{"id":23874,"date":"2025-04-14T18:06:15","date_gmt":"2025-04-14T16:06:15","guid":{"rendered":"https:\/\/whiteduck.de\/?p=23874"},"modified":"2026-02-28T12:38:51","modified_gmt":"2026-02-28T11:38:51","slug":"london-calling-a-cloud-native-retrospective","status":"publish","type":"post","link":"https:\/\/whiteduck.de\/en\/london-calling-a-cloud-native-retrospective\/","title":{"rendered":"London calling &#8211; a KubeCon Retrospective"},"content":{"rendered":"<p><div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><\/div><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:calc( 1170px + 0px );margin-left: calc(-0px \/ 2 );margin-right: calc(-0px \/ 2 );\"><\/div><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-one-full fusion-column-first fusion-column-last\" style=\"--awb-bg-size:cover;width:100%;\"><div class=\"fusion-column-wrapper fusion-flex-column-wrapper-legacy\"><div class=\"fusion-clearfix\"><\/div><\/div><\/div><div class=\"fusion-title title fusion-title-1 fusion-sep-none fusion-title-text fusion-title-size-one\" style=\"--awb-margin-top-small:0px;--awb-margin-right-small:0px;--awb-margin-bottom-small:20px;--awb-margin-left-small:0px;\"><h1 class=\"fusion-title-heading title-heading-left fusion-responsive-typography-calculated\" style=\"margin:0;--fontSize:32;line-height:1.31;\"><\/p>\n<p>London calling &#8211; a KubeCon retrospective<\/p>\n<p><\/h1><\/div><div class=\"fusion-text fusion-text-1\"><\/div><\/p>\n\n\n<p class=\"wp-block-paragraph\">This year, we were pleased to send our colleagues <a href=\"https:\/\/www.linkedin.com\/in\/nicomeisenzahl\/\" target=\"_blank\" rel=\"noreferrer noopener\">Nico Meisenzahl<\/a>, <a href=\"https:\/\/www.linkedin.com\/in\/philipwelz\/\" target=\"_blank\" rel=\"noreferrer noopener\">Philip Welz<\/a>, and first-time attendee <a href=\"https:\/\/www.linkedin.com\/in\/stephan-huettner\/\" target=\"_blank\" rel=\"noreferrer noopener\">Stephan H\u00fcttner<\/a> to <a href=\"https:\/\/events.linuxfoundation.org\/kubecon-cloudnativecon-europe\/\" target=\"_blank\" rel=\"noreferrer noopener\">KubeCon + CloudNativeCon<\/a> Europe 2025 in London. The event was an incredible experience where we connected with fascinating individuals and gained valuable insights into the latest trends in the cloud-native ecosystem. Here are some of the highlights of the whole KubeCon week.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-3 is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"640\" height=\"480\" data-id=\"23904\" src=\"https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4827.jpeg\" data-orig-src=\"https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4827.jpeg\" alt=\"\" class=\"lazyload wp-image-23904\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27640%27%20height%3D%27480%27%20viewBox%3D%270%200%20640%20480%27%3E%3Crect%20width%3D%27640%27%20height%3D%27480%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4827-200x150.jpeg 200w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4827-300x225.jpeg 300w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4827-400x300.jpeg 400w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4827-600x450.jpeg 600w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4827.jpeg 640w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"640\" height=\"480\" data-id=\"23901\" src=\"https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4835.jpeg\" data-orig-src=\"https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4835.jpeg\" alt=\"\" class=\"lazyload wp-image-23901\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27640%27%20height%3D%27480%27%20viewBox%3D%270%200%20640%20480%27%3E%3Crect%20width%3D%27640%27%20height%3D%27480%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4835-200x150.jpeg 200w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4835-300x225.jpeg 300w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4835-400x300.jpeg 400w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4835-600x450.jpeg 600w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4835.jpeg 640w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"480\" height=\"640\" data-id=\"23903\" src=\"https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4851.jpeg\" data-orig-src=\"https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4851.jpeg\" alt=\"\" class=\"lazyload wp-image-23903\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27480%27%20height%3D%27640%27%20viewBox%3D%270%200%20480%20640%27%3E%3Crect%20width%3D%27480%27%20height%3D%27640%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4851-200x267.jpeg 200w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4851-225x300.jpeg 225w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4851-400x533.jpeg 400w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4851.jpeg 480w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 480px) 100vw, 480px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"640\" height=\"480\" data-id=\"23907\" src=\"https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4818.jpeg\" data-orig-src=\"https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4818.jpeg\" alt=\"\" class=\"lazyload wp-image-23907\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27640%27%20height%3D%27480%27%20viewBox%3D%270%200%20640%20480%27%3E%3Crect%20width%3D%27640%27%20height%3D%27480%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4818-200x150.jpeg 200w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4818-300x225.jpeg 300w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4818-400x300.jpeg 400w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4818-600x450.jpeg 600w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4818.jpeg 640w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"640\" height=\"480\" data-id=\"23902\" src=\"https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4875.jpeg\" data-orig-src=\"https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4875.jpeg\" alt=\"\" class=\"lazyload wp-image-23902\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27640%27%20height%3D%27480%27%20viewBox%3D%270%200%20640%20480%27%3E%3Crect%20width%3D%27640%27%20height%3D%27480%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4875-200x150.jpeg 200w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4875-300x225.jpeg 300w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4875-400x300.jpeg 400w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4875-600x450.jpeg 600w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4875.jpeg 640w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"640\" height=\"480\" data-id=\"23899\" src=\"https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4880.jpeg\" data-orig-src=\"https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4880.jpeg\" alt=\"\" class=\"lazyload wp-image-23899\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27640%27%20height%3D%27480%27%20viewBox%3D%270%200%20640%20480%27%3E%3Crect%20width%3D%27640%27%20height%3D%27480%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4880-200x150.jpeg 200w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4880-300x225.jpeg 300w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4880-400x300.jpeg 400w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4880-600x450.jpeg 600w, https:\/\/whiteduck.de\/wp-content\/uploads\/IMG_4880.jpeg 640w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/figure>\n<figcaption class=\"blocks-gallery-caption wp-element-caption\">Our KubeCon week in London<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Cloud Native Rejekts<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/cloud-native.rejekts.io\/\" target=\"_blank\" rel=\"noreferrer noopener\">Cloud Native Rejekts<\/a> always feels like a class reunion, bringing together familiar faces and new connections from the cloud-native community. Organized primarily by Microsoft Azure, this unique event offers a second chance to speakers whose proposals didn\u2019t make it to KubeCon + CloudNativeCon. With its open and welcoming atmosphere, it\u2019s the perfect setting to meet new people, exchange ideas, and stay updated on the latest trends in the cloud-native ecosystem. One of our favorite aspects of the event is the 5-minute lightning talks &#8211; short, impactful sessions that ignite curiosity and inspire excitement about fresh ideas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Azure Day with Kubernetes<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Azure Day with Kubernetes provided an excellent opportunity to dive into the latest advancements in Azure Kubernetes Service (AKS) and engage directly with members of the AKS product teams through interactive roundtable discussions. The Microsoft teams shared valuable insights into the future of AKS, and the networking product group truly impressed us with their outstanding work on new features and improvements. Here are some of the highlights we\u2019d like to share:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/learn.microsoft.com\/troubleshoot\/azure\/azure-kubernetes\/availability-performance\/container-image-pull-performance#serialized-and-parallel-image-pulls\" target=\"_blank\" rel=\"noreferrer noopener\">Parallel image pulls with AKS 1.31 &#8211; reducing image pull time by up to 60% (GA)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/learn.microsoft.com\/azure\/aks\/azure-cni-overlay?tabs=kubectl#dual-stack-networking-with-azure-cni-powered-by-cilium\" target=\"_blank\" rel=\"noreferrer noopener\">Azure CNI overlay now supports dual-stack networking with Azure CNI powered by Cilium (GA)<\/a><\/li>\n\n\n\n<li>AKS now supports Cilium endpoint slices, improving scalability and efficiency of network endpoint management (GA)<\/li>\n\n\n\n<li>AKS now supports the Cilium data plane with Azure CNI Node Subnet (GA)<\/li>\n\n\n\n<li><a href=\"https:\/\/learn.microsoft.com\/azure\/aks\/concepts-network-isolated\" target=\"_blank\" rel=\"noreferrer noopener\">AKS network isolated cluster &#8211; restrict outbound access without the hassle of managing a firewall (GA)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/learn.microsoft.com\/azure\/aks\/aks-communication-manager\" target=\"_blank\" rel=\"noreferrer noopener\">AKS communication manager &#8211; simplifies maintenance notifications and monitoring for AKS upgrades, providing timely alerts, failure reasons, and streamlined observability. (GA)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/learn.microsoft.com\/azure\/azure-linux\/intro-azure-linux\">Azure Linux 3.0 &#8211; Azures container optimized OS with improved performance and security (GA)<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/learn.microsoft.com\/azure\/kubernetes-fleet\/update-orchestration?tabs=azure-portal\" target=\"_blank\" rel=\"noreferrer noopener\">Azure Kubernetes Fleet Manager &#8211; support for multi-cluster auto upgrade (GA)<\/a><\/li>\n\n\n\n<li>Azure Advisor now offers AKS cost recommendations &#8211; easily identify cost-saving opportunities (GA)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Here is a list of the new features that are currently in preview:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Agentless runtime VA &#8211; scan containers running in AKS for CVEs with the agentless runtime VA<\/li>\n\n\n\n<li>Security Guardrails &#8211; gate your deployments based on vulnerabilities<\/li>\n\n\n\n<li>eBPF-based host routing &#8211; increased pod throughput by 25%<\/li>\n\n\n\n<li><a href=\"https:\/\/learn.microsoft.com\/azure\/application-gateway\/for-containers\/container-networking#cni-overlay-and-application-gateway-for-containers\" target=\"_blank\" rel=\"noreferrer noopener\">Overlay support for the Application gateway for containers<\/a><\/li>\n\n\n\n<li>Container Insight multi-tenant logging &#8211; segment logging per team or namespace<\/li>\n\n\n\n<li>Layer 7 (L7) network policies in Advanced Container Networking Services + Cilium clusters<\/li>\n\n\n\n<li>Cilium supported WireGuard &#8211; a new feature that allows you to use WireGuard for encryption between nodes in an AKS cluster<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">One of the most notable highlights was the unexpected announcement of <a href=\"https:\/\/techcommunity.microsoft.com\/blog\/azurearcblog\/announcing-private-preview-argocd-through-microsoft-gitops\/4399747\" target=\"_blank\" rel=\"noreferrer noopener\">Microsoft GitOps ArgoCD<\/a>. The managed ArgoCD AKS extension, a highly anticipated feature, perfectly aligns with Microsoft&#8217;s GitOps strategy for AKS. You can sign up <a href=\"https:\/\/forms.office.com\/pages\/responsepage.aspx?id=v4j5cvGGr0GRqy180BHbR0A7DFQDfZVLvYBI_OQCt7tUQzVNMkMyMUNBN0pWMkFROEcySVQ1STNCSS4u&amp;route=shorturl\" target=\"_blank\" rel=\"noreferrer noopener\">here<\/a> for the private preview.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">KubeCon + CloudNativeCon Europe 2025<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Last year, KubeCon EU made waves as the largest event in its history. This year, it shattered its own record, becoming the biggest KubeCon EU ever! With over 12,500 attendees from across the globe, the event highlighted the surging popularity and widespread adoption of CNCF projects as the go-to platform for cloud-native applications.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The energy and enthusiasm at KubeCon + CloudNativeCon were palpable, reflecting the vibrant and ever-growing cloud-native community. Over the course of three action-packed days, we had the opportunity to dive deep into the latest trends, innovations, and challenges shaping the future of cloud-native technologies.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here are our key takeaways and insights from this year\u2019s event:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>After celebrating Kubernetes&#8217; 10th anniversary last year, the CNCF is gearing up to mark its own 10th birthday in 2025<\/li>\n\n\n\n<li>Remember WASM, being a hot topic <a href=\"https:\/\/whiteduck.de\/mvp-summit-kubecon-two-weeks-full-of-cloud-native-technology-and-community-highlights\/\" target=\"_blank\" rel=\"noreferrer noopener\">last year<\/a>, WASM seemed to have taken a backseat this year<\/li>\n\n\n\n<li>AI remains buzzing, with advancements in Model Context Protocol (MCP) and intelligent Agents driving innovation. However, the spotlight at KubeCon is shifting toward observability \u2014 ensuring AI systems are transparent, reliable, and optimized and securing AI workloads against vulnerabilities and attacks. As AI matures, balancing innovation with trust and safety has become the new priority<\/li>\n\n\n\n<li>Zero Trust, Policy-as-Code, and supply chain security are no longer overlooked. Security is making a powerful comeback, rising like a phoenix from the ashes of the past. The focus has expanded beyond just securing clusters to safeguarding the entire supply chain &#8211; both software and hardware. This shift emphasizes signing and attesting to every component, from hardware to software, ensuring a fully secure and trusted ecosystem.<\/li>\n\n\n\n<li>Multi-cluster orchestration is rapidly gaining momentum, with tools like Crossplane, Cluster API, and KubeFleet leading the charge in this evolving space. As organizations prioritize scalability and flexibility in cloud-native environments, the demand for efficient multi-cluster management continues to grow. Don\u2019t miss the session &#8220;KubeFleet &#8211; Multi-Cluster Application Management&#8221; for deeper insights into this exciting topic.<\/li>\n\n\n\n<li>And the Winner Is&#8230; Platform Engineering! Platform engineering remains the hottest topic in the cloud-native ecosystem &#8211; and it\u2019s clear it\u2019s here to stay. With demand for platform engineers soaring, the community is abuzz with excitement about this rapidly growing field. This year\u2019s KubeCon spotlighted platform engineering in a big way, featuring a dedicated Platform Engineering Day, a community-organized Platform Engineering Breakfast every morning during KubeCon, and the launch of two new platform engineering certifications from the CNCF. One session you won\u2019t want to miss is &#8220;Lessons Learned by the LEGO Group&#8221; which promises valuable insights from a leading innovator in the space.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Summary<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Like all great things, this incredible week filled with cloud-native innovations and exciting news has come to a close. We had a blast being part of it &#8211; connecting with the community, soaking up insights, and enjoying the energy all around. See you in Amsterdam for KubeCon + CloudNativeCon Europe 2026!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you would like to find out more details or get started with the implementation, please feel free to <a href=\"https:\/\/outlook.office365.com\/book\/WDWebsiteBuchungsanfrage@whiteduck.de\/\" target=\"_blank\" rel=\"noreferrer noopener\">contact us<\/a>! Also, don\u2019t miss following our <a href=\"https:\/\/whiteduck.de\/blog\/\" target=\"_blank\" rel=\"noreferrer noopener\">blog<\/a> for more cloud-native insights!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This year, we were pleased to send our colleagues Nico Meisenzahl, Philip Welz, and first-time attendee Stephan H\u00fcttner to KubeCon + CloudNativeCon Europe 2025 in London. The event was an incredible experience where we connected with fascinating individuals and gained valuable insights into the latest trends in the cloud-native ecosystem. Here are some of the <a href=\"https:\/\/whiteduck.de\/en\/london-calling-a-cloud-native-retrospective\/\"> <\/p>\n<div style=\"color:#ff9900\">[&#8230;]<\/div>\n<p><\/a><\/p>\n","protected":false},"author":18,"featured_media":23911,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_tribe_events_control_status":"","_tribe_events_control_status_canceled_reason":"","_tribe_events_control_status_postponed_reason":"","_tribe_events_control_online":"","_tribe_events_control_online_url":"","footnotes":""},"categories":[432],"tags":[570,113,316,668,554,159],"class_list":["post-23874","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cloud-native","tag-ai","tag-azure","tag-cloudnative","tag-cloudnativecon","tag-kubecon","tag-kubernetes"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>London calling - a KubeCon Retrospective - white duck<\/title>\n<meta name=\"description\" content=\"3 Colleagues, one city, biggest KubeCon EU ever. 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