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Articles by Sean Michael Kerner 

Cisco Expands Security Services Portfolio with Portcullis Acquisition

Portcullis acquisition builds on Cisco's acquisition of privately-held Neohapsis at the end of 2014.

Juniper Unites Network Architecture, Evolves Security

Juniper wraps its hardware and software efforts together and once again Junos is at the core.

Verizon Reports on the State of Digital Network Transformation

If you want to enable digital transformation, you need to think about the network.

ARIN's Free Pool of IPv4 Address is Done

With the final block of IPv4 addresses issued, is it finally time to move to IPv6?

Amazon's Sunday Outage - Why Network Availability Zones Matter

Amazon's US-EAST-1 data center continues to be a weak link in the cloud.

Mirantis Accelerates OpenStack NFV Cloud Efforts

Mirantis joins with Citrix, Metaswitch Networks and Overture Networks to help bring OPNFV to OpenStack deployments.

Arista Launches 25G Networking Switches

25G is no longer just a topic of discussion. It's now a product that can be ordered.

WiFi at 25 Races Ahead with 802.11ax

The next big thing for the WiFi specification is still years away, but will add significant performance.

Palo Alto Networks Aims to Sharpen Security with AutoFocus

AutoFocus and Aperture technologies expected to drive future growth as Palo Alto Networks FY2014 revenue tops $928 million.

Verizon Embraces Cisco for Managed SD-WAN Service

Though there is still money to be made in MPLS, customer demand is driving a need for SD-WAN.

Polycom Expands RealPresence with New Hardware and Software

Unified Communications options grow with new RealPresence Touch and OTX Studio releases.

VMworld: The App is the Network

VMware's Martin Casado redefines the relationship of applications to the network in the modern virtual world.

The Ghost of Cius: Cisco Tries Again with Apple

It wasn't all that long ago that Cisco tried (and failed) to have its own mobile device strategy.

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