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Why do so many of us get nervous when public speaking? Communication expert Lawrence Bernstein says the key to dealing with the pressure is as simple as having a casual chat. He introduces the "coffee shop test" as a way to help you overcome nerves, connect with your audience and deliver a message that truly resonates. After the talk, Modupe explains a similar approach in academia called the "Grandma test," and how public speaking can be as simple as a conversation with grandma. Want to help shape TED’s shows going forward? Fill out our survey ! Become a TED Member today at ted.com/join Hosted on Acast. See acast.com/privacy for more information.…
Content provided by Packet Pushers. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Packet Pushers or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://ppacc.player.fm/legal.
Data Center construction has reached an incredible pace over the last few years with implications on NetOps and operations of all kinds. Today we with talk with sponsor Siemon regarding the state of data centers, past, present and future. We explore legacy data centers and how they are evolving to work in today’s environments. We... Read more »
Content provided by Packet Pushers. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Packet Pushers or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://ppacc.player.fm/legal.
Data Center construction has reached an incredible pace over the last few years with implications on NetOps and operations of all kinds. Today we with talk with sponsor Siemon regarding the state of data centers, past, present and future. We explore legacy data centers and how they are evolving to work in today’s environments. We... Read more »
Microsegmentation divides a network into boundaries or segments to provide fine-grained access control to resources within those segments. On today’s Packet Protector we talk about network and security reasons for employing microsegmentation, different methods (agents, overlays, network controls, and so on), how microsegmentation fits into a zero trust strategy, and the product landscape. Episode Links: ... Read more »…
You need someone to design your operations processes–or perhaps redesign them. That’s an Ops Architect. Should you take an ops person and train them up in architecture? Or an architect and train them up in operations? Do you even have that ops/engineer/architect organizational structure – and should you? Johna and John dive into this discussion ... Read more »…
Take a Network Break! We start with a Red Alert for the IBM Tivoli Monitoring Tool, which has an unpatched (as of recording time) vulnerability that could allow remote attackers to execute arbitrary code. On the news front, Salesforce ponies up $8 billion for Informatica to improve data governance capabilities, Google researchers revise estimates of ... Read more »…
Today on the Tech Bytes podcast, we talk about how to get more out of your NetFlow records with sponsor NetFlow Logic. NetFlow’s been around for a long time, and if you’re already including flow records as part of your monitoring and management arsenal, you may think you’re extracting all the value you can from ... Read more »…
If you participate in the public Internet by announcing your own netblocks, you should be familiar with Internet Routing Registries (IRRs) and the Routing Policy Specification Language (RPSL). These are tools that help you be a good network citizen. In a world of BGP hijacks and other problems, these tools matter more than ever. We ... Read more »…
Total Networks Operations sits down with Justin Ryburn for a wide-ranging discussion on the state of the networking industry. Topics including how to attract new talent to network engineering and network operations; getting literate in DevOps/infrastructure tools such as GitHub, Terraform, and Python; pairing Dev and NetOps to maximize domain expertise; integrating tools and trying ... Read more »…
Let’s chat about point-to-point links. On today’s episode we cover what should and shouldn’t be done, and discuss why following RFC’s doesn’t always get you to the right place. We dig into questions including: Don’t we just use link-local addresses for point-to-points? Shouldn’t we assign a /127, just like we do a /31 in IPv4? ... Read more »…
We wanted to do an episode on SD-WAN, but realized we needed to set the stage for how wide-area networking developed. That’s why today’s episode is a history lesson of the Wide Area Network (WAN). We talk about how WANs emerged, public and private WANs, how WANs connect to LANs and data centers, the care ... Read more »…
Ubiquiti is known primarily for wireless equipment for residential and small business use, but it can be a player in the enterprise world. On today’s show, we talk with Darrell DeRosia, Sr. Director, Network & Infrastructure Services with the Memphis Grizzlies, about how he provides that connectivity for the FedExForum, home to the Memphis Grizzlies ... Read more »…
Cloud networks aren’t like traditional data center networks, so applying a traditional network design to the cloud probably isn’t the best idea. On today’s Day Two Cloud, guest Aidan Finn guides us through significant differences between Microsoft Azure networking and on-prem data center networks. For instance, subnets don’t segment hosts, network security groups do; every ... Read more »…
Aviatrix is a cloud network security company that helps you secure connectivity to and among public and private clouds. On today’s Packet Protector, sponsored by Aviatrix, we get details on how Aviatrix works, and dive into a new feature called the Secure Network Supervisor Agent. This tool uses AI to help you monitor and troubleshoot ... Read more »…
Take a Network Break! We begin with a Red Alert for critical vulnerabilities Kubernetes Gardener. Up next, a threat actor has been squatting on unused CNAME records to distribute malware and spam, and IP Fabric rolls out a new firewall rule simulation capability to let administrators test the effect of firewall rules on traffic patterns. ... Read more »…
Netris is tackling the issue of automating multi-tenancy in an AI data center. Netris has your answer to this challenge, and it’s a solution certified to work with NVIDIA. We’re going to get into the nuts and bolts of Netris network automation with Alex Saroyan, CEO and co-founder of Netris. Along the way, we will ... Read more »…
Data Center construction has reached an incredible pace over the last few years with implications on NetOps and operations of all kinds. Today we with talk with sponsor Siemon regarding the state of data centers, past, present and future. We explore legacy data centers and how they are evolving to work in today’s environments. We ... Read more »…
On today’s episode, we are joined by Dr. Brad Topol, Distinguished Engineer and Director of Open Source Technologies at IBM, to talk about how to scale your leadership. We explore the process of how he went from individual contributor to distinguished engineer to director and executive. We chat about how you build a career ... Read more »…
On today’s Heavy Networking we talk with Dan Wade about testing the network, inspired by Dan’s talk at AutoCon 2: “Step 0: Test the Network.” We discuss why testing is a good idea, and then explore four types of network testing, including unit tests and integration tests. We dig into Yang, RESTCONF, NETCONF and gNMI ... Read more »…
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 »…
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 »…
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 »…
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 »…
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 »…
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 »…
Take a Network Break! This week we catch up on the Airborne vulnerabilities affecting Apple’s AirPlay protocol and SDK, and get an update on active exploits against an SAP NetWeaver vulnerability–a patch is available, so get fixing if you haven’t already. Palo Alto Networks launches the AIRS platform to address AI threats in the enterprise, ... Read more »…
On today’s Heavy Networking, a roundtable panel considers whether a modern network needs to be built around underlays and overlays. This isn’t just Ethan yelling at clouds. This is a legitimate question pondering the real-world value of an overlay/underlay approach. Is overlay everywhere overkill, or is that the architecture we need to deliver a safe, ... Read more »…
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 »…
Today we talk with Tommy Jensen, a Senior Technical PM Strategist at Microsoft, about IPv6 support in Windows. Tommy shares what he hears from enterprises that are moving toward IPv6-mostly, strategies for dealing with older applications and devices that expect IPv4, and how the customer conversations he’s having about IPv6 now are more engaged and ... Read more »…
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 »…
The shine has been coming off public cloud for awhile. Cloud costs remain high, complexity is growing, and public cloud interoperability is difficult. And while there’s talk about moving back to private cloud, that migration presents its own costs and complexities. To help us navigate the challenge that is cloud in 2025, we welcome Mark ... Read more »…
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 »…
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 »…
On today’s show, we’re going to dig deeper into tunnels and explore some of the quirks and features of tunnels. This week we’ll discuss maximum transmission units (MTUs), maximum segment size, IP fragmentation and more. Today’s bonus material is more RFCs – RFC 4821 and RFC 8899. Episode Links: What Is a Tunnel? – N ... Read more »…
Damien Garros, CEO and co-founder of OpsMill is with us once again for today’s podcast. Since we last spoke with Damien, OpsMill has emerged from stealth mode and is making progress as one of the leaders in network source of truth in the field. Today, we’ll talk through the progress Infrahub has made and get ... Read more »…
Wireless security takes center stage in this episode of Packet Protector. Jennifer Minella and guests discuss “secure by default” efforts by WLAN vendors; the current state of PSK, SAE, and WPA3; NAC and zero trust; more WLAN vendors adding AI to their products (or at least their messaging); and more. Jennifer is joined by Jonathan ... Read more »…
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 »…
Take a Network Break! Guest co-host Tom Hollingsworth steps in for Johna Johnson. We start with Google patching a significant Chrome vulnerability and de-elevating Chrome running with admin rights when it launches on Windows. On the news front, we discuss a report, unconfirmed as of recording time, that Arista is acquiring VeloCloud, then discuss Broadcom ... Read more »…
AI is no longer on the horizon. It’s part of how people and products work today. And as AI finds its way into more business applications and processes, it can create new risks. On today’s Tech Bytes, sponsored by Palo Alto Networks, we talk about how Palo Alto Networks is addressing those risks so that ... Read more »…
While studying for the CCIE Service Provider certification, Andrew Ohanian assembled a workbook to help him prepare. It’s packed with lab exercises, and Andrew has turned it into a free Web resource that anyone can access. On today’s Heavy Networking, we talk with Andrew about what’s in the guide, the state of the CCIE SP, ... Read more »…
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 »…
Our IPv6 Basics series continues with link-local addresses. Link-local addresses are unicast addresses used for addressing on a single link. The intent of link-local addresses is to let devices that may not have a router or global unicast address allocation mechanism still be able to communicate on a network segment. On today’s show we dig ... Read more »…
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 »…
How do you measure developer performance and productivity? On today’s Day Two DevOps, we look at different methods with guest Laura Tacho, the CTO at DX. We explore industry benchmarks such as the DORA report, SPACE, and DevEx. Laura also introduces us to Core 4, a project she’s been working on that provides a new ... Read more »…
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 »…
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 »…
Take a Network Break! We start with follow-up from a listener on the best way to listen to our podcast that helps the most. The answer? Any listen on any platform helps. Even better is to tell a friend! We discuss two critical security issues. First, CISA adds active exploits against known SonicWall vulnerabilities to ... Read more »…
SharkFest is the twice-yearly conference where Wireshark users and trainers gather to learn, share, and improve their packet and protocol analysis skills. The US version of SharkFest’25 is June 14 -19 in Richmond, VA. Gerald Combs of the Wireshark Foundation is here to tell us about why this live event needs to be on your ... Read more »…
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