TeleGeography Explains the Internet
TeleGeography Explains the Internet is a podcast that unpacks the global business of connectivity, hosted by Greg Bryan. Each episode explores the infrastructure and economics behind the internet, from submarine cables and data centers to international bandwidth. Drawing on TeleGeography's research, the show examines how data moves around the world and what shapes the industry's future. It provides an insightful look at the systems that power online communications.
Episodes
AI & Telecom | Dispatch Agentic AI
As artificial intelligence transitions from broad hype to practical application, enterprise network managers are asking a critical question: How does AI actually fix my day-to-day workflow?
In this episode of TeleGeography Explains the Internet, host Greg Bryan sat down with Dennis Thankachan, CEO and Co-Founder of Lightyear, to explore how agentic AI is transforming the notoriously painful proc
WAN Trends for 2026 | Research Analyst Carlie Carson
Today's guest is Carlie Carson, Research Analyst on the enterprise team at TeleGeography.
Carlie and host Greg Bryan consider:
How has AI inferring impacted the enterprise network?
Is SD-WAN still relevant?
Has MPLS disappeared from the enterprise WAN?
The pair leverage their own Enterprise Network Trends and Strategy Report to bring actual data to the trends we often talk about on the pod.
Carl
The AI Revolution and the Physical Internet | TG Explains AI
As we look at the massive AI boom sweeping across the globe, what does it actually take from a physical standpoint to keep these models running?
Why are submarine cable operators building networks just in case a surge of traffic arrives, and how is local power grid availability dictating exactly where the next major hubs are being built?
What role are legacy crypto-mining data centers playing now
Network Monitoring for the AI Era | TG Explains AI
The TeleGeography Explains the Internet podcast welcomes Jezzibell Gilmore, General Manager, Service Provider at Kentik.
She discusses the profound impact of artificial intelligence on global network infrastructure, and how networks are evolving to handle new technological demands.
Key topics covered:
The Strain of AI workloads: The explosion of AI and GPU-heavy tasks is exposing the criticality
Can Data Centers Keep Up With AI Demand? | TG Explains AI
Host Greg Bryan welcomes Phill Lawson-Shanks, Chief Innovation Officer at Aligned Data Centers.
With several decades of experience in digital infrastructure, Phill has seen the industry evolve from mainframes and green screens to the massive hyperscale cloud platforms we rely on today.
In this episode, we explore:
The Shift in Data Center Geography: Why the "center of gravity" for networks is mov
The Edge and AI Inferencing | TG Explains AI
This episode features Hunter Newby, a veteran of the telecom industry with experience spanning from LDDS WorldCom to building carrier hotels and neutral internet exchange points.
Newby discusses how AI inferencing is reshaping network infrastructure requirements and why geography still matters in the internet age.
Key topics covered:
Low-latency inferencing: Why AI applications require a fundamen
Impact of AI on Transport | TG Explains AI
What are the real bottlenecks in AI infrastructure development?
How is this infrastructure boom similar to the 90s internet boom? How do we overcome the pricing paradox in telecom transport where demand keeps rising and service prices keep falling?
Today on TeleGeography Explains the Internet, we welcome Luis Colasante, Head of Procurement Strategy for Energy & Infrastructure at Colt Technolog
AI Adoption in Networking | TG Explains AI
Host Greg Bryan welcomes Jason Gintert back to the show. As the incoming President of the U.S. Networking User Association, Jason dives into the current state of AIOps in network management.
This includes:
Low Adoption and Key Challenges: Despite being a popular topic, AIOps adoption remains low due to concerns about trusting AI output (hallucinations) and the indeterminate nature of large langua
The Impact of AI on the Network | TG Explains AI
Our latest pod series on all things AI continues with Seva Vayner, Product Director for Cloud Edge & AI at Gcore.
Seva joins host Greg Bryan to tackle what is perhaps the dominant topic in telecom today: the impact of AI on the network. The pair distinguish between "AI for networking" and "networking for AI," and explore how AI training models are driving a dramatic increase in power consumpti
All About AIOps | TG Explains AI
It's a new year and the TeleGeography Explains the Internet team is kicking off a multi-episode series all about AI and its impact on global networks.
To start, we're joined by Chalan Aras, Senior Vice President at Riverbed to discuss how the rise of Artificial Intelligence is fundamentally reshaping the way we think about the WAN.
In this episode, we dive into:
AI for Networking vs. Networking f
Cloud & Data Centers: What to Know for 2026
TeleGeography experts Jon Hjembo and Patrick Christian answer our biggest questions about recent data center and AI booms.
In this final episode of our three-part pod series reviewing the year in telecom—and looking ahead to 2026—we cover:
How many data center projects were we tracking in 2025? And where are they located around the world?
What kind of constraints are those projects encountering,
Pricing & Enterprise Networks: What to Know for 2026
Welcome to the second episode in our three-part series catching up on the most interesting stories in telecom from 2025, and looking forward to what we expect in 2026.
Today's episode focuses on all things pricing and enterprise networks. We're joined by Rob Schult, who leads TeleGeography's pricing practice, and Brianna Boudreau, who manages our SD-WAN and NaaS research.
These experts tackle que
Submarine Cables & Transport Networks: What to Know for 2026
What were the big cable headlines of this year, and what do you need to know about transport networks in 2026? To find out, we're kickstarting our three-episode review of What to Know in the New Year.
Joining us for this submarine and terrestrial infrastructure review are friends of the pod Lane Burdette and Paul Brodsky.
In this episode of the TeleGeography Explains the Internet podcast, these ex
How Great ISPs Nail Their Net Promoter Score Surveys
While we hear a lot about automated provisioning and NaaS, how long does it really take to get a quote for DIA service?
Or more to the point, how long does it take to actually get a circuit installed?
What do enterprises really think of their ISPs?
In this episode of the TeleGeography Explains the Internet podcast, Dennis Thankachan, CEO and co-founder of Lightyear, addresses these questions and m
Space Weather + Sub Cables | Shibaji Chakraborty, PhD
Perhaps you've seen the Aurora Borealis. This is a beautiful example of what we call space weather.
But did you know that space weather could take out service on submarine cables?
Shibaji Chakraborty, a research scientist at Embry-Riddle Aeronautical University, joins the show to explain how space weather can affect the critical, metallic power-feed cables that run alongside the fiber-optic line
616: All About Network Resiliency | Tony O’Sullivan
Tony O’Sullivan, CEO of RETN, joins Greg to discuss network resiliency.
They address how providers can build networks that withstand outages, whether from someone who forgot to call the utility company or an anchor dragging on the seafloor.
The episode covers:
Why it's crucial to have a transparent provider willing to share information about their network when they can, including the physical loc
Submarine Cable Sensing | Mark Englund
In our final episode of this special podcast series about undersea cables, we're exploring the rapidly evolving technology of using fiber optic cables as remote sensors.
We welcome Mark Englund, CEO of Fibersense. Mark explains the fascinating world of Distributed Acoustic Sensing (DAS), and how this emerging technology is turning existing fiber optic cables into sentient, continuous sensors. We e
615: Wait But Why...Do We Use the Internet Like That?
Today's bonus podcast welcomes Tim Urban, author of the blog Wait But Why (https://waitbutwhy.com/) and the book "What's Our Problem?"
For a change of pace, this episode focuses on what happens *on* the consumer internet, not just the underlying technology and business of the web.
You'll quickly see that Tim is an astute observer of human trends, with a wealth of insight on how the internet has co
Submarine Cable Routing | James Porter
Where do operators physically place their submarine cables, and why does that matter?
Even among those familiar with the undersea cable market, many don't give much thought to where precisely the cables lie on the seafloor and what factors determine this geography.
Today's guest knows a thing or two about how it gets done. We welcome James Porter, Cable Route Engineer at Alcatel Submarine Networks
The Faults in Our Cables | Alan Mauldin and Mike Constable
When submarine cables hit the mainstream media, it might be because something has gone wrong. Especially when faults lead to a bottleneck that slows down or, in rare cases, even stops internet traffic for some people.
Our guests today presented a paper at SubOptic 25 detailing their study on global submarine cable maintenance and recommendations for the industry.
Mike Constable, Principal at Infra
Sub Cable Security | Ferris Adi
Let's talk about keeping submarine cables secure.
Ferris Adi, Chief Information Security Officer at Trans Americas Fiber System (https://transamericasfiber.com/), joins to discuss specific threats to submarine cables and how best to build resiliency against them.
We also cover various regulatory and compliance issues that submarine cable operators face when landing in different countries, as well
The Economics of Submarine Cables | Lane Burdette
We're kicking off a brand new mini-series all about *submarine cables.*
To start off the series, we couldn't think of a better guest than Senior Research Analyst Lane Burdette, an expert (and nerd) when it comes to cables. She and host Greg Bryan discuss the economics of submarine cables.
The conversation covers:
A refresher on the cables themselves, and all of the components that go into buildin
614: An FCC Commissioner Explains Spectrum Allocation and Broadband Expansion
Joining us today is FCC Commissioner Nathan Simington.
Commissioner Simington has served on the Commission since late 2020. He brings a diverse background to the role, including experience with the NTIA.
The Commissioner and Host Greg Bryan cover several key issues facing the FCC:
👉 Several issues surrounding spectrum allocation and use. We talk about how FWA and LEO fit in spectrum plans, CBRS,
613: Automate or Bust
We welcome Michael Martin, formerly a global network and security architect at McKinsey.
Michael has extensive experience in the enterprise network space. We get his take on the industry's state of implementation of network automation among enterprises.
Podcast HQ: https://www2.telegeography.com/telegeography-explains-the-internet-podcast
TeleGeography Blog: https://blog.telegeography.com/
Our Re
612: Lightyear Considers the State of Connectivity
Dennis Thankachan, Co-Founder and CEO of Lightyear (https://lightyear.ai/), is back on the pod.
We discuss Lightyear's State of Connectivity Report (https://lightyear.ai/ebooks/lightyears-state-of-connectivity-2025), which dovetails with the topics we research here at TeleGeography. It may be a perfect companion to our State of the Network effort. (https://www2.telegeography.com/download-state-of-
611: The Podcast Goes Dark! (Dark Fiber, That is)
We haven't been getting enough fiber here at TeleGeography Explains the Internet, but we're about to change that. We welcome Todd Chapman, a veteran in fiber development. Todd walks us through the ins and outs of Layer 0 of the physical infrastructure underlying data transmission.
Podcast HQ: https://www2.telegeography.com/telegeography-explains-the-internet-podcast
TeleGeography Blog: https://b
610: What You Need to Know About Network as a Service in 2025
Our next guest is Fahim Sabir, Director of Digital Solutions at Colt.
What is NaaS? Fahim joined us to clarify the often confusing world of Network as a Service (NaaS). We discuss Fahim's definition of NaaS and a breakdown of why it's important in the market. We also discuss the back end, examining what the carrier ecosystem needs to accomplish to make customer-facing NaaS a reality.
Podcast HQ:
609: A Telecom Year in Review
As the year ends, a few teammates joined us on the podcast to review the major telecom events of the past 12 months and chat about what we might anticipate in 2025. Some highlights 👇
⛓️💥 Analyst Lane Burdette joins the show to review some of the most headline-grabbing trends (https://blog.telegeography.com/what-to-know-about-submarine-cable-breaks) we saw in the submarine cable world.
☁️ While ca
608: Data Assurance in the Age of AI
Our latest guest is Vinay Prabhu, Director of Product Management at Graphiant. He joins us to discuss the intricacies of moving data around the globe. Vinay outlines why you should think about your data in motion and what Graphiant is doing to ensure its safe passage, particularly as AI becomes prevalent.
Podcast HQ: https://www2.telegeography.com/telegeography-explains-the-internet-podcast
TeleG
607: Internet Sourcing, as Explained by an Internet Aggregator
Our guest today is Rutger Bevaart, CEO and Co-founder of GNX. Rutger has a deep history in the telecom industry and founded GNX to streamline internet sourcing, which is undoubtedly a pain point for many listeners.
We discuss the shift away from MPLS and toward the internet and how that transition can bring many benefits to an enterprise; however, it also comes with complexity and new challenges,
606: When Networking and Security Collide
Our guest today is Marcel Stadler, Product Manager of SD-WAN at Open Systems. Marcel joins our semi-annual conversation on SD-WAN; he outlines how managed SD-WAN providers like Open Systems approach these issues with their enterprise customers.
Podcast HQ: https://www2.telegeography.com/telegeography-explains-the-internet-podcast
TeleGeography Blog: https://blog.telegeography.com/
Our Research: h
605: A Guide to Calculating the World's Next Interconnectivity Hub (According to You)
Where are we building data centers? Why? What markets are primed for interconnectivity glory? Which ones are getting left in the dust?
We've heard these questions repeatedly, so we did what any reasonable telecom data provider would do: we developed an interactive tool to rank the world's best-connected and fastest-growing cities, scoring them on a scale of 0 to 100 across nine key categories.
Thi
604: Who Orchestrates the Orchestrators?
We're back on the AI beat, specifically looking at how it can support corporate network automation.
Our guest today is Jamie Pugh, CTO at Globalgig. Jamie joined the show to ponder automation and discuss enterprise network orchestration in the era of an increasingly complex WAN.
Podcast HQ: https://www2.telegeography.com/telegeography-explains-the-internet-podcast
TeleGeography Blog: https://blog
603: What Network Managers Should Know About AI and Machine Learning
We had to do an AI episode of the pod. For that, we welcome Michael Wynston, Director of Network and Security Architecture at Fiserv. He's here to help us understand how AI is developing as a network management tool.
Podcast HQ: https://www2.telegeography.com/telegeography-explains-the-internet-podcast
TeleGeography Blog: https://blog.telegeography.com/
Our Research: https://www2.telegeography.co
602: What to Know About Direct-to-Device Satellite Communications
For our next episode, we look to the sky. Our guest is Sal Salamone, Managing Editor of Network Computing magazine. Sal joins to discuss the emerging market for direct-to-device satellite communications.
Podcast HQ: https://www2.telegeography.com/telegeography-explains-the-internet-podcast
TeleGeography Blog: https://blog.telegeography.com/
Our Research: https://www2.telegeography.com/en/our-res
601: The History of U.S. Telecom Policy (in Under 60 Minutes)
TeleGeography Explains the Internet examines U.S. telecom law. Greg is joined by Jeff Long, a private practice attorney with broad experience in the data center and telecom industry.
Podcast HQ: https://www2.telegeography.com/telegeography-explains-the-internet-podcast
TeleGeography Blog: https://blog.telegeography.com/
Our Research: https://www2.telegeography.com/en/our-research
TeleGeography Literally Explains the WAN
Over the past five weeks, we've endeavored to explain precisely how data moves around the world, covering:
What is the Internet? https://blog.telegeography.com/what-is-the-internet
What is a Transport Network? https://blog.telegeography.com/what-is-a-transport-network
What Are Data Centers? https://blog.telegeography.com/what-are-data-centers
What is the Cloud? https://blog.telegeography.com/wh
TeleGeography Literally Explains the Cloud
You may have heard a popular saying: There is no cloud, only other people’s computers.
To explain how it works, Senior Research Manager Patrick Christian joins us to talk cloud. We explain what it means to get something "as-a-service," hyperscalers, CDNs, and how companies get to the cloud.
More from this series:
What is the Internet? https://blog.telegeography.com/what-is-the-internet
What is a
TeleGeography Literally Explains Data Centers
How and where do networks meet and exchange traffic with each other? How do they access their destinations?
Senior Research Manager Jon Hjembo helps us understand data center types, their defining features, and what happens inside these facilities. We discussed who owns these structures and how their geography informs how the internet works.
More from this series:
What is the Internet? https://blo
TeleGeography Literally Explains Transport Networks
We explore the physical transport networks behind this seemingly invisible, omnipresent information superhighway. And we get a little help from TeleGeography's own Paul Brodsky, Peter Wood, and Lane Burdette.
More from this series:
What is the Internet? https://blog.telegeography.com/what-is-the-internet
What Are Data Centers? https://blog.telegeography.com/what-are-data-centers
What is the Cloud?
TeleGeography Literally Explains the Internet
What is the internet? Simply put, the internet is a network of computers.
Computers can only understand two things: on and off. Everything that we do on the internet is in binary—a series of 1s and 0s representing on and off—which gives instructions to your computer to do all the amazing things it does.
This means that the very bottom of the internet is a system for sending those 1s and 0s over wi
511: Wi-Fi 6 Afraid of 7?
Drawing upon his vast expertise in the Wi-Fi space, Tiago Rodrigues, President and CEO of the Wireless Broadband Alliance (WBA), joins us in defining the key issues in the wireless LAN. This episode considers Wi-Fi 6, 6E, and 7 developments, OpenRoaming™ that allows seamless connection across different Wi-Fi networks, and Wi-Fi’s role in emerging solutions like NaaS.
We also discuss the digital di
510: Head in the Cloud, Toes at the Edge
Today we welcome Nokia's Paul Unbehagen to the pod.
Paul has a deep history in the networking world, so he approaches his role at Nokia—NE Americas CTO—from the perspective of a network engineer.
Although our main topics this week are enterprise cloud and right-sizing cloud utilization, we use those as a springboard into many topics circling the state of the network in 2023.
We touch on the histor
509: Why 4G Is Still Relevant for Enterprise Connectivity
We welcome SmartCIC CEO Toby Forman to the show. Toby has a global perspective on the development of fixed wireless access (FWA) and its potential as a disruptive technology in the enterprise connectivity space.
After nailing down a solid definition of FWA in the market today, we run through the factors to consider when deploying FWA. Toby explains what Cellsmart—a division of SmartCIC focused on
508: How Geography Influences Network Security
Today’s guest comes to the security world with a deep background in cloud and networks. Joe DePalo is Chief Platform Officer at Netskope, and the ideal person to help us understand how and why location matters in network security.
We first identify how the network has changed over the past few years, gauging its impact on the threat landscape and how networks perform generally. Also on the agenda:
507: How Do Targeted Ads Work? Is My Phone Listening In?
We're asking the big questions about mobile advertising. Luckily, Ross Flynn of the Mobile Ecosystem Forum is with us to explain. Ross has a background in digital advertising, making him the ideal person to walk us through advertising formulas that pair ads with IPs.
He talks to Greg about programmatic advertising—not just what it is, but how the practice impacts the mobile market. And then we ge
506: Born in the (US)NUA: LIVE from Ohio!
In August, we joined a meeting of the OH Network User Group at the BrewDog hotel and brewery in Columbus, Ohio. (If you're unfamiliar with the Network User Association, they're worth checking out.)
The Ohio chapter kindly agreed to let host Greg give a live talk on how enterprise WANs are changing and the implications of those changes for network costs. We brought lots of WAN data, fielded tons of
505: It’s a Bird, It’s a Plane, It’s Super Cloud
We're thrilled to welcome William Collins, Principal Cloud Architect at Alkira, to the pod.
We asked William to discuss the history of enterprise cloud and highlight a few of the bigger issues in enterprise cloud networking today. His answers might surprise you. We even discuss supercloud—what it is and what its implications are. Grab your super suit and punch the play to hear the full discussion.
504: How NaaS Relates to SDN and Automation
Telecom industry veteran Mark Daley, Epsilon Telecommunications Director of Digital Strategy and Business Development, joins us on the pod. After spending nearly a decade directly involved with SDN and NaaS at Epsilon, Mark is the perfect guest to discuss how NaaS is unfolding in the market.
We start with Mark’s definition of NaaS and where he sees its availability in the current telecom services
503: The Total Transformation of Latin American Telecom
Luis Fiallo has been in the telecom industry for over 25 years. For the majority of that time, he has been at China Telecom Americas, witnessing firsthand the many changes happening in the Latin American telecom market.
After years of helping to drive CTA's growth in the region, Luis, now Vice President, has many valuable insights to share with TeleGeography Explains the Internet.
Peter Wood, Tele
502: Why Telecom Service Providers Need To Automate
We welcome Stan Hubbard, Principal Analyst at MEF, to the show. Stan recently authored a State of the Industry Report for MEF; we wanted to have him on to discuss his findings and see where the telecom industry is at with adopting new technologies.
Stan explains the market drivers and why telecom service providers need to automate to stay relevant and competitive. He then outlines the path carrier
501: Are These WAN Sourcing Trends Real or Just Hype?
Dennis Thankachan, Co-Founder and CEO at Lightyear, joins us on the pod. Dennis is uniquely positioned to see how enterprises are sourcing networks. This episode covers the shift to off-premises data centers, hybrid and remote work, the drive to cut network costs through changing technologies, right-sizing networks, and more.
We also touch on Dennis’ skepticism about frequently mentioned WAN trend
425: Surveying the WANscape
Season 4 ends on a high note with Junior Research Analyst Mei Harrison’s podcast debut.
As one-half of our enterprise team's two-man band, Mei is the perfect person to help us discuss results from our recently published WAN Manager Survey. We highlight the key trends in multinational corporate networks worldwide, covering MPLS vs. DIA use in the underlay, SD-WAN adoption, cloud connectivity, NaaS,
424: What Happens to Cables When The Earth Moves Under Our Feet?
How are submarine cables impacted by tectonic shifts beneath the seafloor?
This week's guests are well-positioned to tell us. They join us from the UK’s National Oceanography Centre: Isobel Yeo, Researcher in Geology and Volcanology, and Michael Clare, Principal Researcher of Ocean BioGeoscience and Marine Environmental Adviser to the International Cable Protection Committee.
Mike and Izzy are ge
423: Staying a Step Ahead of Mobile Fraudsters
Our guest today is Dario Betti, CEO of the Mobile Ecosystem Forum.
It's always nice to have industry association folks on the show. I've found they can pull back from the perspective of a single vendor or operator to paint a broader picture of the challenges facing different corners of the telecom industry. This is exactly what Dario does in this interview on all things mobile.
Dario first expla
422: AI Meets The Corporate Network
Today’s episode of TeleGeography Explains the Internet is about artificial intelligence. And for that we welcome Kannan Kothandaraman, Co-Founder and CEO at Selector AI.
With a plethora of cheeky, AI-generated content out there already, we don't have to tell you that AI has been in the news a lot lately. And I know "AI" is a capacious term; this week's conversation focuses on how AI/ML will actual
421: What Makes a WAN Truly Secure?
Aryaka’s Chief Product Officer Renuka Nadkarni visits the podcast. We discuss how Aryaka approaches the WAN across different services like network, WAN optimization, SD-WAN, and security. We also chat about the state of the modern WAN, the forces that have changed it, and how those changes impact how one should think about security.
With an extensive background in security, Renuka has a clear and
420: When Carriers Collaborate
Wanna look at some cool voice data? The recent expansion of the i3forum's Insights tool has quite a bit of that. I've been itching to talk about it on the podcast. So today we're chatting with the i3forum, a nonprofit industry body focused on "accelerating transformation across the carrier ecosystem."
In other words, this consortium of carriers routinely collaborates on solving some of the biggest
419: Confessions of a Telecom Investor
Meet Aaron Chan, Founder and Managing Partner at Recurve Capital. As an investor in the “technology media and telecom” space—or “TMT” as they say in finance circles—Aaron has something of an outside perspective.
In this episode, we discuss how investors view the telecom industry and how Aaron classifies publicly traded telecom companies.
You'll hear Aaron's view of the long-term profitability of n
418: Behind the Seas—Making Our Famous Submarine Cable Map
There's a good chance that you first heard about TeleGeography through one of our maps.
Our own Research Analyst Lane Burdette was introduced to TeleGeography when she came across our Submarine Cable Map a few years ago. Now part of the team that creates this map, Lane is understandably stoked about this week's 2023 Submarine Cable Map launch.
It seems like the perfect time to welcome Lane—along w
417: Preparing the Next Generation of Infrastructure Professionals
Rohan Singh knew his future was in networking and communication when he saw his first network diagram at around 12 years old. That's probably why he feels like he's been involved in networking for most of his life.
Now Vice President of Client Services at Marlabs, Rohan joined us at TeleGeography Explains the Internet to talk about all that goes into the modern digital transformation.
While we had
416: The Death of Voice Has Been Greatly Exaggerated
We brought Senior Research Manager Paul Brodsky on to discuss our most recent voice report, but we couldn’t help getting into much more. We talk about the history of telecom, and how voice and internet networks compare, and how that is impacting voice traffic and revenue.
The conversation also covers the cash cow that voice once was and what's happening now. Voice enthusiasts will appreciate that
415: Unpacking Telecom Predictions of the Past
It's one thing to make predictions, but it's another to assess how those predictions turned out.
One month into 2023, Mattias Fridström, Chief Evangelist at Arelion, very kindly agreed to scrutinize his 2022 forecast with us. As you'll hear, Mattias has been at Arelion (formerly Telia) for a long time. From his perspective within a tier 1 provider, he has an outstanding view of the industry. He us
414: SASE and Secure
This week we welcome Jeremiah Ginn, Software Defined Cybersecurity Evangelist at AT&T and author of Diving into SASE.
In this episode, you'll learn how to define SASE based on your audience and identify the key elements that belong in the SASE framework. We then dig into the fast-paced update cycle for security software. Why is it necessary for the modern network? And what are the implications
413: A Brief History of Networking as a Service
This week's guest on TeleGeography Explains the Internet has a deep history in networking.
Khalid Raza was involved in some of the earliest large-scale MPLS deployments. Then, after seeing the limitations of MPLS, he co-founded Viptela–diving head-first into the SD-WAN revolution.
Khalid is now the Founder and CEO of Graphiant, a Silicon Valley-based startup. In this interview, he describes how en
Bonus Episode: The WAN in 2022
Host and Senior Manager of Enterprise Research Greg Bryan broke out the data for this bonus New Year's episode. Fans of our annual WAN Manager Survey will enjoy seeing our 2022 results. We've also got intel on NaaS, SASE, MPLS, and all the other acronyms that mattered to the WAN world in 2022.
We're looking forward to exploring the global business of connectivity with you in the year ahead. Cheer
411: 2022 in Review (Part 2)
We're looking back at all things telecom in 2022. And we're doing it the best way we know how: rounding up our analysts and inviting them to discuss significant findings in their research areas.
Part two takes us on a journey through the last 12 months of submarine cable news, SD-WAN, security, and major world events that intersected with telecom infrastructure. We were thrilled to have TeleGeogra
410: 2022 in Review (Part 1)
Greg Bryan kicks off the first of a two-part telecom year in review, welcoming experts Patrick Christian, Rob Schult, and Jon Hjembo to highlight the major trends they saw in their principal research areas.
Part one takes us through the year in wholesale internet, cloud services, transport pricing, data centers, and more. We talk inflation, we talk energy, we talk geography. And we're only just ge
409: The Digital Divide Episode
James “Jim” Capuano has over 30 years of experience in the telecommunications industry and is the CEO of Horizon, a more than 125-year-old service provider.
We recently asked Jim to share some of his knowledge on the pod. In this episode, we view middle-mile problems and solutions from a provider perspective and discuss how the middle mile is developing in the current WAN environment.
Then we turn
408: Orchestrating the Service Lifecycle
MEF CTO Pascal Menezes is back on the pod to discuss what MEF has been up to.
Our first topic: Lifecycle Service Orchestration. What is it, how has it progressed, and what does it do for the carrier community? We also get into enterprise automation, operational APIs, new SASE and ZT standards, and more.
Podcast HQ: https://www2.telegeography.com/telegeography-explains-the-internet-podcast
TeleGeo
407: Embracing Carrier Service Automation
This week, with the help of Jeremy Villalobos, COO of Orchest (formerly known as GoldConnect) we tackle automation from a carrier perspective.
What is it? How is it being used in telecom? And why is it crucial that carriers move toward automation?
Of course, we had to tie in the impact on the enterprise WAN, as well as the future of automation—including practical uses for blockchain telecom.
Podc
406: Unraveling the Fabric Providers of Reality
This week, we're talking about NaaS. We've covered NaaS in various contexts on this show, but this episode focuses on fabric providers and where they're headed.
For that, we're so glad to have on our outspoken and knowledgeable friend Michael Wynston, Director of Network Security Architecture & Automation at Fiserv. Michael has now been on TeleGeography's podcast not once, not twice, but three
405: Unpacking Network Observability
If you want to review the state of the corporate WAN—in light of digital transformation, the cloud, SD-WAN adoption, and MPLS utilization—there's no one better to talk to than Phil Gervasi, Director of Technical Evangelism at Kentik.
Lucky for us, he was this week's guest on TeleGeography Explains the Internet.
We covered the state of lift-and-shift into the cloud, the perseverance of MPLS, real u
404: What Role Do Satellites Play in Global Communication?
Let's talk satellites! We have the perfect person to help us out. We're thrilled to welcome Dr. Peter Wood, TeleGeography analyst and resident satellite guy, to the pod.
We discuss how, while wires still reign supreme, satellite is having a resurgence. And maybe the potential to disrupt the wireline market? Listen to our conversation to find out. It was also an excellent opportunity to get Alan Ma
403: Mobile as Infrastructure in Africa
Our guest today is Waheed Adam, Global Board Director of the Mobile Ecosystem Forum and Executive Chairperson at iTouch Messaging Service.
He was a fantastic guest who brought a wealth of knowledge—and some really excellent stories—about mobile adoption as infrastructure in Africa. Senior Research Manager Patrick Christian joined in to discuss mobile-first economies, the role of hyperscalers/data
402: Data Centers and the Opportunity at the Edge
When we reached out to today's podcast guest—Jim Poole, Vice President of Business Development at Equinix—about being on the show, we asked if he'd be willing to dig into NaaS or edge data centers.
But as we got to talking before our interview, we realized that these two topics are deeply interrelated. And Jim has lots of insight to share about where the market is headed.
We waded through how Equi
401: Simply Illuminating
To kick off Season 4, we're going deep into the supply chain as Greg welcomes Dr. Michael Lebby, CEO of Lightwave Logic. The pair gets into making a better mousetrap for the light-switching world. Listen up if you're into the technology that makes optical transport possible, and specifically, how this technology fits into the telecom transport ecosystem.
Podcast HQ: https://www2.telegeography.co
Introducing TeleGeography Explains the Internet
Get ready. There's a new season of the WAN Manager Podcast coming to your feeds next week.
This season will be our biggest yet. It’s so big, we couldn’t contain our conversations to just the WAN. That’s why the WAN Manager Podcast is now: TeleGeography Explains the Internet.
New name. More content. Same great show. See you next week.
WAN Manager Podcast 316: What’s Wireless Got to Do With It?
Anyone in the WAN business—from the carrier or end-user side—knows that local access can present some of the biggest challenges in corporate networks.
There's a physical geography problem that's not easy to overcome. We're talking about pulling and maintaining wires to all corporate sites, which is especially challenging when customers need physical diversity and protection.
Wireless has long been
WAN Manager Podcast 315: How Enterprises Are Implementing NaaS (And Leaving MPLS)
While NaaS and the middle mile are fairly new concepts, they're not new to the podcast.
In episodes past, we've highlighted the framework, concept, market players, and products available. Now we consider things from another perspective. Ameet Naik, Director of Product Marketing at Cloudflare, takes center stage to help us tackle some real-world NaaS use cases.
The WAN Manager Podcast is now TeleGe
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