Author: admin

Enterprise Hardware & Storage

Sep 15, 2026 • 2 min read

Mission-Critical Server Room Infrastructure: Sizing Redundant UPS & Precision Thermal Envelope

Calculating cooling tons, airflow containment strategies (Hot-Aisle vs Cold-Aisle), and N+1 modular UPS topologies for continuous data center operations.

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Access Control & Biometrics

Sep 15, 2026 • 2 min read

Zero-Trust Physical Security: Migrating Wiegand to OSDP and Biometric Cryptographic Keys

Why legacy 26-bit Wiegand protocol exposes commercial facilities to simple eavesdropping replay attacks, and how OSDP v2.2 with AES-128 secure...

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Optical Networking

Sep 15, 2026 • 2 min read

Single-Mode vs. Multi-Mode Fiber: Optimizing Enterprise Campus Backbones for 100G Throughput

Understanding modal dispersion, transceivers (SR4 vs LR4), and optical link loss budgets when engineering multi-building campus networks across Nepal's commercial...

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IP Surveillance & CCTV

Sep 15, 2026 • 2 min read

Architecting Resilient Enterprise IP Surveillance: From 4K Stream Encoding to Multi-Tier SAN Ingestion

A comprehensive engineering blueprint on designing multi-gigabit IP surveillance topologies, calculating SAN retention pools for 90-day retention, and deploying redundant...

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