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CNCF-hosted Co-located Events Europe 2025 taking place on 1 April. This event is happening in person at Excel London in London, England.

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Venue: Level 3 | ICC Capital Suite 14-16 clear filter
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Tuesday, April 1
 

09:00 BST

OpenTofu | Welcome + Opening Remarks
Tuesday April 1, 2025 09:00 - 09:05 BST
Tuesday April 1, 2025 09:00 - 09:05 BST
Level 3 | ICC Capital Suite 14-16
  OpenTofu Day

09:15 BST

Breaking Down the TofuLith. How We Reduced Lead Times for Multi-Tenant Infra Changes by 90% - Mike Hodgins, FundApps
Tuesday April 1, 2025 09:15 - 09:40 BST
Previously, the biggest constraint in our engineering department was the time it took to make infrastructure changes. In this talk I'll describe the changes we made to both our codebase, and our ways of working to remove that constraint entirely, enabling us to optimise flow across our entire engineering department, and increasing the number of active contributors to our codebase five-fold.

We'll cover how to break apart large codebases to reduce plan and apply time, how to design patterns that are easy to repeat and share, and what we did to handle shared concerns across service boundaries. We'll talk about providers in the hundreds, and workspaces in the thousands.

We'll also briefly touch on how we used this pattern to enable more engineers to work on infra code quickly, and how we enable them to do so safely, and finish up with a few points about what we'd have done differently, and sharing some metrics to illustrate the impact this had.
Speakers
avatar for Mike Hodgkins

Mike Hodgkins

Staff Engineer, Infrastructure Engineer turned developer, FundApps
Mike (he/him) is the Platform Team lead and Staff Engineer at FundApps, where he’s responsible for automating things for product teams so they can quickly and safely automate things for FundApps users.Having arrived at platform engineering via the sysadmin track, Mike’s most fluent... Read More →
Tuesday April 1, 2025 09:15 - 09:40 BST
Level 3 | ICC Capital Suite 14-16
  OpenTofu Day, Community Insights

09:45 BST

Ask the Devs! - Christian Mesh, OpenTofu/SpaceLift; Arel Rabinowitz, env0; James Humphries, Spacelift
Tuesday April 1, 2025 09:45 - 10:10 BST
The core developers in attendance will introduce themselves and briefly talk about their experience working on OpenTofu. We will then open the floor for questions related to all aspects of OpenTofu development.
Speakers
avatar for Arel Rabinowitz

Arel Rabinowitz

Principal Engineer, env0
Has been part of the industry for more than a decade, and has taken part in many different engineering roles.Currently working as a Principal Engineer in env0, and as a core team member of OpenTofu. 
avatar for James Humphries

James Humphries

Spacelift Engineering Team Lead | OpenTofu Core Engineer, Spacelift
As a Software Engineer at Spacelift and a Core Contributor for OpenTofu, I specialize in integrating infrastructure as code tools and improving people's workflows. With expertise across a wide assortment of tools, I've played a pivotal role in forking OpenTofu and developing its registry.I... Read More →
avatar for Christian Mesh

Christian Mesh

OpenTofu Tech Lead, OpenTofu/Spacelift
With over a year of OpenTofu development under his belt, Christian is a Core Engineer and Tech Lead of OpenTofu. He is generously sponsored by SpaceLift.
Tuesday April 1, 2025 09:45 - 10:10 BST
Level 3 | ICC Capital Suite 14-16
  OpenTofu Day, OpenTofu Internals

10:15 BST

Sponsored Keynote: From Fork to Future: OpenTofu’s Role in Shaping Community-Driven IaC - Christian Mesh, OpenTofu/Spacelift
Tuesday April 1, 2025 10:15 - 10:20 BST
OpenTofu is just over a year old, and registry requests have already reached more than 6 million per day. That kind of phenomenal growth would be impossible without the foundation of community governance and impartiality that underpins OpenTofu.

In this keynote, OpenTofu Technical Lead Christian Mesh celebrates the role these principles have played in fueling OpenTofu’s innovation and rapid adoption. He’ll set the stage for a day of technical discussions led by community users and experts and share insights into OpenTofu’s future.
 
Speakers
avatar for Christian Mesh

Christian Mesh

OpenTofu Tech Lead, OpenTofu/Spacelift
With over a year of OpenTofu development under his belt, Christian is a Core Engineer and Tech Lead of OpenTofu. He is generously sponsored by SpaceLift.
Tuesday April 1, 2025 10:15 - 10:20 BST
Level 3 | ICC Capital Suite 14-16
  OpenTofu Day

10:40 BST

⚡ Lightning Talk: Seamless at Scale: Enterprise Migration to OpenTofu Without Missing a Beat - David Jackson, Fidelity Investments
Tuesday April 1, 2025 10:40 - 10:50 BST
It can be easy to hit the right notes when migrating a Terraform project to OpenTofu. The vast majority of Terraform projects require little to no code changes whatsoever to switch to using the Tofu CLI. But how does an enterprise achieve perfect harmony with Tofu at scale?

Fidelity already had tens of thousands of existing Terraform projects when we made the decision to migrate to OpenTofu. This migration needed to be done at a high tempo, without disrupting the rhythm of engineering teams.

Find out how at Fidelity we have orchestrated a fast, seamless path to OpenTofu at scale. Take away some lessons learned that you can watch out for as you conduct your own migrations - all without missing a beat.
Speakers
avatar for David Jackson

David Jackson

Vice President, Cloud Automation and Tooling, Fidelity Investments
I lead the Cloud Automation and Tooling space (focusing on IaC) at Fidelity Investments. I work in a variety of technologies, specialising in building serverless solutions on AWS using OpenTofu & Terraform. I have about 25 years’ experience working in the areas of architecture... Read More →
Tuesday April 1, 2025 10:40 - 10:50 BST
Level 3 | ICC Capital Suite 14-16
  OpenTofu Day

11:00 BST

Enabling Developer Autonomy through IaC and Policy-as-Code: A Case Study at TV4 Play - David Stevens, TV4 Media AB
Tuesday April 1, 2025 11:00 - 11:25 BST
In the complex world of modern cloud infrastructure, how does a small platform team enable 60+ developers to manage infrastructure safely and autonomously?

This talk describes the comprehensive approach to platform engineering used at Sweden's largest commercial video streaming service (TV4 Play) that uses OpenTofu through CDKTF, policy-as-code, strategic tooling, and an obsession over the developer experience to implement self-service infrastructure while maintaining rigorous security and compliance standards.
Speakers
avatar for David Stevens

David Stevens

DevOps Cloud Engineer, TV4 Media AB
David is a DevOps Cloud Engineer at TV4 Media AB, where he spearheads the platform engineering work for TV4 Play, Sweden's largest commercial video streaming service. He has a background in software engineering and has worked in various roles in the tech industry, including as a software... Read More →
Tuesday April 1, 2025 11:00 - 11:25 BST
Level 3 | ICC Capital Suite 14-16
  OpenTofu Day, Community Insights

11:30 BST

⚡ Lightning Talk: Locals Only: Patterns and Anti-Patterns in OpenTofu Local Variables - Robbie Glenn, Glennium
Tuesday April 1, 2025 11:30 - 11:40 BST
Code hygiene is important. One or two "code smells" that appear in the course of solving a problem is expected, but if they are not addressed as part of a followup step, the smells can build up and invite all sorts of unexpected activity.
One major code smell is the overuse or misuse of local variables in OpenTofu projects. Oftentimes, these are both difficult to interpret on their own and used in composition with other local variables, compounding obscurity.
In this lightning talk, we will present a series of common scenarios describing the use of local variables. We will review examples both that are appropriate and those that are dizzyingly dense to disentangle, including alternative approaches or ways to mitigate obfuscation, as well as how these phenomena arise.
Speakers
avatar for Robbie Glenn

Robbie Glenn

CEO, Glennium
Robbie Glenn is an enterprising entrepreneur and thought leader.He has a focus on automated infrastructure as code (IaC), DevOps, and container orchestration. Previously, he has developed solution accelerators that have been used for multiple client deliveries, and provided guidance... Read More →
Tuesday April 1, 2025 11:30 - 11:40 BST
Level 3 | ICC Capital Suite 14-16
  OpenTofu Day, Community Insights

11:45 BST

Don't Stop at the Cloud - Connecting all the Dots with Infrastructure-as-Code - Anuraag Agrawal, CurioSwitch
Tuesday April 1, 2025 11:45 - 12:10 BST
Infrastructure-as-Code (IAC) has become best practice for managing infrastructure. However, it commonly stops at cloud infrastructure despite supporting so much more.

We will dive into examples of going beyond just the cloud with OpenTofu. A reusable module can create two GitHub repos for app and infra code, two GCP projects for dev/prod with corresponding GitHub environments and the IAM pools and permissions to allow deployment from a main branch's CI to dev and release branch to prod, with approval. All permissions are kept to a minimum to allow security without losing developer velocity. We know the infra needs of the frameworks used by apps and set it up by default, so developers can focus on logic and have tools to debug when they need to. A startup can have all of this with a single "apply".

By the end of the talk, you will know how to take advantage of IAC flexibility to speed up development, and with all the examples being OSS, will also have ready-made tools to start with.
Speakers
avatar for Anuraag Agrawal

Anuraag Agrawal

Software Engineer, CurioSwitch
Anuraag works on WebAssembly to solve real problems rather than tech demos, using it to allow extension of various aspects of a service mesh. Currently his main focus is on using WebAssembly to solve real-world problems, not tech demos. Anuraag is an OSS enthusiast and has also been... Read More →
Tuesday April 1, 2025 11:45 - 12:10 BST
Level 3 | ICC Capital Suite 14-16
  OpenTofu Day, Upgrades and Usage

12:15 BST

⚡ Lightning Talk: Breaking New Ground with OpenTofu Exclusive Features - Ronny Orot, env0
Tuesday April 1, 2025 12:15 - 12:25 BST
The OpenTofu community continues to roll out features that elevate the IaC experience beyond expectations. This talk dives into the unique and much-awaited capabilities exclusive to OpenTofu, designed to address real-world challenges and enhance flexibility, security, and efficiency in IaC workflows.

Discover how State Encryption ensures sensitive data is protected natively, without the need for external solutions. Explore the game-changing Static Evaluation, enabling unparalleled flexibility by decoupling backend configurations from runtime execution. Learn how the Exclude directive simplifies resource management by letting you ignore specific resources during deployment. Dive into Per-Provider Configuration, a feature that allows you to customize behaviors for each provider in your stack, ensuring optimal performance.
Join us to get these features in action, and to get a sneak peek at an upcoming addition designed to further cement OpenTofu’s position as a leader in the IaC space.
Speakers
avatar for Ronny Orot

Ronny Orot

Senior Software Engineer, OpenTofu Maintainer, env0
Ronny Orot is a Senior Software Engineer at env0 and an OpenTofu core developer team member. She has created various TACOS solutions for different companies over the past four years and is passionate about DevOps and IaC.
Tuesday April 1, 2025 12:15 - 12:25 BST
Level 3 | ICC Capital Suite 14-16
  OpenTofu Day, OpenTofu Internals

12:25 BST

OpenTofu Day | Closing Remarks
Tuesday April 1, 2025 12:25 - 12:30 BST
Tuesday April 1, 2025 12:25 - 12:30 BST
Level 3 | ICC Capital Suite 14-16
  OpenTofu Day

13:25 BST

Linkerd Day | Welcome + Opening Remarks - Flynn, Program Chair
Tuesday April 1, 2025 13:25 - 13:30 BST
Speakers
avatar for Flynn

Flynn

Tech Evangelist, Buoyant
Flynn is a technical evangelist at Buoyant, educating developers about Linkerd, Kubernetes, and cloud-native development in general. He has spent 40+ years in software, with a common thread of communications and security throughout, and is a coauthor of Linkerd: Up and Running from... Read More →
Tuesday April 1, 2025 13:25 - 13:30 BST
Level 3 | ICC Capital Suite 14-16
  Linkerd Day

13:35 BST

Scaling Progressive Delivery at EarnIn: Leveraging Linkerd for Advanced Deployments With Gateway API - Kush Trivedi & Joe Brinkman, EarnIn
Tuesday April 1, 2025 13:35 - 14:00 BST
At Earnin, we transformed our deployment processes by migrating nearly 600 microservices to Argo CD. The cornerstone of this transformation was our adoption of Linkerd as our service mesh, which helped enabled us to implement Progressive Canary and Blue/Green rollouts within our infrastructure.

In this talk, We'll share how Linkerd became the catalyst for our advanced deployment strategies. We'll deep dive into how we utilized Linkerd's seamless integration with the Gateway API to achieve traffic shifting and mirroring, to help us integrate with Argo Rollouts in GitOps way. Core to our success was developing a platform tool that empowers developers to easily configure their own canary deployment parameters.
Speakers
avatar for Kush Trivedi

Kush Trivedi

Platform @EarnIn, EarnIn
Kush is a seasoned Senior Platform Engineer with over six years of experience in cloud-native technologies and DevOps. He has made significant contributions to the Kubernetes and Istio communities, serving as a maintainer for three CNCF projects. At EarnIn, he leads platform engineering... Read More →
avatar for Joe Brinkman

Joe Brinkman

Senior Engineering Manager, Platform, EarnIn
Joe Brinkman is an engineering leader specializing in platform services and cloud infrastructure. With extensive experience in cloud-native technologies, Joe has been instrumental in driving the adoption and implementation of cutting-edge solutions at EarnIn.
Tuesday April 1, 2025 13:35 - 14:00 BST
Level 3 | ICC Capital Suite 14-16
  Linkerd Day, Delivering concrete business value

14:10 BST

Choosing a Service Mesh - Alex McMenemy & Dimple Thoomkuzhy, Compare the Market
Tuesday April 1, 2025 14:10 - 14:35 BST
Choosing a service mesh can be a daunting task. While the modern meshes aren't interchangeable, they do generally offer the same broad table-stakes features to add security, reliability, and observability to applications. There are very important differences, though! and it can be very tricky indeed to work out a sane way to evaluate multiple meshes to make this critical decision.

Compare the Market had to tackle this issue recently, deciding between Linkerd, Istio, Kuma Mesh, and App Mesh. In this session, you'll join the engineers responsible for recommending a mesh to learn how they went about making their decision, starting with their primary use case of mTLS and metrics, continuing into performance and time to production, finishing with how they viewed support and maintenance costs and how they balanced wants and needs when making their decision (Linkerd, of course!).
Speakers
DT

Dimple Thoomkuzhy

Engineering Manager, Compare the Market
avatar for Alexander McMenemy

Alexander McMenemy

Staff Engineer, Compare the Market
A former IT operations and data centre network engineer turned cloud-native enthusiast, now championing DevOps practices and crafting scalable platforms as a staff engineer at Compare the Market. Equal parts collaborator, innovator, hyrox athlete wannabe and occasional skier.
Tuesday April 1, 2025 14:10 - 14:35 BST
Level 3 | ICC Capital Suite 14-16
  Linkerd Day, Delivering concrete business value

14:50 BST

⚡ Lightning Talk: Meshin’ With WebAssembly: Taking Linkerd Beyond Containers - Joonas Bergius, Cosmonic
Tuesday April 1, 2025 14:50 - 15:00 BST
Much in the same way that Service Meshes have (as originally pioneered by Linkerd) accomplished for seamlessly connecting, observing and securing service-to-service communication between applications deployed in containers, WebAssembly on the server side is looking to revolutionize the way we think about and enable application development and delivery of the future.

This session explores our efforts to bring together the two cutting edge CNCF projects, Linkerd and wasmCloud, to enable end-users to expand their mesh to service an entirely new class of workload in the form of WebAssembly without having to leave their existing investments in tooling behind.

Based on the content, you will leave this talk with the understanding of how you can extend your Linkerd deployments to support WebAssembly workloads in order to leverage the emerging paradigm on the server-side without compromising on security or observability.
Speakers
avatar for Joonas Bergius

Joonas Bergius

Senior Software Engineer, Cosmonic
Joonas Bergius is a veteran of the Cloud Native community, having been part of the Kubernetes ecosystem as a contributor and end-user since the early days (circa 2015) of Kubernetes.
Tuesday April 1, 2025 14:50 - 15:00 BST
Level 3 | ICC Capital Suite 14-16
  Linkerd Day, Linkerd in practice

15:20 BST

The Future of Linkerd: 2.18 and Beyond - Oliver Gould, Buoyant
Tuesday April 1, 2025 15:20 - 15:45 BST
What does the future hold for Linkerd, the world’s lightest, fastest, and simplest service mesh? Come find out in this session with Linkerd’s creator Oliver Gould! Linkerd is moving faster now than ever before, and though we are absolutely holding true to Linkerd’s guiding principles of simplicity, security, and speed, there are a lot of exciting things on the roadmap to discuss

Learn how upcoming innovations in Linkerd will help teams streamline Kubernetes workflows, achieve unparalleled reliability, and embrace simplicity without compromise. From refinements and bugfixes to major new features, this talk will provide a sneak peek into what Linkerd is building to help ease your cloud-native journey in 2025 and beyond. Don't miss this chance to hear directly from Linkerd's creator and engage in the conversation about what’s next for the service mesh that started it all.
Speakers
avatar for Oliver Gould

Oliver Gould

Linkerd Creator, Buoyant
Oliver is the creator of Linkerd.
Tuesday April 1, 2025 15:20 - 15:45 BST
Level 3 | ICC Capital Suite 14-16
  Linkerd Day, Delivering concrete business value

15:55 BST

Abstracting Multi-Cluster Topologies With CAPI and Linkerd for Internal Developer Platforms - William Rizzo, Mirantis
Tuesday April 1, 2025 15:55 - 16:20 BST
As organizations scale their Kubernetes adoption, multi-cluster architectures are becoming the backbone of resilience, scalability, and compliance. However, building a unified developer experience across these clusters while abstracting operational complexities is a significant challenge.
In this session we’ll demonstrate how Cluster-API (CAPI), a declarative tool for Kubernetes lifecycle management and Linkerd, the powerful yet lightweight service mesh, can work together to simplify multi-cluster topologies for Internal Developer Platforms (IDP). By combining CAPI's robust cluster management with Linkerd’s seamless cross-cluster service communication, platform teams can deliver a streamlined and intuitive experience for developers, enabling them to focus on building and deploying applications without worrying about underlying infrastructure.
Speakers
avatar for William Rizzo

William Rizzo

Consulting Architect, Mirantis
William is a CNCF Ambassador and currently working at Mirantis as a Consulting Architect. Focused in helping customers designing and building, and running their Internal Developer Platforms. He wore many hats, in Engineering, Pre-Post sales, Product Owner and Consulting. from HPC... Read More →
Tuesday April 1, 2025 15:55 - 16:20 BST
Level 3 | ICC Capital Suite 14-16

16:30 BST

Federated Services: Straightforward Multicluster - Alex Leong, Buoyant
Tuesday April 1, 2025 16:30 - 16:55 BST
Multicluster Kubernetes is becoming more and more common. Unfortunately, while it brings fascinating new opportunities to the table, fairly simple things like resilience and progressive delivery often become dramatically more complex when they need to span multiple clusters.
Federated services are a new Linkerd feature aimed at providing operational simplicity for multicluster. A federated service appears exactly the same from anywhere in your multicluster setup, while being able to reach everywhere in your multicluster setup, and Linkerd pushes the work of making that happen deep into the mesh so that the users of the mesh needn’t think about it: traffic will stay local where it can, route seamlessly across clusters where it can’t, and routing primitives just work as you expect. Join us for a deep dive into what federated services are, how they work, and how to use them, and a live demo of what they can do!
Speakers
avatar for Alex Leong

Alex Leong

Software Engineer, Buoyant
Alex is a software engineer at Buoyant and core maintainer of Linkerd, the open source service mesh for cloud native applications. Prior to Buoyant, she worked at Twitter on core API infrastructure. She enjoys roller derby, woodworking, and type safety.
Tuesday April 1, 2025 16:30 - 16:55 BST
Level 3 | ICC Capital Suite 14-16
  Linkerd Day, Ultra-high-reliability systems

17:00 BST

⚡ Lightning Talk: Upgrading Linkerd With Flux - Stuart Golightly & Haydn Stokes, Compare the Market
Tuesday April 1, 2025 17:00 - 17:10 BST
Flux is a great GitOps tool, and like any great GitOps tool, it can handle in-place upgrades without breaking a sweat – but things can be different when across breaking changes, and especially when jumping by two major versions at once! That's the situation that Compare the Market faced in 2024: going from Linkerd 2.14.10 to Linkerd 2.16.0 in a single step using Flux... all while keeping secrets out of Git.

In this session, you'll get a good look behind the curtain at what the upgrade involved, what went well, and what caused some pain. You'll hear about where the documentation fell short, where the gotchas were lurking, and why it took 13 experiments with ephemeral clusters to get to the point that the platform engineers were able to pull the trigger one evening, and have a quiet morning at work the next day!
Speakers
avatar for Stuart Golightly

Stuart Golightly

Platform Engineer, Compare the Market
40 years of experience, from ZX Spectrums and the BBC micro, detouring via the joys of disk drives the size of washing machines and on-prem racked and stacked servers, all the way to Kubernetes and the Cloud. And my terminal is still green on black.
avatar for Haydn Stokes

Haydn Stokes

Cloud Platform Engineer, Compare the Market
Haydn is a cloud platform engineer at Compare the Market, specialising in Kubernetes and service mesh technologies. With experience in implementing and upgrading Linkerd in production environments, Haydn has worked on optimising observability, enhancing security, and streamlining... Read More →
Tuesday April 1, 2025 17:00 - 17:10 BST
Level 3 | ICC Capital Suite 14-16
  Linkerd Day, Linkerd in practice

17:15 BST

Benchmarking Journey Through Service Meshes - Dominik Táskai, adesso Hungary
Tuesday April 1, 2025 17:15 - 17:25 BST
Service meshes have become an essential part of cloud-native infrastructures around the world, managing secure, reliable communication between services serving healthcare systems, financial data, real-time analytics platforms, and global e-commerce applications. But not all service meshes are created equal and as service meshes promise low latency, minimal overhead, and robust reliability, are these claims always true to their word?

Benchmarking service meshes like Linkerd, Istio, and others can reveal key differences between them due to the impact of technological and design choices. But creating fair, reproducible benchmarks requires careful setup and a deep understanding of both the workloads and the mesh technologies themselves.

Join Dominik for a deep dive into the art and science of benchmarking service meshes. We’ll uncover insights into what makes a service mesh fast, lightweight, and production-ready and whether the promises that each make really hold up.
Speakers
avatar for Dominik Táskai

Dominik Táskai

DevOps Engineer, adesso Hungary
DevOps Engineer/Solutions Architect with a focus on driving impactful solutions in cloud environments. Specializing in data solutions development using AWS services. Currently contributing expertise to enhance efficiency and scalability.Also an OSS enthusiast, committed to contributing... Read More →
Tuesday April 1, 2025 17:15 - 17:25 BST
Level 3 | ICC Capital Suite 14-16
  Linkerd Day, Linkerd in practice

17:25 BST

Linkerd Day | Closing Remarks - William Morgan, Linkerd Community Member
Tuesday April 1, 2025 17:25 - 17:30 BST
Speakers
avatar for William Morgan

William Morgan

CEO, Buoyant
William is the co-founder and CEO of Buoyant, the creator of the open source service mesh project Linkerd. Prior to Buoyant, he was an infrastructure engineer at Twitter, where he helped move Twitter from a failing monolithic Ruby on Rails app to a highly distributed, fault-tolerant... Read More →
Tuesday April 1, 2025 17:25 - 17:30 BST
Level 3 | ICC Capital Suite 14-16
  Linkerd Day
 

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