin Kumar Sharma 👋
Associate Director — Enterprise Cloud & AI Advisory
18+ years. WiMAX rooftops in Delhi → Two Tier-3 DCs built from dust → VMware SDDC → Azure Landing Zones → Agentic AI on the edge.
Building "Digital Cathedrals" of code, cloud, and cognition.
Twitter/XPortfolioEmail
🧭 The Journey
In 2006 I was selling credit cards door-to-door. Literally. Not metaphorically.
I needed to become someone worth choosing, so I moved alone to Jaipur — call center nights, English class mornings, CCNA labs at midnight.
2009 → Iron Age: Climbing Delhi rooftops in 45°C heat aligning WiMAX antennas by hand (-82 dBm / 12 dB SNR). Learning BGP the hard way.
2011 → The DC Era: Built 2 Tier-3 Data Centers from empty warehouses. PAC thermal management, MP-BGP IPv6, Linux P2V migrations. Nobody taught me how.
2014 → Security Layer: Cisco ASA → Palo Alto App-ID. iRules on F5 LTM. Netmiko automation.
2017 → SDDC & SDN: VMware NSX, HCX live migrations, GENEVE vs VXLAN debates at 2am, Arista OVSDB bridges.
2023 → Now: Azure Enterprise Landing Zones + Agentic AI. Stateful circuit breakers. Vector RAG. Edge inference on Cloudflare Workers AI.
Complexity is the Enemy. Always.
📊 Career Metrics (What Actually Matters)
MetricValue
⏱️ Years in infrastructure18+
🏢 Employers across 3 eras6 (HCL → Spectranet → Net4 → Wipro → IBM → NTT Data → Now)
🏗️ Tier-3 DCs built from scratch2
☁️ VMs migrated to cloud1,000s (HCX bulk live, zero downtime)
🤖 AI agents in production3 (Digital Twin, Circuit Breaker, Cost Router)
🌐 BGP ASNs configuredMore than I can count. Fewer incidents than you'd expect.
💻 The Tech Stack
Cloud & InfrastructureAzureTerraformAnsibleVMwareKubernetesCloudflare
Languages & AIPythonTypeScriptGitHub Actions
Security & NetworkingCiscoPalo Alto
🛠️ Featured Open Source Repositories
  • ⚡ agentic-circuit-breaker: Zero-dependency TypeScript stateful circuit breaker pattern engineered for Agentic AI workflows and LLM API routing. No deps. No drama.
  • 💰 llm-cost-router: BGP-inspired Local Preference routing engine for multi-agent LLM cost optimization and cascading model fallback.
  • 🏗️ VMware-SDDC-LAB: Infrastructure-as-code Ansible automation pipeline for deploying a full nested VMware SDDC & NSX-T lab. The playbook I wish existed in 2017.
🌐 Links & Contact
🌐 Digital Twin Portfolio🐦 Twitter / X✉️ Email
virtualsach.in@virtualSachINsachin@virtualsach.in
Architecture and decisions: mine. Debugging sessions at odd hours: mine. AI assistance: structure, syntax, first draft. — Sachin

Pinned
Loading
  1. agentic-circuit-breakeragentic-circuit-breakerPublic
    
Zero-dependency TypeScript stateful circuit breaker pattern engineered for Agentic AI workflows and LLM routing.

    TypeScript
  2. llm-cost-routerllm-cost-routerPublic
    
BGP-inspired Local Preference routing engine for multi-agent LLM cost optimization and cascading model fallback.

    TypeScript
  3. VMware-SDDC-LABVMware-SDDC-LABPublic
    
Infrastructure-as-code Ansible automation playbook for deploying a full nested VMware SDDC & NSX-T lab.

    Python
  4. virtualsach/SDDC-NSXT-vLABvirtualsach/SDDC-NSXT-vLABPublic
    
Ansible Playbook to deploy a complete nested lab environment for NSXT, its includes Physical ESXi, vCenter, Nested ESXis and NSXT deployments. 
    Python

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
View virtualsachin's full-sized avatar
1
follower
 · 3
following


Block or report virtualsachin

Block user

Prevent this user from interacting with your repositories and sending you notifications.
Learn more about blocking users.


You must be logged in to block users.


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Maximum 250 characters. Please don’t include any personal information such as legal names or email addresses. Markdown is supported. This note will only be visible to you.

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Learn more about reporting abuse.

Report abuse
virtualsachin/README.md
 __ ___ _ _ ___ _ ___ _ _
\ \ / (_)_ _| |_ _ _ ___| | / __| __ _ __| |_ _|_ _| \| |
\ V /| | '_| _| || / _ \ | \__ \/ _` |/ _| ' \ | || .` |
\_/ |_|_| \__|\_,_|___/_| |___/\__,_|\__|_||_|___|_|\_|

Hi, I'm Sachin Kumar Sharma 👋
Associate Director — Enterprise Cloud & AI Advisory
18+ years. WiMAX rooftops in Delhi → Two Tier-3 DCs built from dust → VMware SDDC → Azure Landing Zones → Agentic AI on the edge.
Building "Digital Cathedrals" of code, cloud, and cognition.
Twitter/XPortfolioEmail
🧭 The Journey
In 2006 I was selling credit cards door-to-door. Literally. Not metaphorically.
I needed to become someone worth choosing, so I moved alone to Jaipur — call center nights, English class mornings, CCNA labs at midnight.
2009 → Iron Age: Climbing Delhi rooftops in 45°C heat aligning WiMAX antennas by hand (-82 dBm / 12 dB SNR). Learning BGP the hard way.
2011 → The DC Era: Built 2 Tier-3 Data Centers from empty warehouses. PAC thermal management, MP-BGP IPv6, Linux P2V migrations. Nobody taught me how.
2014 → Security Layer: Cisco ASA → Palo Alto App-ID. iRules on F5 LTM. Netmiko automation.
2017 → SDDC & SDN: VMware NSX, HCX live migrations, GENEVE vs VXLAN debates at 2am, Arista OVSDB bridges.
2023 → Now: Azure Enterprise Landing Zones + Agentic AI. Stateful circuit breakers. Vector RAG. Edge inference on Cloudflare Workers AI.
Complexity is the Enemy. Always.
📊 Career Metrics (What Actually Matters)
MetricValue
⏱️ Years in infrastructure18+
🏢 Employers across 3 eras6 (HCL → Spectranet → Net4 → Wipro → IBM → NTT Data → Now)
🏗️ Tier-3 DCs built from scratch2
☁️ VMs migrated to cloud1,000s (HCX bulk live, zero downtime)
🤖 AI agents in production3 (Digital Twin, Circuit Breaker, Cost Router)
🌐 BGP ASNs configuredMore than I can count. Fewer incidents than you'd expect.
💻 The Tech Stack
Cloud & InfrastructureAzureTerraformAnsibleVMwareKubernetesCloudflare
Languages & AIPythonTypeScriptGitHub Actions
Security & NetworkingCiscoPalo Alto
🛠️ Featured Open Source Repositories
  • ⚡ agentic-circuit-breaker: Zero-dependency TypeScript stateful circuit breaker pattern engineered for Agentic AI workflows and LLM API routing. No deps. No drama.
  • 💰 llm-cost-router: BGP-inspired Local Preference routing engine for multi-agent LLM cost optimization and cascading model fallback.
  • 🏗️ VMware-SDDC-LAB: Infrastructure-as-code Ansible automation pipeline for deploying a full nested VMware SDDC & NSX-T lab. The playbook I wish existed in 2017.
🌐 Links & Contact
🌐 Digital Twin Portfolio🐦 Twitter / X✉️ Email
virtualsach.in@virtualSachINsachin@virtualsach.in
Architecture and decisions: mine. Debugging sessions at odd hours: mine. AI assistance: structure, syntax, first draft. — Sachin

Pinned
Loading
  1. agentic-circuit-breakeragentic-circuit-breakerPublic
    
Zero-dependency TypeScript stateful circuit breaker pattern engineered for Agentic AI workflows and LLM routing.

    TypeScript
  2. llm-cost-routerllm-cost-routerPublic
    
BGP-inspired Local Preference routing engine for multi-agent LLM cost optimization and cascading model fallback.

    TypeScript
  3. VMware-SDDC-LABVMware-SDDC-LABPublic
    
Infrastructure-as-code Ansible automation playbook for deploying a full nested VMware SDDC & NSX-T lab.

    Python
  4. virtualsach/SDDC-NSXT-vLABvirtualsach/SDDC-NSXT-vLABPublic
    
Ansible Playbook to deploy a complete nested lab environment for NSXT, its includes Physical ESXi, vCenter, Nested ESXis and NSXT deployments. 
    Python

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
View virtualsachin's full-sized avatar
1
follower
 · 3
following


Block or report virtualsachin

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Prevent this user from interacting with your repositories and sending you notifications.
Learn more about blocking users.


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virtualsachin/README.md
 __ ___ _ _ ___ _ ___ _ _
\ \ / (_)_ _| |_ _ _ ___| | / __| __ _ __| |_ _|_ _| \| |
\ V /| | '_| _| || / _ \ | \__ \/ _` |/ _| ' \ | || .` |
\_/ |_|_| \__|\_,_|___/_| |___/\__,_|\__|_||_|___|_|\_|

Hi, I'm Sachin Kumar Sharma 👋
Associate Director — Enterprise Cloud & AI Advisory
18+ years. WiMAX rooftops in Delhi → Two Tier-3 DCs built from dust → VMware SDDC → Azure Landing Zones → Agentic AI on the edge.
Building "Digital Cathedrals" of code, cloud, and cognition.
Twitter/XPortfolioEmail
🧭 The Journey
In 2006 I was selling credit cards door-to-door. Literally. Not metaphorically.
I needed to become someone worth choosing, so I moved alone to Jaipur — call center nights, English class mornings, CCNA labs at midnight.
2009 → Iron Age: Climbing Delhi rooftops in 45°C heat aligning WiMAX antennas by hand (-82 dBm / 12 dB SNR). Learning BGP the hard way.
2011 → The DC Era: Built 2 Tier-3 Data Centers from empty warehouses. PAC thermal management, MP-BGP IPv6, Linux P2V migrations. Nobody taught me how.
2014 → Security Layer: Cisco ASA → Palo Alto App-ID. iRules on F5 LTM. Netmiko automation.
2017 → SDDC & SDN: VMware NSX, HCX live migrations, GENEVE vs VXLAN debates at 2am, Arista OVSDB bridges.
2023 → Now: Azure Enterprise Landing Zones + Agentic AI. Stateful circuit breakers. Vector RAG. Edge inference on Cloudflare Workers AI.
Complexity is the Enemy. Always.
📊 Career Metrics (What Actually Matters)
MetricValue
⏱️ Years in infrastructure18+
🏢 Employers across 3 eras6 (HCL → Spectranet → Net4 → Wipro → IBM → NTT Data → Now)
🏗️ Tier-3 DCs built from scratch2
☁️ VMs migrated to cloud1,000s (HCX bulk live, zero downtime)
🤖 AI agents in production3 (Digital Twin, Circuit Breaker, Cost Router)
🌐 BGP ASNs configuredMore than I can count. Fewer incidents than you'd expect.
💻 The Tech Stack
Cloud & InfrastructureAzureTerraformAnsibleVMwareKubernetesCloudflare
Languages & AIPythonTypeScriptGitHub Actions
Security & NetworkingCiscoPalo Alto
🛠️ Featured Open Source Repositories
  • ⚡ agentic-circuit-breaker: Zero-dependency TypeScript stateful circuit breaker pattern engineered for Agentic AI workflows and LLM API routing. No deps. No drama.
  • 💰 llm-cost-router: BGP-inspired Local Preference routing engine for multi-agent LLM cost optimization and cascading model fallback.
  • 🏗️ VMware-SDDC-LAB: Infrastructure-as-code Ansible automation pipeline for deploying a full nested VMware SDDC & NSX-T lab. The playbook I wish existed in 2017.
🌐 Links & Contact
🌐 Digital Twin Portfolio🐦 Twitter / X✉️ Email
virtualsach.in@virtualSachINsachin@virtualsach.in
Architecture and decisions: mine. Debugging sessions at odd hours: mine. AI assistance: structure, syntax, first draft. — Sachin

Pinned
Loading
  1. agentic-circuit-breakeragentic-circuit-breakerPublic
    
Zero-dependency TypeScript stateful circuit breaker pattern engineered for Agentic AI workflows and LLM routing.

    TypeScript
  2. llm-cost-routerllm-cost-routerPublic
    
BGP-inspired Local Preference routing engine for multi-agent LLM cost optimization and cascading model fallback.

    TypeScript
  3. VMware-SDDC-LABVMware-SDDC-LABPublic
    
Infrastructure-as-code Ansible automation playbook for deploying a full nested VMware SDDC & NSX-T lab.

    Python
  4. virtualsach/SDDC-NSXT-vLABvirtualsach/SDDC-NSXT-vLABPublic
    
Ansible Playbook to deploy a complete nested lab environment for NSXT, its includes Physical ESXi, vCenter, Nested ESXis and NSXT deployments. 
    Python

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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virtualsachin/README.md
 __ ___ _ _ ___ _ ___ _ _
\ \ / (_)_ _| |_ _ _ ___| | / __| __ _ __| |_ _|_ _| \| |
\ V /| | '_| _| || / _ \ | \__ \/ _` |/ _| ' \ | || .` |
\_/ |_|_| \__|\_,_|___/_| |___/\__,_|\__|_||_|___|_|\_|

Hi, I'm Sachin Kumar Sharma 👋
Associate Director — Enterprise Cloud & AI Advisory
18+ years. WiMAX rooftops in Delhi → Two Tier-3 DCs built from dust → VMware SDDC → Azure Landing Zones → Agentic AI on the edge.
Building "Digital Cathedrals" of code, cloud, and cognition.
Twitter/XPortfolioEmail
🧭 The Journey
In 2006 I was selling credit cards door-to-door. Literally. Not metaphorically.
I needed to become someone worth choosing, so I moved alone to Jaipur — call center nights, English class mornings, CCNA labs at midnight.
2009 → Iron Age: Climbing Delhi rooftops in 45°C heat aligning WiMAX antennas by hand (-82 dBm / 12 dB SNR). Learning BGP the hard way.
2011 → The DC Era: Built 2 Tier-3 Data Centers from empty warehouses. PAC thermal management, MP-BGP IPv6, Linux P2V migrations. Nobody taught me how.
2014 → Security Layer: Cisco ASA → Palo Alto App-ID. iRules on F5 LTM. Netmiko automation.
2017 → SDDC & SDN: VMware NSX, HCX live migrations, GENEVE vs VXLAN debates at 2am, Arista OVSDB bridges.
2023 → Now: Azure Enterprise Landing Zones + Agentic AI. Stateful circuit breakers. Vector RAG. Edge inference on Cloudflare Workers AI.
Complexity is the Enemy. Always.
📊 Career Metrics (What Actually Matters)
MetricValue
⏱️ Years in infrastructure18+
🏢 Employers across 3 eras6 (HCL → Spectranet → Net4 → Wipro → IBM → NTT Data → Now)
🏗️ Tier-3 DCs built from scratch2
☁️ VMs migrated to cloud1,000s (HCX bulk live, zero downtime)
🤖 AI agents in production3 (Digital Twin, Circuit Breaker, Cost Router)
🌐 BGP ASNs configuredMore than I can count. Fewer incidents than you'd expect.
💻 The Tech Stack
Cloud & InfrastructureAzureTerraformAnsibleVMwareKubernetesCloudflare
Languages & AIPythonTypeScriptGitHub Actions
Security & NetworkingCiscoPalo Alto
🛠️ Featured Open Source Repositories
  • ⚡ agentic-circuit-breaker: Zero-dependency TypeScript stateful circuit breaker pattern engineered for Agentic AI workflows and LLM API routing. No deps. No drama.
  • 💰 llm-cost-router: BGP-inspired Local Preference routing engine for multi-agent LLM cost optimization and cascading model fallback.
  • 🏗️ VMware-SDDC-LAB: Infrastructure-as-code Ansible automation pipeline for deploying a full nested VMware SDDC & NSX-T lab. The playbook I wish existed in 2017.
🌐 Links & Contact
🌐 Digital Twin Portfolio🐦 Twitter / X✉️ Email
virtualsach.in@virtualSachINsachin@virtualsach.in
Architecture and decisions: mine. Debugging sessions at odd hours: mine. AI assistance: structure, syntax, first draft. — Sachin

Pinned
Loading
  1. agentic-circuit-breakeragentic-circuit-breakerPublic
    
Zero-dependency TypeScript stateful circuit breaker pattern engineered for Agentic AI workflows and LLM routing.

    TypeScript
  2. llm-cost-routerllm-cost-routerPublic
    
BGP-inspired Local Preference routing engine for multi-agent LLM cost optimization and cascading model fallback.

    TypeScript
  3. VMware-SDDC-LABVMware-SDDC-LABPublic
    
Infrastructure-as-code Ansible automation playbook for deploying a full nested VMware SDDC & NSX-T lab.

    Python
  4. virtualsach/SDDC-NSXT-vLABvirtualsach/SDDC-NSXT-vLABPublic
    
Ansible Playbook to deploy a complete nested lab environment for NSXT, its includes Physical ESXi, vCenter, Nested ESXis and NSXT deployments. 
    Python

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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View virtualsachin's full-sized avatar
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 · 3
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virtualsachin/README.md
 __ ___ _ _ ___ _ ___ _ _
\ \ / (_)_ _| |_ _ _ ___| | / __| __ _ __| |_ _|_ _| \| |
\ V /| | '_| _| || / _ \ | \__ \/ _` |/ _| ' \ | || .` |
\_/ |_|_| \__|\_,_|___/_| |___/\__,_|\__|_||_|___|_|\_|

Hi, I'm Sachin Kumar Sharma 👋
Associate Director — Enterprise Cloud & AI Advisory
18+ years. WiMAX rooftops in Delhi → Two Tier-3 DCs built from dust → VMware SDDC → Azure Landing Zones → Agentic AI on the edge.
Building "Digital Cathedrals" of code, cloud, and cognition.
Twitter/XPortfolioEmail
🧭 The Journey
In 2006 I was selling credit cards door-to-door. Literally. Not metaphorically.
I needed to become someone worth choosing, so I moved alone to Jaipur — call center nights, English class mornings, CCNA labs at midnight.
2009 → Iron Age: Climbing Delhi rooftops in 45°C heat aligning WiMAX antennas by hand (-82 dBm / 12 dB SNR). Learning BGP the hard way.
2011 → The DC Era: Built 2 Tier-3 Data Centers from empty warehouses. PAC thermal management, MP-BGP IPv6, Linux P2V migrations. Nobody taught me how.
2014 → Security Layer: Cisco ASA → Palo Alto App-ID. iRules on F5 LTM. Netmiko automation.
2017 → SDDC & SDN: VMware NSX, HCX live migrations, GENEVE vs VXLAN debates at 2am, Arista OVSDB bridges.
2023 → Now: Azure Enterprise Landing Zones + Agentic AI. Stateful circuit breakers. Vector RAG. Edge inference on Cloudflare Workers AI.
Complexity is the Enemy. Always.
📊 Career Metrics (What Actually Matters)
MetricValue
⏱️ Years in infrastructure18+
🏢 Employers across 3 eras6 (HCL → Spectranet → Net4 → Wipro → IBM → NTT Data → Now)
🏗️ Tier-3 DCs built from scratch2
☁️ VMs migrated to cloud1,000s (HCX bulk live, zero downtime)
🤖 AI agents in production3 (Digital Twin, Circuit Breaker, Cost Router)
🌐 BGP ASNs configuredMore than I can count. Fewer incidents than you'd expect.
💻 The Tech Stack
Cloud & InfrastructureAzureTerraformAnsibleVMwareKubernetesCloudflare
Languages & AIPythonTypeScriptGitHub Actions
Security & NetworkingCiscoPalo Alto
🛠️ Featured Open Source Repositories
  • ⚡ agentic-circuit-breaker: Zero-dependency TypeScript stateful circuit breaker pattern engineered for Agentic AI workflows and LLM API routing. No deps. No drama.
  • 💰 llm-cost-router: BGP-inspired Local Preference routing engine for multi-agent LLM cost optimization and cascading model fallback.
  • 🏗️ VMware-SDDC-LAB: Infrastructure-as-code Ansible automation pipeline for deploying a full nested VMware SDDC & NSX-T lab. The playbook I wish existed in 2017.
🌐 Links & Contact
🌐 Digital Twin Portfolio🐦 Twitter / X✉️ Email
virtualsach.in@virtualSachINsachin@virtualsach.in
Architecture and decisions: mine. Debugging sessions at odd hours: mine. AI assistance: structure, syntax, first draft. — Sachin

Pinned
Loading
  1. agentic-circuit-breakeragentic-circuit-breakerPublic
    
Zero-dependency TypeScript stateful circuit breaker pattern engineered for Agentic AI workflows and LLM routing.

    TypeScript
  2. llm-cost-routerllm-cost-routerPublic
    
BGP-inspired Local Preference routing engine for multi-agent LLM cost optimization and cascading model fallback.

    TypeScript
  3. VMware-SDDC-LABVMware-SDDC-LABPublic
    
Infrastructure-as-code Ansible automation playbook for deploying a full nested VMware SDDC & NSX-T lab.

    Python
  4. virtualsach/SDDC-NSXT-vLABvirtualsach/SDDC-NSXT-vLABPublic
    
Ansible Playbook to deploy a complete nested lab environment for NSXT, its includes Physical ESXi, vCenter, Nested ESXis and NSXT deployments. 
    Python

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
View virtualsachin's full-sized avatar
1
follower
 · 3
following


Block or report virtualsachin

Block user

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Learn more about blocking users.


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virtualsachin/README.md
 __ ___ _ _ ___ _ ___ _ _
\ \ / (_)_ _| |_ _ _ ___| | / __| __ _ __| |_ _|_ _| \| |
\ V /| | '_| _| || / _ \ | \__ \/ _` |/ _| ' \ | || .` |
\_/ |_|_| \__|\_,_|___/_| |___/\__,_|\__|_||_|___|_|\_|

Hi, I'm Sachin Kumar Sharma 👋
Associate Director — Enterprise Cloud & AI Advisory
18+ years. WiMAX rooftops in Delhi → Two Tier-3 DCs built from dust → VMware SDDC → Azure Landing Zones → Agentic AI on the edge.
Building "Digital Cathedrals" of code, cloud, and cognition.
Twitter/XPortfolioEmail
🧭 The Journey
In 2006 I was selling credit cards door-to-door. Literally. Not metaphorically.
I needed to become someone worth choosing, so I moved alone to Jaipur — call center nights, English class mornings, CCNA labs at midnight.
2009 → Iron Age: Climbing Delhi rooftops in 45°C heat aligning WiMAX antennas by hand (-82 dBm / 12 dB SNR). Learning BGP the hard way.
2011 → The DC Era: Built 2 Tier-3 Data Centers from empty warehouses. PAC thermal management, MP-BGP IPv6, Linux P2V migrations. Nobody taught me how.
2014 → Security Layer: Cisco ASA → Palo Alto App-ID. iRules on F5 LTM. Netmiko automation.
2017 → SDDC & SDN: VMware NSX, HCX live migrations, GENEVE vs VXLAN debates at 2am, Arista OVSDB bridges.
2023 → Now: Azure Enterprise Landing Zones + Agentic AI. Stateful circuit breakers. Vector RAG. Edge inference on Cloudflare Workers AI.
Complexity is the Enemy. Always.
📊 Career Metrics (What Actually Matters)
MetricValue
⏱️ Years in infrastructure18+
🏢 Employers across 3 eras6 (HCL → Spectranet → Net4 → Wipro → IBM → NTT Data → Now)
🏗️ Tier-3 DCs built from scratch2
☁️ VMs migrated to cloud1,000s (HCX bulk live, zero downtime)
🤖 AI agents in production3 (Digital Twin, Circuit Breaker, Cost Router)
🌐 BGP ASNs configuredMore than I can count. Fewer incidents than you'd expect.
💻 The Tech Stack
Cloud & InfrastructureAzureTerraformAnsibleVMwareKubernetesCloudflare
Languages & AIPythonTypeScriptGitHub Actions
Security & NetworkingCiscoPalo Alto
🛠️ Featured Open Source Repositories
  • ⚡ agentic-circuit-breaker: Zero-dependency TypeScript stateful circuit breaker pattern engineered for Agentic AI workflows and LLM API routing. No deps. No drama.
  • 💰 llm-cost-router: BGP-inspired Local Preference routing engine for multi-agent LLM cost optimization and cascading model fallback.
  • 🏗️ VMware-SDDC-LAB: Infrastructure-as-code Ansible automation pipeline for deploying a full nested VMware SDDC & NSX-T lab. The playbook I wish existed in 2017.
🌐 Links & Contact
🌐 Digital Twin Portfolio🐦 Twitter / X✉️ Email
virtualsach.in@virtualSachINsachin@virtualsach.in
Architecture and decisions: mine. Debugging sessions at odd hours: mine. AI assistance: structure, syntax, first draft. — Sachin

Pinned
Loading
  1. agentic-circuit-breakeragentic-circuit-breakerPublic
    
Zero-dependency TypeScript stateful circuit breaker pattern engineered for Agentic AI workflows and LLM routing.

    TypeScript
  2. llm-cost-routerllm-cost-routerPublic
    
BGP-inspired Local Preference routing engine for multi-agent LLM cost optimization and cascading model fallback.

    TypeScript
  3. VMware-SDDC-LABVMware-SDDC-LABPublic
    
Infrastructure-as-code Ansible automation playbook for deploying a full nested VMware SDDC & NSX-T lab.

    Python
  4. virtualsach/SDDC-NSXT-vLABvirtualsach/SDDC-NSXT-vLABPublic
    
Ansible Playbook to deploy a complete nested lab environment for NSXT, its includes Physical ESXi, vCenter, Nested ESXis and NSXT deployments. 
    Python