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
09 Dec 2025
What are the pros and cons of 5G?
Enterprises that seek the benefits of 5G's speed, capacity and low latency must consider the costs, complexities and security issues of getting coverage where they need it. Continue Reading
By- Chuck Moozakis, Editor at Large
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Feature
08 Dec 2025
The essential 5G glossary of key terms and phrases
5G offers enterprises new features and capabilities that promise to transform traditional networking. Continue Reading
By- Kate Gerwig, Editorial Director
- Michaela Goss, Senior Site Editor
- Answer 16 Feb 2005
- Answer 16 Feb 2005
- Answer 15 Feb 2005
- Answer 01 Feb 2005
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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
By- Chris Partsenidis, Firewall.cx
- 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
- Answer 30 Jun 2004
- Answer 30 Apr 2004
- Answer 14 Apr 2004
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- Answer 23 Feb 2004
- Answer 08 Oct 2003
- Answer 14 Aug 2003