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+

Pica8 scales OpenFlow 1,000x

Support for ONF spec overcomes limits, company says

VMware SDN, cloud issues did not push Casado out

VMware SDN, cloud issues did not push Casado out

A restless scientist just got a great offer, analysts say

SDN Pioneer Casado Leaving VMware

SDN Pioneer Casado Leaving VMware

Heading to VC firm Andreessen Horowitz; replaced by former Broadcom, Cisco exec Ramaswami

SD-WAN startup Versa software defines security

SD-WAN startup Versa software defines security

Adds DNS, secure Web gateway to VNF roster, boost performance of existing offerings

Cisco boosts, broadens Catalyst switches

Cisco boosts, broadens Catalyst switches

New Sup6T has arrived, as well as a low-end supervisor for the 4500-E and a "Mini" for small sites

Rackspace to resell PLUMgrid OpenStack SDN

Rackspace to resell PLUMgrid OpenStack SDN

Major endorsement for start-up from OpenStack founder

Arista violated 3 Cisco patents: ITC

Arista violated 3 Cisco patents: ITC

Rival plans workarounds in Q2 to keep switches on the market

SDN shifts from configuration to analytics

SDN shifts from configuration to analytics

Two vendors, Midokura and Pluribus, offer products for visibility into operations, performance

VMware, Cisco SDNs bring home the bacon

VMware, Cisco SDNs bring home the bacon

Both play key roles in food processor SugarCreek's data centers

Big Switch frees up its SDN

Big Switch frees up its SDN

Base fabric software to be offered at no cost as inducement for commercial products

Arista countersues Cisco for Antitrust

Arista countersues Cisco for Antitrust

Alleges unfair competitive practices on eve of ruling in earlier patent case

Dell serves up its own disaggregated OS

Dell serves up its own disaggregated OS

Linux-based OS10 designed to meld switches, servers, storage into a software-defined data center

SDN pioneer Big Switch lands big round, big names

SDN pioneer Big Switch lands big round, big names

$48M in funding and Warmenhoven, Morgenthaler on board

Arista Networks pops next-gen OS

Arista Networks pops next-gen OS

EOS now supports Docker containers, network-wide state, hybrid cloud workloads

Containers, hyperconvergence and disaggregation are hot

Containers, hyperconvergence and disaggregation are hot

Vendors say will be key trends in 2016

AT&T allies with Cisco, IBM, Intel for city IoT

AT&T allies with Cisco, IBM, Intel for city IoT

Sensor and analytics framework will smarten up Atlanta, Chicago and Dallas

Cisco’s greatest hits, 2015

Cisco’s greatest hits, 2015

2015 was an extremely busy year for Cisco, with the CEO and executive leadership transition, major partnerships and product introductions, major product cancellations, competitive and strategic positioning and, of course,...

Court finds for Arista in EOS suit with co-founder

Court finds for Arista in EOS suit with co-founder

Judge says OptumSoft's scope of ownership definition too broad

Cisco will need to tackle these high-tech issues in 2016

Cisco will need to tackle these high-tech issues in 2016

Disaggregation, security, software licensing all part of challenges Cisco faces.

Juniper Networks adds an edge to its router

Fortifies MX line with new line cards, automation software

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