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Technical resources

Original optics, documented by reference.

Buying guides, technical notes and manufacturer-reference resources for professional optical links.

Editorial scope

SFP through QSFP-DD · original manufacturer references · selection boundaries · procurement context

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For CIOs & IT decision-makers

Network Security Audit: Methodology and Action Plan for CIOs

Network security audits: types, NIST/ISO frameworks, penetration testing, red teaming, DORA TLPT and service providers.

April 15, 2026

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For CIOs & IT decision-makers

Leasing vs. Purchasing Network Equipment: A Financial Analysis for CIOs

Leasing vs. purchasing network equipment: types, providers, TCO, benefits, decision criteria and a €100k example.

April 15, 2026

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For CIOs & IT decision-makers

Network Requirements Specification: How to Write an Effective RFP

Writing network requirements: RFP structure, specifications, evaluation, pitfalls and UGAP public procurement.

April 15, 2026

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For CIOs & IT decision-makers

Manufacturer Support Contracts: SmartNet, FortiCare and Alternatives

Support contracts: SmartNet/FortiCare/AruCare/JuniperCare, service levels, coverage, negotiation and TPM.

April 15, 2026

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For CIOs & IT decision-makers

Network Equipment Obsolescence: Anticipating and Planning Renewals

Network obsolescence: EoS/EoL, refresh roadmap, new/refurbished equipment, TPM, risks and budgeting.

April 15, 2026

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For CIOs & IT decision-makers

GDPR and Network Infrastructure: Technical Requirements for CIOs

GDPR infrastructure: encryption, logs, transfers outside the EU, CNIL penalties and a technical checklist.

April 15, 2026

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For CIOs & IT decision-makers

Managed Network Services vs In-House Team: Comparison and Decision Guide

Managed services vs in-house team: MSP models, 3-year TCO, SLAs, hybrid approaches, and CIO decision-making.

April 15, 2026

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For CIOs & IT decision-makers

Network Vendor Lock-In: Strategies to Retain Control

Vendor lock-in: types, risks, multi-vendor strategies, open standards, and portable automation.

April 15, 2026

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For CIOs & IT decision-makers

Network DRP and BCP: Ensuring Business Continuity

Network DRP/BCP: RTO/RPO, active-active/standby/cold, DCI, and NIS2/DORA/ISO 22301 testing.

April 15, 2026

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For CIOs & IT decision-makers

Network Budget: Planning and Defending Your Annual Allocation

Network budget: CAPEX/OPEX structure, ratios, prioritization, Executive Committee justification, and Plans A/B/C.

April 15, 2026

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For CIOs & IT decision-makers

NIS2 Compliance for CIOs: Network Requirements and Action Plan

NIS2 compliance for CIOs: requirements, 12-month plan, budget, penalties, and control checklist.

April 15, 2026

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For CIOs & IT decision-makers

ROI of a Network Migration: Justifying the Investment to the Executive Committee

Network migration ROI: methodology, MPLS/SD-WAN savings, business case, and Executive Committee approval.

April 15, 2026