Ask the Experts

Will edge routers be replaced as SD-WAN growth continues?

SD-WAN growth is affecting the edge router market, according to Gartner forecasts. Network expert Andrew Froehlich discusses whether or not SD-WAN will replace edge routers. Continue Reading
What's the difference between NFV automation and NFV orchestration?

NFV automation is the ability to transfer manual network configuration to technology; NFV orchestration creates the deployment and automation blueprint. Continue Reading
Wireless access point vs. wireless router: What's the difference?

Understanding the functions of a wireless access point vs. wireless router will help you deploy the right device for the right circumstance. Continue Reading
Why an application performance monitoring tool is essential

An application performance monitoring tool harvests data and differs from application management, offering valuable services in an age of virtualization. Continue Reading
What vertical industries can benefit from SD-WAN deployments?

SD-WAN deployments can benefit a number of industries, providing improved performance and lower costs. Expert Lee Doyle looks at three of the top SD-WAN verticals. Continue Reading

Will NFV standards address orchestration in the near future?

NFV standards for orchestration are affected by the number of standards groups and service providers' individual approaches, says SDN expert Lee Doyle. Continue Reading
Is it hybrid WAN vs. SD-WAN, or does SD-WAN help implement hybrid WAN?

Expert Lee Doyle tackles the issue of hybrid WAN vs. SD-WAN. Although the technologies are separate, SD-WAN can make hybrid WAN deployment and operation easier. Continue Reading
What is iPerf and how is it used?

Expert Chris Partsenidis explains what iPerf is and how iPerf commands can help you measure your network's bandwidth, delay, jitter and potential for data loss. Continue Reading
How to achieve secure mobile device management

Laptops and phones are critically important in the era of BYOD, but safety can only be achieved with secure mobile device management. Continue Reading
Defining SD-WAN benefits: Does better QoE make the list?

The list of SD-WAN benefits often includes cost savings and better routing; does it also include better quality of experience compared to a traditional WAN? Continue Reading
How do PKI problems complicate VPN management?

Securing and managing VPNs can be a challenge, and public key infrastructure can help, but PKI problems are often lurking. Continue Reading

What is the advantage of SFP ports on a Gigabit switch?

SFP ports enable Gigabit switches to connect to a wide variety of fiber and Ethernet cables in order to extend switching functionality throughout the network. Continue Reading
What SD-WAN architecture is best for your network?

When looking for the right SD-WAN architecture to implement, it's important to consider your specific network and the traffic it experiences. Continue Reading
How do site-to-site VPN configuration and remote-access VPNs vary?

Learn the difference between a site-to-site VPN and a remote-access VPN, as well as the protocols used for each one. Continue Reading
NFV vs. VNF: What's the difference?

NFV versus VNF: SDN engineer Darien Hirotsu explains the differences between network functions virtualization and virtual network functions. Continue Reading