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Cisco relationship was stressed with Nicira buy: EMC

CEO Tucci acknowledges VMware's acquisition of network virtualization start-up opened rift with partners

Nov 13, 2012 3 mins

Cisco Systems Enterprise Storage Servers

Why does packet loss destroy application performance over the WAN?

TCP's primary mechanism for signaling congestion causes application performance degradation in many ways, and was never optimized for high-bandwidth WANs or interactive applications over the WAN.

By Andy Gottlieb

Nov 13, 2012 6 mins

Cisco Systems Networking WAN

Highlights of Big Switch’s long-awaited SDN announcement

Big Switch finally made its official product announcement, stirring up the SDN pot in the process. Here are the highlights of the announcement.

By Zeus Kerravala

Nov 13, 2012 3 mins

Cisco Systems Networking SDN

Extreme joins Cisco, Brocade, Huawei at 100G

Extreme Networks unveils 4-port 100G and 12-port 40G Ethernet modules for BlackDiamond X8 core switch

By Jim Duffy

Nov 13, 2012 2 mins

Cisco Systems Data Center Network Switches

OpenFlow startup takes aim at Cisco, VMware

Big Switch Networks unveils products, customers, partnerships for SDNs

By Jim Duffy

Nov 13, 2012 4 mins

Cisco Systems Data Center Virtualization

Cisco recommends McAfee switch for IronPort customers hit by Sophos flaws

Attackers could gain control of IronPort appliances because of flaws in Sophos Anti-Virus, Cisco said

By Lucian Constantin

Nov 9, 2012 3 mins

Access Control Small and Medium Business Viruses

Cisco VP to memo leaker: Finding you is now ‘my hobby’

Network World series of stories sparks Cisco series of leaks

By Paul McNamara

Nov 8, 2012 6 mins

Cisco Systems Data Center

Cisco’s Q1 expected to miss

Two investment firms cut expectations, cite lowered enterprise spending, US demand

By Jim Duffy

Nov 7, 2012 2 mins

4G Cisco Systems Network Switches

How to properly use a load balancer in Cisco’s Identity Services Engine

Here are some guidelines for one of the most common problems among those running Cisco's Identity Services Engine.

By Aaron Woland

Nov 7, 2012 7 mins

Access Control Cisco Systems

With Vyatta, Brocade makes a low-risk, high-reward bet on SDN

Brocade's acquisition of open source networking software company Vyatta could prove to be a key move in the SDN battle with Cisco.

By Zeus Kerravala

Nov 5, 2012 3 mins

Cisco Systems Networking SDN