Bob O'Hara

Articles by Bob O'Hara

802.11r strengthens wireless voice

By Bob O'Hara and Pat Calhoun

Aug 22, 2005 3 mins

Will Wi-Fi run out of radio bandwidth?

By Bob O'Hara and Wireless Wizards

Feb 2, 2004 3 mins

Network Security Wi-Fi

Will Wi-Max make Wi-Fi obsolete?

By Bob O'Hara and Wireless Wizards

Jan 12, 2004 3 mins

Internet Network Security Wi-Fi

How do we connect large, campus-wide WLANs?

By Bob O'Hara and Wireless Wizards

Dec 15, 2003 2 mins

Network Security Wi-Fi

Wireless security: Wait for 802.11i?

Nov 10, 2003 3 mins

Network Security Security Wi-Fi

Testing Wi-Fi gear for standards compliance

Nov 3, 2003 2 mins

Network Security Wi-Fi

Why do only three channels not overlap?

Oct 20, 2003 3 mins

Network Security Wi-Fi

Will 802.11e provide good QoS for voice?

Oct 6, 2003 3 mins

Network Security

More power to you

Sep 29, 2003 2 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

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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