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+


Juniper jettisons mobile security biz

Sells Junos Pulse to private equity firm for $250 million

IEEE forms 25G Ethernet study group

The standards organization has formed an 802.3 25G Ethernet study group to consider market opportunities and requirements for a single-lane 25G Ethernet speed for server interconnects. The formation of the study group follows...

Big Switch aims to control the cloud with SDN product

Big Switch Networks this week is unveiling an SDN controller designed to bring Google-like hyperscale networking to enterprises.

Cisco enterprise controller going through paces

APIC Enterprise Module being banged on by DevNet community as it lingers in betas, field trials.

Cisco, Microsoft chasing clouds

Companies extend data center integration work with 3 year GTM agreement

Cisco customers are brutally consolidating too

Cisco customers are brutally consolidating too

CEO Chambers says only 1/3 of large enterprises will be around in 20 years

Open user group specs out SDN expectations

ONUG also forms use case working groups for WANs, overlays and services virtualization.

Arista targets Big Data, IP storage with 100G leaf switches

Also, extensions to its switch operating system lets users deploy 40G Ethernet over single or multimode fiber.

Cisco singing a different ACI tune

It's now the "most complete SDN" there is

Cisco mulling membership in Google, Microsoft Ethernet group

25 Gigabit Ethernet Consortium formed with Arista, Broadcom and Mellanox for faster development of lower cost/gigabit data center links.

Cisco says Tail-f will complement its own cloud orchestrator

Cisco says Tail-f will complement its own cloud orchestrator

Intelligent Automation for Cloud, introduced in 2011, still plays a role for now

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