Ask the Experts

Ask the Experts

• The role of northbound APIs in an SDN environment

  Northbound APIs on SDN controllers enable applications and orchestration systems to program the network and request services from it.  Continue Reading

• SDN, network virtualization: Are they the same?

  Despite differences, SDN and network virtualization share common elements to direct network resources to VMs and segment or consolidate networks.  Continue Reading

• Do I need to use an SDN controller for software-defined networking?

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

• Developing data security policy for BYOD

  Expert Rainer Enders offers tips for a data security policy that will ensure personal data remains secure on enterprise devices -- and vice versa.  Continue Reading

• What to consider when choosing an MDM system

  Choosing an MDM system can be a complicated process, but expert Rainer Enders breaks down the considerations into straightforward terms in this tip.  Continue Reading

• Do we need full-stream reassembly in network-based monitoring?

  Network management expert Jesse Rothstein explains the concept of full-stream reassembly and why it's necessary for network performance monitoring.  Continue Reading

• Enterprise security: What's the best mobile device management system?

  VPN expert Rainer Enders shows the difference between mobile device management systems and enterprise application stores for mobile device security.  Continue Reading

• Is WEP cracking still a worrisome WLAN security issue?

  Wireless expert Lisa A. Phifer explains to what extent WEP cracking remains a worrisome issue. It all depends on your company's WLAN security policy.  Continue Reading

• Application performance management should include packet capture

  Expert Jesse Rothstein explains the importance and challenges of packet capture abilities in application performance management (APM) solutions.  Continue Reading

• What are the biggest risks of BYOD?

  Do you have remote workers using mobile devices in the office? Before you invoke a bring-your-own-device policy, learn about the risks of BYOD.  Continue Reading

• What are the benefits of IPv6 in SDN and network virtualization?

  One of the benefits of IPv6 is that it makes software defined networking and network virtualization scale easily, IPv6 expert Ciprian Popoviciu says.  Continue Reading

• Is 802.1X authentication good enough for WLAN access control?

  Wireless expert Lisa A. Phifer explains why you shouldn't stop using 802.1X authentication methods for enterprise WLAN access control.  Continue Reading

• How the 802.11ac standard impacts security

  The upcoming 802.11ac standard is an improvement over 802.11n, but how could security be impacted? Wireless expert Lisa A. Phifer explains.  Continue Reading

• What's the best type of VPN for connecting an acquired company?

  What happens when your organization acquires a company? How should you connect sites and what type of VPN setup works best? Our expert responds.  Continue Reading

• How can incorrectly configuring VPN clients lead to a security breach?

  Our virtual private networking expert explains how misconfiguring VPN clients can lead to security breaches in this Ask the Expert response.  Continue Reading