Deprogit Blog

October 31, 2026 • 5 min read

Network Quality Metrics: Latency, Jitter, and Packet Loss Explained

A rigorous engineering guide to core network quality metrics: propagation delay, RFC 3393 jitter formulas, packet loss ratios, and VoIP impact.

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October 31, 2026 • 5 min read

How Internet Speed Tests Work and Why Benchmark Results Vary

A technical breakdown of internet speed test mechanics: single vs multi-stream TCP tests, bufferbloat effects, server distance, and RFC 6349.

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October 31, 2026 • 5 min read

Core Command-Line Network Tools: iPerf3, MTR, tcpdump, and cURL

A hands-on guide to essential network engineering CLI tools: iPerf3 bandwidth benchmarking, MTR path profiling, tcpdump packet analysis, and cURL metrics.

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Internet Service Provider • October 31, 2026 • 6 min read

Understanding Contention Ratios and 'Up To' Speeds in Broadband Networks

A guide to broadband economics and network capacity: statistical multiplexing, contention ratios, Committed Information Rates, and SLAs.

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Internet Service Provider • October 31, 2026 • 7 min read

IPv4 Exhaustion and IPv6 for ISPs: Transition Architectures and CGNAT

A guide for ISPs navigating global IPv4 depletion: Carrier-Grade NAT (RFC 6598), dual-stack rollout, and 464XLAT transition mechanisms.

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Internet Service Provider • October 31, 2026 • 7 min read

How an ISP Reaches the Global Internet: Upstreams, IXPs, and Peering

A technical breakdown of how Internet Service Providers route global traffic through transit upstreams, BGP-4, and Internet Exchange Points.

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Internet Service Provider • October 31, 2026 • 7 min read

How Captive-Portal Hotspot Systems Work: Interception, DNS, and RADIUS

A guide to public hotspot architecture: HTTP interception, RFC 8908/8910 captive-portal API identification, and RADIUS authentication.

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Internet Service Provider • October 31, 2026 • 7 min read

Fair-Use and Bandwidth Management Policies: Traffic Shaping and Queuing

A guide to ISP bandwidth management: Fair Usage Policies (FUP), Token Bucket algorithms, DiffServ marking, and FQ-CoDel queuing.

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Cybersecurity News & Trends • October 31, 2026 • 6 min read

Phishing-Resistant MFA: The Industry Transition to FIDO2 and Passkeys

A technical engineering analysis of phishing-resistant authentication: evaluating FIDO2/WebAuthn standards, cryptographically bound origins, and SIM swapping.

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