The GTRI blog provides insightful, useful and impactful information on a variety of technology topics written by our first-class engineers and technical experts. Stop back often to read about the latest tech trends and insights.

  • Why Your DNS Infrastructure Should Support Dual-Protocol

    Scott Hogg   |   August 8, 2018
    In this installment of the Infoblox IPv6 Center of Excellence (COE) blog series, we will examine why organizations should make their public authoritative nameservers communicate using both IPv4 and IPv6.  This has been the advice of... Read more
  • The National Levee Database: A Win for American Citizens and for the Cloud

    GTRI Admin   |   July 24, 2018
    Learn how GTRI, now Zivaro, built the underlying infrastructure powering the Army Corps of Engineers updated National Levee Database, on AWS. Levees in the United States: a brief history The history of levees in America stretches back... Read more
  • World IPv6 Launch: Six Years Later

    Scott Hogg   |   June 7, 2018
    June 6, 2018 marks the 6-year anniversary of what is known as World IPv6 Launch.  This event, which was coordinated by the Internet Society (ISOC), took place on June 6, 2012. On that date, many of the large content providers permanently... Read more
  • Pros and Cons of Cloud DNS Services

    Scott Hogg   |   May 25, 2018
    As more organizations move to the cloud for Domain Name System (DNS) services, the global DNS services market is now valued at more than $215M, with continued growth expected. There are many advantages of cloud-based DNS, including... Read more
  • How to Be Prepared for IPv6 DDoS (Distributed Denial of Service) Attacks

    Scott Hogg   |   April 2, 2018
    DDoS Happens! Denial of Service (DoS) attacks are malicious acts that prevent the utilization of an IT system.  The attack can be a single “silver bullet” packet sent to a system that disrupts a service and crashes it.  Other DoS... Read more
  • Admins, Don’t “Default” on Your Security Obligations

    Scott Hogg   |   February 7, 2018
    Any network administrator worth his/her salt knows to change the default password on a router during its initial configuration, or you leave your network open to outside attack. Fortunately, these passwords are easy enough to change. But... Read more
  • Does Your Certificate Authority (CA) Support IPv6?

    Scott Hogg   |   February 5, 2018
    IPv6 adoption has been growing exponentially and the protocol is now supported in all modern operating systems and by many carriers.  It used to be that cloud service providers lacked IPv6 connectivity, but now Amazon AWS and Microsoft... Read more
  • My Top Reflection on Seven Years of Volunteering

    Robert Berger   |   December 27, 2017
    At GTRI, Giving back to the community that has given us so much, is a central part of our culture. Our own Rob Berger, Managing Director of Big Data and Analytics reflects on his work with Big Brothers Big Sisters of Colorado. I find... Read more
  • Last Network Standing: Your Life as an IPv6 Laggard

    Scott Hogg   |   December 13, 2017
    Imagine yourself in a future world where networked technology is fully integrated into our daily lives and self-driving cars are commonplace.  Most networks are wireless and almost all enterprise corporate applications are cloud-based. ... Read more
  • IPv6 Geolocation: Challenges and Solutions

    Scott Hogg   |   November 8, 2017
    Human nature makes us curious to know where we are located within the World Wide Web.  We are also curious about where within the global Internet the person we are communicating is connected.  We could use this information to make security... Read more