Network infrastructure
Network hardware and physical appliances, such as routers, switches, gateways, hubs and bridges, serve as the vital foundation of network infrastructure. Common network protocols and more emergent network software also play major roles in any architecture. While networking has shifted to software-centric principles, see how traditional network infrastructure keeps pace.
Top Stories
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Feature
22 Dec 2025
Macrocell vs. small cell vs. femtocell: A 5G introduction
Macrocells, small cells and femtocells each play distinct roles in 5G, balancing coverage, speed, cost and indoor connectivity across different deployment scenarios. Continue Reading
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Feature
16 Dec 2025
Three types of 5G technology explained for enterprise networks
5G spans low-, mid- and high-band spectrum plus NSA and SA deployments, each balancing speed, coverage, cost and complexity as enterprises evaluate use cases from IoT to low-latency networks. Continue Reading
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Answer
11 Jan 2005
Can you assign an IP address ending in .0 or .255?
Learn how to assign an IP address ending in .0 or .255 from networking fundamentals expert Chris Partsenidis in this Q&A. Continue Reading
- Answer 22 Nov 2004
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Tutorial
07 Oct 2004
Routing First-Step: IP header format
Routing and Internet addressing are two important concepts involved in networking. Routing First-Step covers the basics of routing in clear, easy-to-understand language. Continue Reading
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Tutorial
26 Jul 2004
Five critical planning steps for wireless LANs, Step 5: Manageability -- Switching to WLAN switches
This article explains how WLAN switches will help to alleviate manageability issues. Continue Reading
- Answer 20 Jul 2004
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