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Pat Calhoun

Articles by Pat Calhoun

802.11r strengthens wireless voice

The 802.11r standard is designed to speed handoffs between access points or cells in a wireless LAN.

By Bob O'Hara and Pat Calhoun

Aug 22, 2005 3 mins

Personal firewalls

Feb 23, 2004 3 mins

Wi-Fi Network Security Security

Differences between LWAPP and GRE

Feb 16, 2004 3 mins

Network Security Wi-Fi

Why does a wireless system need extra VPNs?

Feb 09, 2004 2 mins

Wi-Fi Network Security Security

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 07, 2003 2 mins

Wi-Fi Network Security Security

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Netskope extends SASE localization capabilities

By Denise Dubie

Dec 07, 20234 mins

SASESD-WANCloud Access Security Broker

Western Digital keeps HDDs relevant with major capacity boost

By Andy Patrizio

Dec 06, 20234 mins

Enterprise StorageData Center

Global network outage report and internet health check

By Ann Bednarz and Tim Greene

Dec 06, 2023286 mins

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

Optical DrivesCisco SystemsInternet

Episode 3: Looking Forward: 5G, Digital Transformation, and the Network of the Future

Sep 22, 202114 mins

5GCisco SystemsInternet

How to calculate factorials in Linux

Nov 02, 20232 mins

How to use the nohup command

Oct 31, 20232 mins

How to use date command options

Oct 26, 20232 mins