14 min read
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5.0
An authoritative engineering manual on designing mission-critical enterprise IP video surveillance networks, detailing layer-2/layer-3 core-distribution-access models, 802.1Q VLAN trunking, IEEE 802.1X port-based Network Access Control, and micro-segmentation firewall policies.
By Alex Vance
Aug 27, 2026
14 min read
•
5.0
An exhaustive technical security hardening standard for IP cameras and Network Video Recorders based on the NIST SP 800-115 and CIS Benchmarks. Details embedded Linux attack surface minimization, Telnet/SSH daemon elimination, cryptographic TLS 1.3 enablement, and secure boot validation.
By Alex Vance
Aug 26, 2026
14 min read
•
5.0
An electrical engineering manual on Power over Ethernet (PoE, PoE+, PoE++ Type 3 & 4), detailing Ohm's Law loop resistance equations, DC voltage drop across 100m Cat6 runs, thermal dissipation in cable bundles, and enterprise switch power budget management.
By Alex Vance
Aug 26, 2026
14 min read
•
5.0
A comprehensive engineering study on video surveillance storage architecture, detailing RAID 5/6/10 write penalties, Mean Time Between Failures (MTBF) Markov reliability models, Drive Writes Per Day (DWPD) endurance mathematics, and SAN/NAS throughput sizing.
By Alex Vance
Aug 26, 2026
16 min read
•
5.0
An authoritative engineering manual on CCTV optical physics and geometric optics, formulating thin-lens equations, sensor crop factors, Ground Sampling Distance (GSD), and the international EN 62676-4 DORI standard.
By Alex Vance
Aug 26, 2026
16 min read
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5.0
An exhaustive technical deployment manual for Perimeter Intrusion Detection Systems (PIDS), formulating Phase-Sensitive Optical Time-Domain Reflectometry (Phi-OTDR), bistatic microwave volumetric Fresnel zones, and 3D LiDAR point-cloud clustering.
By Alex Vance
Aug 26, 2026
14 min read
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5.0
A rigorous optical engineering guide to campus-wide CCTV fiber optic infrastructures, detailing Single-Mode (OS2) vs Multi-Mode (OM4) dispersion, optical power budget calculations, OTDR attenuation testing, and CWDM multiplexing.
By Alex Vance
Aug 26, 2026
16 min read
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5.0
An authoritative software and systems engineering guide to Physical Security Information Management (PSIM), detailing middleware architectures, OPC-UA industrial automation gateways, BACnet/IP building systems, and unified common operating picture (COP) orchestration.
By Alex Vance
Aug 26, 2026
15 min read
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5.0
An enterprise systems resilience guide on high availability and disaster recovery for video surveillance, detailing N+1 and N+M NVR failover architectures, distributed metadata synchronization, Edge Storage Trickle-Polling (ONVIF Profile G), and RPO/RTO minimization.
By Alex Vance
Aug 26, 2026
16 min read
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5.0
A rigorous optical and photometric engineering guide to surveillance site surveys and lighting design, formulating Inverse-Square Law illuminance equations, 850nm vs 940nm infrared spectrometry, Wide Dynamic Range (WDR) sensor exposures, and SNR modeling.
By Alex Vance
Aug 25, 2026
2 min read
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4.9
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By Alex Vance
May 17, 2026
4 min read
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5.0
In this article, I talk about the difference between CCD and CMOS sensors for CCTV and what are the advantages and disadvantages of these technologies.
By Alex Vance
May 01, 2026
11 min read
•
4.9
Eseecloud Stand alone camera, EseeCloud(IP Pro, VR Cam) is a simple, stylish, user-friendly, and powerful mobile video surveillance software. We are committed to continuously improving our video processing technology and...
By Alex Vance
Apr 21, 2026
