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Expert Picks

Discover expert-recommended networking hardware insights, comparisons, and buying guides. Get trusted advice from industry professionals.

Palo Alto Networks SD-WAN device with a cloud icon above it, representing Network Devices’ 2025 practical guide for SMBs on SD-WAN solutions.

SD-WAN for SMBs: A Practical Guide for 2025

Ehsan Ghasisin

Ehsan Ghasisin 6 minute read

Software/License/Protocol | Expert Picks | Firewall

Absolutely. For any SMB with multiple locations, a remote workforce, or heavy cloud app usage, SD-WAN is a strategic investment. It directly cuts high MPLS costs, speeds up cloud performance, and strengthens...

Banner image for article titled Firewall ACL Best Practices: 8 Common Mistakes and How to Fix Them, featuring Palo Alto PA-850 firewalls.

Firewall ACL Best Practices: 8 Common Mistakes & How to Fix Them

Ehsan Ghasisin

Ehsan Ghasisin 9 minute read

How To | Expert Picks | Firewall

Minor Access Control List (ACL) errors create major security gaps. Misconfigurations like improper rule order or overly broad permissions are common access control list errors that can expose critical...

Banner image for Network Devices article: Fortinet FortiGate G-Series Technical Review and Model Comparison (2025), showing FortiGate firewall hardware models.

Fortinet FortiGate G-Series: Technical Review & Model Comparison (2025)

Ehsan Ghasisin

Ehsan Ghasisin 6 minute read

Comparison | Expert Picks | Firewall

The Fortinet FortiGate G-Series is the next evolution of the company's firewall hardware, replacing the successful F-Series. Its primary differentiator is a purpose-built FortiASIC architecture...

Best Enterprise Switches 2025: A Technical Guide for Architects & Buyers

Best Enterprise Switches 2025: A Technical Guide for Architects & Buyers

Govind Jha

Govind Jha 6 minute read

Comparison | Buying Guide | Expert Picks | Switch

Most guides to the "best enterprise switches" offer a predictable, high-level list of vendors. You already know the names. But for network architects and IT decision-makers, the brand is just...

Banner image for a guide on how to fix a network bottleneck, featuring the article title and a blue digital sphere representing a network.

How to Find and Fix Any Network Bottleneck

Ehsan Ghasisin

Ehsan Ghasisin 7 minute read

How To | Expert Picks

High network latency, frustrating application timeouts, and constant user complaints are symptoms of a critical problem: a network bottleneck. These network performance issues demand a professional...

Cisco IE4000 Rugged Industrial Ethernet Switch – Hardened Networking Hardware for Harsh Environments

Industrial Ethernet Switches: A Guide to Hardened Hardware

Ehsan Ghasisin

Ehsan Ghasisin 6 minute read

Expert Picks | Cisco | Switch

In the world of real-time data, automation, and Industry 4.0, uninterrupted network uptime is essential for efficiency and safety. In harsh environments like offshore oil rigs, remote wind farms, or...

Robot hand placing AI chip on network switch with text 'At the Core of AI – Hardware That Delivers' and Network Devices logo. (AI Hardware)

AI Hardware: The Backbone of Intelligent Infrastructure

Govind Jha

Govind Jha 6 minute read

Expert Picks

Artificial Intelligence (AI) is no longer an experimental concept; it is a critical driver across various industries. While AI models, algorithms, and platforms make headlines, the true enabler of this...

Illustration of AI-powered hardware concept with robotic hands and digital brain labeled

AI-Powered Hardware: The Future of Secure Networking

Govind Jha

Govind Jha 5 minute read

How To | Expert Picks

The digital infrastructure landscape is being redefined by a powerful convergence: AI workloads, cybersecurity demands, and advanced hardware appliances. Traditional security tools like standalone...

Banner image showing a network interface cards (NICs) for HPC and virtualization in 2025.

Best NICs for HPC & Virtualization in 2025

Ehsan Ghasisin

Ehsan Ghasisin 6 minute read

Product Review | Expert Picks

As we head deeper into 2025, the importance of high-performance Network Interface Cards (NICs) has never been greater. NICs are no longer just connectors in a world dominated by virtualization,...

Banner showing optical transceivers with text about avoiding network bottlenecks and choosing the right cabling.

Choosing Optical Transceivers & Cabling: Expert Guide

Ehsan Ghasisin

Ehsan Ghasisin 6 minute read

Expert Picks | Cisco

As data traffic accelerates across enterprise networks, campuses, and data centers, selecting the right optical transceivers and fiber optic cabling is no longer optional—it’s foundational....

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