Jim Duffy

Managing Editor

Jim Duffy has been covering technology for over 28 years, 23 at Network World. He covers enterprise networking infrastructure, including routers and switches. He also writes The Cisco Connection blog and can be reached on Twitter @Jim_Duffy and at jduffy@nww.com.Google+

Cisco sues HP over VoIP contract

Ethernet switching in high gear in Q2

$5.9 billion market stoked by campus and China

HP serves up its open switches

Accton-based hardware, announced in February, certified by OCP and run multiple OSes

Carriers all in on SDN... Almost

82% deploying or evaluating in small scale to work out kinks

Cisco pal SimpliVity accelerating IPO?

Veteran CFO hire could quicken pace

Cisco's SDN controller has a security hole

Cisco's SDN controller has a security hole

Company issues software to plug a root user access vulnerability

Data center drives Ethernet market

Data center drives Ethernet market

Will account for almost half of switching revenue in 2019, Dell'Oro says

Jane Austen lets the boogie man in: Cisco report

Jane Austen lets the boogie man in: Cisco report

Mid-year security tally finds attackers using Sense and Sensibility

NFV a hit for OpenDaylight

Almost 3/4 of users adopt it for virtualized functions; enterprises find NFV appealing too

Did Cisco lop 400 from Nexus 7000?

Sources say cut in current limited restructuring; Cisco won't confirm

Cisco names two more to new CEO's team

CTO and Chief Digital Officer tabbed on Robbins' first day in the corner office

Cisco kills Invicta storage product line

Pulls plug on troubled appliances that came from $415M WHIPTAIL buy

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