Ask the Experts

What is the status of VNF deployments among service providers?

Although service providers are undertaking VNF deployments in the network core, they're hard-pressed to deploy them at the network edge due to complexity and cost. Continue Reading
How to perform packet loss tests and how they work

Network engineers have two standard systems utilities that help them check for packet loss. Learn how this is done and, should a problem prove persistent, the best next steps for troubleshooting packet loss. Continue Reading
What is a long-tail DoS threat, and how does it target web apps?

Fine-grained application monitoring can defend against a long-tail DoS threat. This new kind of vulnerability manipulates service queues within a web application. Continue Reading
How do virtual ADCs benefit enterprise data centers?

Virtual ADCs bring another level of flexibility, authentication and performance monitoring, moving application delivery controllers beyond load balancing and application acceleration. Continue Reading
What effect does NetOps have on enterprise networking teams?

Similar to the DevOps framework, a NetOps approach provides networking teams with a way to use automation and virtualization to create more agile networks and deploy applications faster. Continue Reading

Does software-defined networking architecture use segment routing?

Segment routing steers packets using a list of instructions, and it can be used in MPLS and IPv6 architecture. But does software-defined networking architecture support it? Continue Reading
How do I begin network infrastructure planning for SD-WAN?

When gearing up for SD-WAN upgrades, enterprises should take their time with network infrastructure planning. These three steps can help get them started. Continue Reading
What metrics and tools can accurately measure network performance?

Several methods and metrics measure network performance and throughput. But IT needs to gauge these measurements on a consistent basis to avoid major service issues. Continue Reading
What is multi-access edge computing, and how has it evolved?

Multi-access edge computing provides the processing capacity needed to support the increase of 'things' at the network edge. But for all its promise, MEC has challenges to face. Continue Reading
Does software networking fit modern data center requirements?

Software networking can support modern data center requirements, private clouds and accompanying applications. But IT teams need to wade through components and suppliers to get there. Continue Reading
How do I troubleshoot network performance with traffic monitoring?

When undertaking network performance troubleshooting, organizations can benefit from a mix of passive and active network traffic monitoring to identify issues. Continue Reading

How do SD-WAN as a service and managed SD-WAN differ?

Software-defined WAN technology is available in a variety of business models, including SD-WAN as a service and managed SD-WAN services. But how do these two models compare? Continue Reading
What key network performance issues spark service disruptions?

From cabling to capacity issues, IT professionals need to consider all possibilities when rooting out the underlying cause of network performance problems. Continue Reading
Which SD-WAN security concerns should I tackle first?

IT teams thinking about software-defined WAN technology should assess a few SD-WAN security concerns before deployment to make sure it's worth the investment. Continue Reading
How can network analytics tools benefit IT staff?

Network analytics tools can help IT managers proactively pinpoint network performance issues and trends -- even before the underlying problem is revealed. Continue Reading