Ask the Experts

Software-defined networking security: Should we worry?

Software-defined networking security concerns are real, and networking expert John Burke says we'll need new mitigation and defense techniques to address them. Continue Reading
How will software-defined WANs impact the enterprise?

SD-WAN has a lot of potential for enterprises, especially as developers cobble together custom services and capabilities. Continue Reading
Container networking: How does Docker relate to SDN?

Networking expert John Burke tackles container networking in this edition of Ask the Expert, explaining how a Docker container relates to SDN. Continue Reading
What's the status of SDN deployments in the enterprise?

When it comes to widespread SDN deployments in the enterprise, are we there yet? Networking expert Lee Doyle says not quite… but we're on the way. Continue Reading
What makes an SMB network a target for cyberattacks?

Small and medium-sized businesses are ripe targets for hackers. What can they do to improve their protection? Continue Reading

How can SDN and NFV change the telecom central office?

SDN engineer Darien Hirotsu discusses the benefits of the Central Office Re-architected as Datacenter concept for the telecom central office. Continue Reading
When will software-driven networks become the new normal?

SDN engineer Darien Hirotsu explains what it will take for SDN to become the industry standard, with software-driven networks outnumbering their traditional counterparts. Continue Reading
What's the best way to protect my network from APT attacks?

If you take some simple steps, you can help prevent advanced persistent threats from plaguing your network. Continue Reading
How do you anchor mobile network optimization?

A successful mobility strategy hinges on how well users can get their jobs done across a variety of devices, operating systems and locations, according to an expert. Continue Reading
What is the relationship between east-west traffic and SDN?

SDN engineer Darien Hirotsu explains how SDN can help solve the challenges presented by east-west traffic flow in the data center. Continue Reading
What's the difference between hybrid, virtual and SD-WAN?

An expert explains the differences between hybrid, virtual and software-defined WANs and tells how they are each related. Continue Reading

How do you establish connections across multiple MPLS providers?

Your company is merging: How do you link disparate WAN service providers to ensure continued connectivity? Continue Reading
How do you create a secure VPN tunnel?

Expert Julian Weinberger says that locking your VPN parameters can help secure your VPN tunnel by blocking users from changing configurations. Continue Reading
What's the best way to safely preconfigure VPN access?

Expert Julian Weinberger says limiting user VPN access can help enterprises enforce security and BYOD policies and reduce risk at the same time. Continue Reading
Is big data implementation always a custom project?

An expert says it's important to figure out your big data objectives before purchasing hardware or software from a vendor. Continue Reading