February 21, 2014 11:45 AM
Faster speeds are just part of the new Ethernet technology. New forwarding technologies and the emergence of SDN also are changing the Ethernet switch landscape.
December 16, 2013 11:32 AM
Startup aims to help organizations overcome barriers to software-defined networking with kit that includes its white-box switch and a controller.
November 18, 2013 12:31 PM
Articulating application details and knowing what kind of information firewall administrators need to fulfill a change request will help smooth communication between sysadmins and the security team.
November 15, 2013 13:23 PM
Security teams are often left out of application planning, but should be involved in projects from the start for the best results.
November 14, 2013 12:30 PM
Understanding firewall architectures, how firewalls track the state of traffic flow and why directionality matters will help sysadmins work better with the network security team.
November 12, 2013 17:51 PM
For sysadmins trying to get their applications to work, the firewall can seem like an impediment. With more insight into firewalls and the job of a firewall administrator, a sysadmin will be able to communicate better with the security team.
October 31, 2013 13:08 PM
The new QFX5100 switches are a key element of Juniper's MetaFabric architecture.
October 11, 2013 15:43 PM
Startup ThousandEyes monitors the performance of cloud applications. It's got a limited range of transactions, but it can help IT identify and troubleshoot problems.
August 27, 2013 15:11 PM
Arista announced three new applications that streamline provisioning for virtual environments, expose network performance data and simplify network device upgrades.
August 01, 2013 15:03 PM
The EIGRP routing protocol just got more interesting with the addition of Cisco's Over the Top feature. Here's how it works plus its pros and cons.
July 22, 2013 15:21 PM
Embrane is no SDN wannabe. The company's SDN platform goes beyond mere transformation of hardware into virtual appliances.
July 16, 2013 16:08 PM
As Cisco expanded beyond switching and routing, network engineers had to put up with buggy code and a loss of innovation. The company is finally showing network engineers they haven’t been forgotten.
June 24, 2013 16:55 PM
Cisco touts its new Catalyst 6800 switch line as a game changer, but it’s really designed to satisfy Catalyst 6500 customers without changing much at all.
June 06, 2013 12:38 PM
Big Switch is stepping away from the OpenDaylight project, which is building an open-source controller. As it departs, the company says the market clamors for white-box SDN switches. Is that right?
May 01, 2013 11:30 AM
Arista Networks’ 7500E makes switches exciting again. New line cards support 10, 40 and 100GbE mix-and-match ports and offer outstanding port density. Arista’s per-port pricing is also compelling.
April 24, 2013 12:33 PM
The Nexus 6004 is a 10-Gpbs/40-Gbps data center switch. While a bit of a power hog vs. competitors’ boxes, it promises line rate forwarding on all ports, with 1-microsecond latency. I look at the architecture that makes this possible.
February 26, 2013 10:53 AM
Layer 2 multipathing standards such as TRILL and SPB may seem redundant in an SDN world. But these standards still have a role to play while we wait to see how the SDN market matures.
February 15, 2013 10:25 AM
SDN startup Anuta Networks is launching a controller for IaaS cloud providers to manage physical network infrastructure—switches, routers, load balancers and more—and to automate the provisioning of network services.