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Jim Duffy
Jim Duffy

Jim Duffy

Managing Editor, Service Providers

Network World, Inc.

  • jduffy@nww.com
  • 118 Turnpike Road
  • Southborough MA 01772

Recent articles by Jim Duffy

New Juniper routers converge the access net

February 07, 2012

Juniper Networks this week has unveiled access routers designed to provide an on-ramp to the service provider network from residential, business and mobile networks.

Highly anticipated net virtualization startup Nicira exits stealth mode

February 06, 2012

One of the most anticipated debuts of a startup company happens today when Nicira, a maker of network virtualization software, comes out of stealth mode.

Cisco Ethernet switches make big leap to 40/100G

February 01, 2012

Cisco this week unveiled significant extensions to both of its major switching lines with the addition of 40/100G Ethernet capabilities.

Brocade hones app delivery controllers for IPv6, net management

February 01, 2012

Brocade this week released new software for its application delivery controllers that gives users greater visibility into performance, and enhances IPv6 communications.

Juniper's financial challenges continue

January 27, 2012

Juniper Networks' challenges are due to timing with new product rollouts and shifts in investments from customers and channel partners.

Say goodbye to Fast Ethernet

January 25, 2012

The Layer 2-3 Ethernet switch market is forecast to approach $28 billion in 2016, with future growth driven primarily by sales of Ethernet switches optimized for larger data center deployments.  

IBM, NEC team on OpenFlow

January 24, 2012

IBM and NEC have partnered to offer OpenFlow-based networking products to joint customers.

Juniper acquires BitGravity content technology, engineers

January 23, 2012

Juniper Networks has acquired technology and personnel from BitGravity, the content delivery networking (CDN) subsidiary of Tata Communications.

Cisco expands smart grid portfolio

January 18, 2012

Cisco this week expanded its smart grid portfolio for utilities with a reference architecture, products and services intended to modernize the electric grid.

Cisco sending enterprises to the cloud

January 12, 2012

In an effort to accommodate enterprise users looking to implement private and hybrid clouds, Cisco in the coming months will unveil an "integrated" WAN routing system of existing, but enhanced, products.