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0520 HS104: How Long Should Your Planning Horizon Be?
How far ahead should you plan, and what things belong in your strategic plan? Conventional wisdom holds that a 3-year planning horizon is “about right”–but in a period of rapid technical and geopolitical change (such as we’re arguably in right now) does that go too far out, particularly when agile methodologies recommend shorter action plans... Read more »
TNO029: The Power of Curiosity With Michael Costello
Michael Costello shares his career journey on today’s Total Network Operations. Currently on the Board of Directors at NANOG and a Distinguished Engineer at Saviynt, Michael talks about his early days learning the ropes as a junior network engineer, trying to start an ISP, his stint in graduate school, and a very interesting role at... Read more »N4N026: What Is a Tunnel?
Let’s dig into tunnels. While some network engineers may want to quibble, a tunnel is when you put one packet inside of another packet to carry it across a network (frames also come into the picture, so hold off on your follow-ups for now). On today’s N Is For Networking, Ethan and Holly explore this... Read more »PP062: Hunting for Host Security and Performance Issues with Stratoshark
Stratoshark is a new tool from the Wireshark Foundation that analyzes system calls on a host. Network, security, and application teams can use Stratoshark to diagnose performance issues and investigate behavior that may indicate malware or other compromises of the host. On today’s Packet Protector we talk with Gerald Combs of the Wireshark Foundation about... Read more »HW052: How Capable Is My Wi-Fi Client?
Today on Heavy Wireless we welcome Francois Verges, who designed a database tool to help Wi-Fi engineers easily find client device capabilities. It provides quick access to key specs like data rates, Wi-Fi versions, and vendor documentation. It’s designed to be a go-to option when looking for Wi-Fi client specifications. We discuss why he developed... Read more »TNO028: Move From Monitoring to Full Internet Stack Observability: New Strategies for NetOps (Sponsored)
Network monitoring, Internet monitoring, and observability are all key components of NetOps. We speak with sponsor Catchpoint to understand how Catchpoint can help network operators proactively identify and resolve issues before they impact customers. We discuss past and current network monitoring strategies and the challenges that operators face with both on-prem and cloud monitoring, along... Read more »TL013: The Process Communication Model: An Algorithm for Effective Communication
On this episode of Technically Leadership, we’re joined by Aleksandra Lemańska to learn about the Process Communication Model (PCM), a framework for enhancing communication. Alex calls PCM an algorithm for people, and it can be useful for improving interactions with engineers and technical folks operating in high-stress environments. We talk about how PCM works, understanding... Read more »N4N025: DHCP – Someone Get Me an Address!
The Dynamic Host Configuration Protocol (DHCP) assigns an IP address to a host that joins a network, along with other information necessary for the host to communicate. DHCP also has more to it, so this week’s episode is meant to be a solid introduction to this essential network protocol. We first discuss what it is... Read more »NAN091: The Future of Autonomous Networking With Jeff Doyle
Today’s guest is Jeff Doyle, an expert in the networking industry with over 30 years of experience as a consultant, instructor, architect, author, and speaker. Eric chats with Jeff about his background and how he got into networking (spoiler: it was not a computer science degree!). The conversation explores Jeff’s current work and delves into... Read more »PP061: Comparing Breach Reports, RSAC 2025 Highlights, and a Security Awareness Soapbox
New breach reports show threat actor dwell times are dropping significantly. It’s a positive development, but there is a caveat. We discuss this caveat and other findings from the 2025 editions of the Verizon Data Breach Investigations Report and the Google M-Trends Report. We also get highlights from the 2025 RSA Conference, and JJ gets... Read more »HS103: Why IT Is Like Ultimate Frisbee
It’s all well and good to develop a technology strategy, articulate and document the strategy, and agree (supposedly) on that strategy. But what do you do when one or more of the tech teams act in apparent opposition to the strategy? John and Johna discuss why this happens and what questions you need to ask... Read more »
TNO027: Seeing the Internet With Doug Madory
Doug Madory has been called “The Man Who Can See the Internet.” Doug has developed a reputation for identifying significant developments in the global layout of the internet. He joins us today to discuss his role in analyzing internet data to identify trends and insights. He shares his journey from a data QA position to... Read more »N4N024: DNS Security, Record Types, and Reverse DNS
This week we continue with DNS. In our last episode we covered the basics; today we expand our scope to cover topics such as security for DNS, reverse DNS, and DNS record types. For dessert this week, a serving of Raspberry Pi and Happy Eyeballs. Episode Links: DNS: Turning Names into Numbers – N Is... Read more »PP060: Subsea Cables and the Watery Risks to Critical Infrastructure
Submarine cables are a hidden wonder. These fiber optic bundles carry data and voice traffic around the world and serve as critical global links for communication and commerce. Today on Packet Protector, guest Andy Champagne dives into the history of submarine cables, the technological and operational advancements that allow voice and data to travel hundreds... Read more »HS102: IT’s Role In AI (Sponsored)
AI can impact an enterprise in several ways: making individuals more productive, making products and services more effective, and making it easier for customers and partners to do business. IT plays a critical role in enabling AI to have these impacts. On today’s sponsored Heavy Strategy, Cisco CIO Fletcher Previn explains how to locate AI use... Read more »