Pat Calhoun

Articles by Pat Calhoun

802.11r strengthens wireless voice

By Bob O'Hara and Pat Calhoun

Aug 22, 2005 3 mins

Personal firewalls

Feb 23, 2004 3 mins

Network Security Security Wi-Fi

Differences between LWAPP and GRE

Feb 16, 2004 3 mins

Network Security Wi-Fi

Why does a wireless system need extra VPNs?

Feb 9, 2004 2 mins

Network Security Security Wi-Fi

How can WPA be more secure than WEP?

By Pat Calhoun and Wireless Wizards

Jan 19, 2004 3 mins

Network Security Wi-Fi

Watching for rogues

Oct 27, 2003 3 mins

Network Security Wi-Fi

How can we provide for WLAN mobility?

Sep 15, 2003 3 mins

Network Security Wi-Fi

Preventing wireless snooping

By Bob O'Hara and Pat Calhoun

Aug 18, 2003 2 mins

Cellular Networks Network Security Security

Will existing APs work with new switches?

Jul 21, 2003 2 mins

Network Security Wi-Fi

Protecting your WLAN from attacks

Jul 7, 2003 2 mins

Network Security Security Wi-Fi

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2026 network outage report and internet health check

Aug 4, 202678 mins

Cloud ComputingNetwork Management SoftwareNetwork Monitoring

With FCC ban on new Chinese-made optical transceivers for DCs likely, it may be time to stock up

By Evan Schuman

Aug 4, 20268 mins

Artificial IntelligenceLaws and RegulationsNetworking Devices

Nvidia moves to accelerate storage access, boost industry cooperation

By Michael Cooney

Aug 4, 20264 mins

Artificial IntelligenceData CenterEnterprise Storage

Has the hype around ‘Internet of Things’ paid off? | Ep. 145

Apr 18, 202436 mins

IoT PlatformsIoT Security

Episode 1: Understanding Cisco’s Converged SDN Transport

Sep 24, 202120 mins

Cisco SystemsInternetNetworking

Episode 2: Pluggable Optics and the Internet for the Future

Sep 23, 202117 mins

Cisco SystemsComputers and PeripheralsInternet

Master Linux Math with the bc Command | Easy CLI Calculations Explained!

Jun 23, 20251 mins

Operating Systems

Master Linux Math in Seconds: How to Use the expr Command Like a Pro

Jun 17, 20251 mins

Operating Systems

How to Do Math in the Command Line Using Double Parentheses

Jun 6, 20251 mins

Operating Systems