@vinod21

Vinod Kumar R

@vinod21

I'm a full-stack .NET developer with a passion for building efficient, scalable web applications.

Joined September 2024

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Vinod Kumar R's blogs

Vinod's blogrog.hashnode.dev10 posts

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Recently published

VKVinod Kumar Rrog.hashnode.devDec 31, 2025 · 12 min read

Part 3 — IEC 61850 Terminology & Nomenclature

From Parts 1 and 2, we now understand: Why IEC 61850 exists Where IEC 61850 systems are defined (SCL) This part focuses on the language itself. IEC 61850 is a formal system.Every name, structure, and identifier follows strict rules. Once you unde...

VKVinod Kumar Rrog.hashnode.devDec 20, 2025 · 5 min read

HTTP, HTTPS, and SSL in IIS: Where Protocol Boundaries Fail in Production

By the time applications reach production, HTTP is usually treated as a solved problem. Requests arrive.Responses are returned.Encryption is assumed to be a configuration detail. When IIS is introduced, that assumption quietly breaks. Many IIS produc...

VKVinod Kumar Rrog.hashnode.devDec 19, 2025 · 5 min read

Application Pools & Identity: Why IIS Failures Are So Hard to Explain

Most IIS production failures share a common pattern. The site is running.The application pool is started.Deployment succeeded. And yet: requests return HTTP 500 logs are missing or incomplete some endpoints work while others fail restarting IIS c...

VKVinod Kumar Rrog.hashnode.devDec 13, 2025 · 4 min read

IIS Installation in Production: Why “IIS Is Installed” Is Not Enough

In production systems, IIS is rarely questioned once it is installed. If the service starts, a site responds, and a basic health check passes, the platform is considered ready. From that point onward, failures are almost always investigated at the ap...

VKVinod Kumar Rrog.hashnode.devDec 12, 2025 · 6 min read

Assumptions at Scale: How a Small Design Oversight Quietly Created 110 GB of Data

Introduction Most production failures are not caused by broken code or system outages.They are caused by assumptions that go unchallenged for too long. This post describes a real production incident in a SCADA → SSIS → SQL Server data pipeline that r...

Vinod Kumar R

About

Available for

Vinod Kumar R's blogs

Recently published

Part 3 — IEC 61850 Terminology & Nomenclature

HTTP, HTTPS, and SSL in IIS: Where Protocol Boundaries Fail in Production

Application Pools & Identity: Why IIS Failures Are So Hard to Explain

IIS Installation in Production: Why “IIS Is Installed” Is Not Enough

Assumptions at Scale: How a Small Design Oversight Quietly Created 110 GB of Data

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Vinod Kumar R

About

Available for

Vinod Kumar R's blogs

Recently published

Part 3 — IEC 61850 Terminology & Nomenclature

HTTP, HTTPS, and SSL in IIS: Where Protocol Boundaries Fail in Production

Application Pools & Identity: Why IIS Failures Are So Hard to Explain

IIS Installation in Production: Why “IIS Is Installed” Is Not Enough

Assumptions at Scale: How a Small Design Oversight Quietly Created 110 GB of Data