Alle afleveringen
250 afleveringen, van nieuw naar oud
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HN747: Automate The Easy Things
30 augustus 2024 · 58 min
Our Heavy Networking guest today is Hans Driessens, and we sat down at AutoCon1 to talk through some of his network automation projects. Hans shares his journey from a service engineer to a consultant specializing in network automation. We discuss the evolution of programming languages, the importance of foundational programming skills, and the practicalities of... Read more » Lees meer
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HN746: Going Deep on OSPF Route Filtering
26 augustus 2024 · 48 min
On today’s episode we delve into OSPF filtering. That is, how to filter routes from a device’s routing table in an OSPF environment. This is a tricky business, because OSPF requires an identical database on every device in an OSPF area. That means you can’t stop announcing a route from one OSPF router because you... Read more » Lees meer
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HN745: Using Abstractions in Automation
16 augustus 2024 · 59 min
Today’s episode of Heavy Networking comes to you from AutoCon1 in Amsterdam, recorded live on premises. In today’s network automation discussion, we cover abstraction layers with guest Jaakko Rautanen. Practically speaking, what are abstractions, and how do they help make your network automation project successful? We’ll also discuss some of our guest’s automation projects, how... Read more » Lees meer
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HN744: How BackBox Helps You Mitigate CVEs for Network Devices (Sponsored)
9 augustus 2024 · 44 min
Today we explore a network automation use case for configuration compliance in the face of never-ending common vulnerabilities and exposures, or CVEs. If you can automate that compliance, you have a shot at keeping pace with the bots and attackers attempting to exploit those CVEs and breaching your network. Our guest is Rekha Shenoy, CEO... Read more » Lees meer
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HN743: Leveraging AI for Network Automation at Scale (Sponsored)
2 augustus 2024 · 49 min
AI is making its way into network automation. Maybe the thought of a hallucinating ChatGPT getting its six-fingered hands on your network makes you want to run the other way. But the story of AI for IT operations is more nuanced than the hot takes we get about the confidently dumb results that Large Language... Read more » Lees meer
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HN742: Designing a Real-World Hybrid Cloud Network
26 juli 2024 · 55 min
On today’s show we talk about designing a network to support hybrid cloud deployments. That is, building and operating a network to interconnect the Big Three US public clouds (GCP, AWS, and Azure) as well as on-prem infrastructure to support a variety of applications and workloads. The network design had to meet several requirements, including... Read more » Lees meer
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HN741: History of Networking: How Bridging Saved Ethernet
12 juli 2024 · 48 min
Ready to take a trip back to the 1980’s and learn some networking history? We talk with Alan Kirby, who was there forty years ago when the first Ethernet bridge was created at Digital Equipment Corporation (DEC). He explains the story of why and how it came to be. We discuss how Ethernet compared to... Read more » Lees meer
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HN740: IETF’s Network Management Operations (NMOP) Working Group
28 juni 2024 · 48 min
When you think of IETF, you probably just think of defining protocols, but its new NMOP working group is all about helping network operators identify issues and deploy solutions, including those that pop up around automation. Mahesh Jethanandani is an Area Director (AD) for Management in IETF, which oversees the NMOP WG, and joins the... Read more » Lees meer
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HN739: High Stakes Network Observability for High Frequency Trading
21 juni 2024 · 50 min
High Frequency Trading in finance demands the utmost quality and speed from a network, making flawless observability a must. Our guest today is Radu Ionco from Jump Trading, and he tells us about how they built their own custom network observability platform, even creating a monitoring system for the monitoring system. We talk through streaming... Read more » Lees meer
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HN738: Reducing Complexity With Fortinet’s Unified SASE (Sponsored)
14 juni 2024 · 50 min
Fortinet’s Unified SASE provides consistent security controls and policies both for traditional campuses and the hybrid workforce.. Nirav Shah joins us to explain how Fortinet is positioned to do this: a foundational software developed for 20 years, a network of over 140 POPs, a security lab with over 1,000 researchers, continuous ZTNA verification proxies, and... Read more » Lees meer
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HN737: Greg Ferro: The Exit Interview
7 juni 2024 · 1 uur 6 min
Greg Ferro, co-founder of Packet Pushers, is signing off. After years of frustrating health issues, he’s decided to fully step back from podcasting and industry analysis to take care of himself. After 14 years, today is his last appearance on Heavy Networking. In this parting episode, Greg shares his final dose of incisive insights and... Read more » Lees meer
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HN736: Understanding VMware by Broadcom (Sponsored)
31 mei 2024 · 1 uur 2 min
Today on Heavy Networking, sponsored by Broadcom, we talk about VMware’s transition under Broadcom’s ownership. The acquisition has led to big changes that rolled out very quickly, including how VMware sells products and services – subscription only licensing, bundles of products, a hard stop on sales of existing licenses, overhaul of license issuance, and more.... Read more » Lees meer
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HN735: Managing OT Networks
24 mei 2024 · 56 min
The variety and number of OT devices continue to grow at such a pace that network engineers really need to think through how to manage them as part of their broader network. Dan Massameno joins the show to talk about how he’s collaborating with his facilities department and using SD-Access to manage the OT virtual... Read more » Lees meer
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HN734: Russ White Hour Part 2: Snowflakes and Network Automation
17 mei 2024 · 49 min
Welcome to the second part of our interview with friend of the podcast, Russ White. We start our conversation with a listener question about VXLAN/EVPN which acts as a springboard for what Russ really thinks about network engineering these days. He defends network snowflakes, championing their power in business use cases. He questions the merit... Read more » Lees meer
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HN733: Russ White Hour: IS-IS vs OSPF and a Deep Dive into Ethernet Adapters
10 mei 2024 · 48 min
We turn the nerd meter up to eleven on today’s episode with longtime friend of the show, Russ White. First we dive into how an Ethernet adapter knows when a link is lost, where Russ teaches us all about loss of carrier and OAM. He also gives us a tutorial on how the rest of... Read more » Lees meer
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HN732: Juniper’s PTX Platforms: 800GE and Double-Density 400GE for DC and WAN (Sponsored)
3 mei 2024 · 39 min
The future has arrived: 800 gig Ethernet is here. Amit Bhardwaj and Dmitry Shokarev from today’s sponsor, Juniper Networks, join the show to tell us all about Juniper’s 800 gig Ethernet and what we need to know as engineers: use cases, transition plans, fiber and power needs (a lot less than you’d think). We also... Read more » Lees meer
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HN731: GraphQL: Open Source Query Language for APIs
26 april 2024 · 35 min
What if instead of sending multiple queries out to APIs and getting disparate data back, you could just send a single query and receive a single answer. That’s exactly what GraphQL does for you. Rick Donato joins the show today to teach us about GraphQL and how it can help us on the path to... Read more » Lees meer
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HN730: Retail, Healthcare, Manufacturing and More Transform Their Branches with Next-Gen SD-WAN and SASE (Sponsored)
19 april 2024 · 48 min
If you haven’t made the leap from traditional wide area networking to SD-WAN, or perhaps you’re thinking about adding security services to your SD-WAN infrastructure, this episode is for you. Rajesh Kari from Palo Alto Networks joins the show to share customer stories from the front lines of multi-branch businesses’ networks. Industry verticals including retail,... Read more » Lees meer
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HN729: Open Source to Closed
12 april 2024 · 48 min
With “The Cathedral and the Bazaar” as his guide, Srivats launched Ostinato, his open source project, in 2010. He needed an affordable network traffic generator at his day job, he was passionate enough to build one during his nights and weekends, and end users loved it– it has been downloaded hundreds of thousands of times.... Read more » Lees meer
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HN728: How Drivenets Leverages Ethernet Fabrics For AI Networking (Sponsored)
5 april 2024 · 48 min
To run AI workloads, a network needs thousands of GPUs and those GPUs must operate in sync. If there is congestion or dropped frames, very expensive efforts could be delayed or disrupted. While there are advantages to using Ethernet for AI networking (including engineers well-trained in the protocol and a robust ecosystem), it wasn’t designed... Read more » Lees meer
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HN727: Kubernetes Networking Essentials
29 maart 2024 · 1 uur 7 min
Where there are containers, there is networking. Today we dig into the networking that underlies Kubernetes, the open source orchestration platform for container-based applications. Our guest Karim El Jamali takes us through the essential concepts: Nodes, pods, clusters, CNIs, virtual ethernet pairs, ingress controller, eBPF, and service meshes. As container-based applications grow in popularity, it’s... Read more » Lees meer
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HN726: From Automation to Orchestration for a FinTech Network (Sponsored)
22 maart 2024 · 48 min
Fiserv is one of the largest payment processors in the world, In 2023 it handled more than 35 billion transactions worth $2.03 trillion US dollars. Its network is critical to the business. The organization knew it needed network automation, but early attempts got some things wrong. On today’s Heavy Networking we talk about how Fiserv... Read more » Lees meer
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HN725: Standing up a DC Network Using Terraform
15 maart 2024 · 48 min
Matt Horn built a data center network through automation, remotely. This is the future of network engineering. Matt shares how his team did it technically: Terraform, a little Ansible, leveraging pipelines, etc. But he also shares the processes and culture that made it happen: Management and peer buy-in, tight enforcement based on user access, and... Read more » Lees meer
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HN724: How Packets Move Through a Network Device
8 maart 2024 · 59 min
Today we metaphorically pop open the hood of switches and routers, taking a look at the mechanics of how they work. We cover the three states: configuration, operational, and forwarding. We talk RIB and FIB, along with CAM, TCAM, and MPLS. We also cover line rate, port-to-port latency, and buffers. Whether it’s been awhile since... Read more » Lees meer
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HN723: ‘It’s like Legos’: Developing a Network Automation Framework
1 maart 2024 · 44 min
Right now, we have the building blocks for network automation, but we don’t have end-to-end designs or complete systems. It’s like having a bunch of Legos but no instructions for how to build your spaceship. Ryan Shaw, David Sinn, and their colleagues in the Network Automation Forum are tackling this problem. Their goal is to... Read more » Lees meer
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HN722: Ivan Pepelnjak’s Netlab Eliminates the Tedious Bits of Labbing
23 februari 2024 · 1 uur
One dark day, Ivan Pepelnjak stopped labbing. He just couldn’t make himself yet again go through assigning addresses, building links, putting devices in place, setting up OSPF, BGP, VXLAN, EVPN, etc. before even being able to start whatever simulation or test he wanted to do. But from that darkness arose netlab. Ivan created netlab to... Read more » Lees meer
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HN721: Goodbye Network Cowboys, Hello Total Network Operations
16 februari 2024 · 54 min
The days of network cowboy heroism are over… or at least they need to be. It’s time for network engineering to grow up and standardize how networks are built. Not only will this make life easier for all of us as we inherit networks when we move from company to company, but it’s the only... Read more » Lees meer
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HN720: What Yale Learned about RADIUS Load Balancing
9 februari 2024 · 45 min
Yale’s efforts to load-balance RADIUS servers is a case study in system design for resiliency. First, there was a lone, redundant PSN. Next, F5s load balancers entered the picture. Then the network team realized a feature in IOS-XE was the answer… and brought Cisco along the learning journey with them. Hear it all from the... Read more » Lees meer
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HN719: Meet SuzieQ, The Network Observability Application
2 februari 2024 · 57 min
Guest Dinesh Dutt introduces his newest creation, SuzieQ. It’s a network observability platform application that has both a free, open source version and an enterprise version. Lightweight, fast, and platform-agnostic, SuzieQ’s use cases include network documentation, troubleshooting, fabric-wide visibility, network refresh and redesign, low/no code validation, audits and compliance, and proactive health checks. Hosts Ethan... Read more » Lees meer
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HN718: Prisma SASE Gets Clever With TCP For Better App And User Experiences (Sponsored)
26 januari 2024 · 49 min
Remote and hybrid work means network engineers have to grapple with lossy residential networks such as home wireless that your work-from-home folks are using to access company resources. Their Wi-Fi sucks, and so their use of corporate resources sucks. Sure, you’ve got them plumbed into a SASE fabric, but that doesn’t fix their user experience... Read more » Lees meer
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HN717: Network Source(s) Of Truth – A Roundtable Discussion
19 januari 2024 · 1 uur 14 min
On today’s episode, we discuss networking sources of truth. That’s right, sources of truth, because you’re likely to have more than one depending on your environment and your point of view. On LinkedIn, Ethan Banks quoted someone at the AutoCon0 conference who essentially said that the network itself shouldn’t be used as a source of... Read more » Lees meer
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HN716: Design-Driven Network Automation And Assurance
12 januari 2024 · 48 min
At AutoCon0 in November 2023, guest Jeremy Schulman delivered a talk from the main stage about delivering network assurance. If the term “network assurance” doesn’t mean anything to you, think about how you prove after an install or a change that the network is doing what it’s supposed to be doing. If you’re doing it... Read more » Lees meer
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HN715: Prescribing The Right Dose Of Automation For A Hospital Network
5 januari 2024 · 46 min
At NewYork-Presbyterian Hospital, patients are the priority. That focus on patient care extends to the hospital’s campus network, data center, wireless network, and SD-WAN. These networks are instrumental for delivering medical applications and connecting medical devices. On today’s Heavy Networking, we talk with network architects and engineers at NewYork-Presbyterian about their use of automation to... Read more » Lees meer
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HN714: Building The Branch Of The Future With SASE Powered By AI (Sponsored)
15 december 2023 · 43 min
SD-WAN is evolving to encompass more features and capabilities around security, application performance, network visibility, and more. On today’s Heavy Networking, sponsored by Palo Alto Networks, we look at how SD-WAN has transformed from a simple network connectivity solution to a comprehensive networking and security system. We discuss the limitations of legacy branch routers and... Read more » Lees meer
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HN713: Network Automation: Where Are We, And Where Can We Go?
8 december 2023 · 55 min
Welcome to Heavy Networking! On today’s show we’ve got a roundtable conversation on the state of automation in the networking industry. This show was inspired by the recent AutoCon conference, which is a new conference focused specifically on network automation. Ethan Banks and I both attended, as did two our guests, and we’re going share... Read more » Lees meer
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HN712: FortiGuard Security Services: Invisible Operations, Tangible Results (Sponsored)
5 december 2023 · 37 min
Today we’re talking security, but security you don’t always see. Fortinet, today’s sponsor, has millions of devices in the field. These are real-world devices seeing real-world traffic, all day, everyday. While those devices have a primary protection role, they can also serve as sensors that collect threat signals and feed threat intelligence services that can,... Read more » Lees meer
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HN711: Get Cloud-Like Operation Of Your Data Center With Juniper Apstra And Terraform (Sponsored)
1 december 2023 · 42 min
Public clouds abstract away much of the nitty-gritty work that goes into provisioning infrastructure, including networking. Application teams can quickly connect resources and deploy applications without having to know much about the plumbing that links everything together. When they compare the public cloud experience to standing up applications in an on-prem data center, the on-prem... Read more » Lees meer
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HN710: The Future Of Networking With Brad Casemore – Part 2
17 november 2023 · 1 uur 12 min
We continue our Future of Networking series with part two of our conversation with Brad Casemore. Now retired, Brad has participated in the industry as both a technologist and IDC analyst. In this episode we look at the rise of zero trust and what it means for campus networking. We discuss how geopolitics influences IT... Read more » Lees meer
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HN709: Protecting Data, Apps With Cloud DLP And CASB (Sponsored)
10 november 2023 · 40 min
Cloud environments often have poor visibility and monitoring, and sensitive corporate data can be placed in many different locations – object stores, databases, and so on. Maintaining access control is hard, and managing compliance and governance on that access and data is a real problem. And each cloud has its own proprietary security tools that... Read more » Lees meer
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HN708: The Future Of Networking With Brad Casemore – Part 1
3 november 2023 · 1 uur 5 min
The Future of Networking series continues with Brad Casemore, who survived multiple decades in the technology sector, including sixteen years as an analyst for IDC. He’s been a longtime observer of networking markets, technologies, and trends. Recently retired from the analyst business, we’ve invited Brad onto the show as a kind of exit interview to... Read more » Lees meer
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HN707: Getting Real With Selector’s AIOps (Sponsored)
27 oktober 2023 · 50 min
AI and machine learning are finally being applied to networking in meaningful ways. On today's sponsored show we talk with Selector about its AIOps platform, which ingests networking logs, flows, configurations, SNMP, and other telemetry to detect patterns, spot problems, and provide contextual insights to help network engineers do their jobs better. We speak with Selector about what it is, how it works, and concrete use cases. Lees meer
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Heavy Networking 706: The GitNops Approach To Collaborative Network Automation
20 oktober 2023 · 1 uur
Today’s Heavy Networking is about collaborative automation via GitNops, which applies DevOps principles to networking. That means things like version control, working with sources of truth, operating infrastructure as code, and collaborating on network on changes and updates. GitNops benefits include automation, repeatability, and scalability. We'll dive into GitNops with guest Tom McGonagle. Lees meer
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Heavy Networking 705: Evolving From Python To Platforms For Network Automation (Sponsored)
13 oktober 2023 · 39 min
Today on Heavy Networking we talk about how to get from a handful of Python scripts to a network automation platform that enables a self-service environment and incorporates the checks and governance required to make sure the automation doesn't blow up the network. Our sponsor today is Itential. Itential offers just such a network automation platform. We talk about how Itential makes it happen, including simple and more complex examples. Lees meer
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Heavy Networking 704: Roundtable Redux: Blaming The Network; Containerlab Love; 400G Envy
6 oktober 2023 · 1 uur 8 min
Today's Heavy Networking is another roundtable episode. We've assembled a group of network engineers to talk about what's on their minds. Topics today include why other IT departments adn end users are quick to blame the network first, and what can be done about it; using Nokia's open-source Containerlab for testing and development work; and why you shouldn't feel left behind when you hear talk about 400G and 800G networks. Lees meer
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Heavy Networking 703: Integrating ZTNA And SASE With Palo Alto Networks (Sponsored)
29 september 2023 · 48 min
Today’s Heavy Networking, sponsored by Palo Alto Networks, discusses Zero Trust Network Access (ZTNA) across the Secure Access Service Edge (SASE). You could think of ZTNA, as VPN evolved and SASE as SD-WAN evolved. Not only do you get an overlay connectivity fabric, but you also get cloud-hosted security services. We talk about how it all works together, the role of client software, Palo Alto Networks' architecture, integrating an IDP, and more. Lees meer
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Heavy Networking 702: Supporting Network Automation With The Pandas Python Library
22 september 2023 · 30 min
Today's Heavy Networking covers Pandas. Not the cuddly bears that eat bamboo, but the Python library that makes it easy for you to work with a set of data. Import Pandas at the top of your Python script, follow one of many Pandas tutorials online, and in short order you’ll be able to perform data operations in a spreadsheet-like way. We talk network automation use cases for Pandas with Rick Donato. Lees meer
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Heavy Networking 701: Monitoring SD-WAN At Scale With Broadcom (Sponsored)
15 september 2023 · 44 min
Our topic today on Heavy Networking is SD-WAN monitoring at massive scale. Scale can grow quickly with SD-WAN when you account for the underlay, overlays, gateways, endpoints, and more. We talk with sponsor Broadcom about their monitoring platform and dig into a case study with a Broadcom customer providing global IT infrastructure for thousands of their own customers. Lees meer
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Heavy Networking 700: Rethinking Networking and Security For The Campus And Branch With Fortinet (Sponsored)
12 september 2023 · 49 min
On today's sponsored Heavy Networking we talk with Fortinet about how it converges network and security across the breadth of its portfolio. Fortinet is best known for its firewalls, but the company also offers campus and branch switches, has a wireless portfolio, offers SD-WAN and SASE, provides AI-supported operations, and more. We also talk about Fortinet's approach to the branch office that rethinks networking, security, and performance. Lees meer
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Heavy Networking 699: Connecting Multicloud Kubernetes Clusters With Virtual Application Networks
8 september 2023 · 1 uur 8 min
Virtual Application Networks, or VANs, are today’s Heavy Networking topic. Our guest is Ted Ross, motive force behind the Skupper.io project. Skupper builds VANs in Kubernetes clusters that are conceptually like a VLAN or VPN, except that all the magic happens at layer 7. Skupper is based on the Advanced Message Queueing Protocol (AMQP), making it effectively a message bus used to interconnect application messages inside of mTLS tunnels running on top of whatever L3 network is available. If you're confused, don't be. We talk it all out, and explain why it's relevant to today's networking pros. Lees meer
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Heavy Networking 697: Getting Operational Visibility Into The Networks That Matter (Sponsored)
1 september 2023 · 45 min
In today's sponsored Heavy Networking we explore new features in Cisco Thousand Eyes, an operational tool based on visibility and observability of public and private network. Thousand Eyes has continued to grow into complex operational areas such AWS Network Path, Webex performance, and integrations with Meraki to help you identify and fix network and application performance problems. Lees meer