Jim Duffy

Articles by Jim Duffy

Nortel extends optical Ethernet offerings

Mar 25, 2003 3 mins

Mahi to unwrap ‘packet aware’ gear

Mar 24, 2003 3 mins

Cisco attempts to buy its way into home

By Jim Duffy and Toni Kistner

Mar 24, 2003 3 mins

Cellular Networks Cisco Systems Wi-Fi

Cisco enhances SONET system

Mar 24, 2003 2 mins

Cisco Systems Smartphones

Cisco buys home networker Linksys

By Jim Duffy and Toni Kistner

Mar 20, 2003 5 mins

Cisco Systems Network Security Small and Medium Business

Allegro Networks closing down

* Multirouter start-up reaches the end of its journey

Mar 19, 2003 2 mins

IT Management Networking Telecommunications Industry

Nortel updates IOC switch

Mar 19, 2003 3 mins

Allegro Networks closing down

Mar 14, 2003 2 mins

Peeking at the RFPs

Mar 10, 2003 3 mins

Cisco Systems Fujitsu Networking

Who says the Bells aren’t spending?

By Jim Duffy and Michael Martin

Mar 10, 2003 11 mins

Networking Verizon

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9 career-boosting Wi-Fi certifications

By Denise Dubie and Eric Geier

Sep 22, 202612 mins

CertificationsNetwork SecurityWi-Fi

Lenovo expands virtualization portfolio for AI

By Andy Patrizio

Sep 22, 20263 mins

Data CenterNetwork Management SoftwareVirtualization

2026 network outage report and internet health check

By Denise Dubie

Sep 22, 202695 mins

Cloud ComputingNetwork Management SoftwareNetwork Monitoring

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