Ask the Experts

How does IPv6 affect support for hybrid cloud services customers?

Hybrid cloud services customers have specific needs surrounding IPv6 support, and many providers aren't meeting them, Ciprian Popoviciu says. Continue Reading
What cloud alternatives work best for enterprisewide applications?

Businesses worried about public cloud performance and compliance have cloud alternatives to consider, including virtual private clouds. Continue Reading
What are the best use cases for public cloud services?

Enterprises increasingly see public cloud services as secure and stable enough for specific non-core applications if they have effective SLAs. Continue Reading
Running IPv6 over low-power devices with limited resources

Expert Silvia Hagen explains what v6LoWPAN does and how it’s used. Continue Reading
ICMPv6: New message types and functionalities

Expert Silvia Hagen explains what ICMPv6 is, and how it differs from ICMPv4. Continue Reading

Integrated mobile application, device management best approach

Administrators don't have to worry about interoperability; integrated mobile application and device management is the best approach. Continue Reading
Why do I need to manage my VPN client software?

Ensuring that the client software itself is up to date is just one of many reasons why it's critical to oversee VPN clients. Continue Reading
What security issues arise with IPv6 and IPv4 in a multi-tenant cloud?

When supporting IPv6 and IPv4 in a multi-tenant cloud, the attack surface for this type of environment is increased, says IPv6 expert Chip Popoviciu. Continue Reading
How can cloud providers offer sensitive data protection?

Cloud expert Mooney Sherman offers tips on how to evaluate various security architectures to provide optimal sensitive data protection in the cloud. Continue Reading
Maintaining mobile device security: How to prevent user breaches

To ensure mobile device security, VPN expert Rainer Enders explains that it is crucial to monitor changed states and block software modifications. Continue Reading
Preventing mobile hacking: Must you take precautions?

Service providers do a good job of blocking mobile hacking -- to a point. VPN expert Rainer Enders offers tips on how to extend device security. Continue Reading

Should I use the OpenFlow protocol in software-defined networks?

The OpenFlow protocol isn't required for SDN, although the Open Network Foundation recommends it, which means networking vendors have options. Continue Reading
Why do I need SDN technology?

SDN is valuable, but uses extend to other parts of the network for increased network flexibility, dynamic traffic flow, decreased latency and QoS. Continue Reading
Specialized SDN controllers: Are they necessary?

An SDN controller, with or without OpenFlow, is not required for a software-defined network, and SDN architecture vendors take different approaches. Continue Reading
Is SDN a centralized or distributed network architecture?

A software-defined network can have a centralized or distributed network architecture in the data center, LAN and WAN, depending on business needs. Continue Reading