{"id":332724,"date":"2025-12-07T03:06:07","date_gmt":"2025-12-07T03:06:07","guid":{"rendered":"https:\/\/peraltafinancing.com\/uncategorized\/tungsten-fabric-review-cloud-native-sdn-for-kubernetes\/"},"modified":"2025-12-07T03:06:07","modified_gmt":"2025-12-07T03:06:07","slug":"tungsten-fabric-review-cloud-native-sdn-for-kubernetes","status":"publish","type":"post","link":"https:\/\/fivemor.com\/?p=332724","title":{"rendered":"Tungsten Fabric Review: Cloud-Native SDN for Kubernetes"},"content":{"rendered":"<p> <br \/>\n<\/p>\n<div>\n<div class=\"wpb_wrapper\">\n<p class=\"whitespace-normal break-words\"><a href=\"https:\/\/lfnetworking.org\/category\/tungstenfabric\/\">Tungsten Fabric (TF)<\/a> represents a fundamentally different approach to SDN\u2014rather than controlling physical switches via OpenFlow, it provides cloud-native overlay networking for virtualized and containerized workloads. Originally developed by Juniper Networks and now part of the <a href=\"https:\/\/www.linuxfoundation.org\/projects\/networking\/\">Linux Foundation Networking umbrella<\/a>, Tungsten Fabric has become the go-to SDN solution for organizations building private clouds, Kubernetes platforms, and multi-cloud architectures where software-defined overlays matter more than physical infrastructure control.<\/p>\n<p class=\"whitespace-normal break-words\">This is part of our <a class=\"underline\" href=\"https:\/\/aptira.com\/sdn-controller-comparison\/\">comprehensive SDN Controller Comparison Guide<\/a>, where we evaluate leading open-source SDN controllers\u2014though Tungsten Fabric serves a distinct use case compared to OpenFlow-based controllers like ONOS, ODL, and Faucet.<\/p>\n<h2><strong><span style=\"color: #03c1ae;\">Tungsten Fabric at a Glance<\/span><\/strong><\/h2>\n<table class=\"bg-bg-100 min-w-full border-separate border-spacing-0 text-sm leading-[1.88888] whitespace-normal\">\n<thead class=\"border-b-border-100\/50 border-b-[0.5px] text-left\">\n<tr class=\"[tbody&gt;&amp;]:odd:bg-bg-500\/10\">\n<th class=\"text-text-000 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\">Attribute<\/th>\n<th class=\"text-text-000 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\">Details<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr class=\"[tbody&gt;&amp;]:odd:bg-bg-500\/10\">\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\"><strong>Best For<\/strong><\/td>\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\">Cloud infrastructure, Kubernetes, OpenStack, NFV<\/td>\n<\/tr>\n<tr class=\"[tbody&gt;&amp;]:odd:bg-bg-500\/10\">\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\"><strong>Architecture<\/strong><\/td>\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\">Microservices-based, cloud-native<\/td>\n<\/tr>\n<tr class=\"[tbody&gt;&amp;]:odd:bg-bg-500\/10\">\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\"><strong>Programming Languages<\/strong><\/td>\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\">C++, Python, Go, Node.js<\/td>\n<\/tr>\n<tr class=\"[tbody&gt;&amp;]:odd:bg-bg-500\/10\">\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\"><strong>Primary Protocols<\/strong><\/td>\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\">XMPP (vRouter control), BGP (inter-domain)<\/td>\n<\/tr>\n<tr class=\"[tbody&gt;&amp;]:odd:bg-bg-500\/10\">\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\"><strong>Data Plane<\/strong><\/td>\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\">Custom vRouter (kernel module or DPDK)<\/td>\n<\/tr>\n<tr class=\"[tbody&gt;&amp;]:odd:bg-bg-500\/10\">\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\"><strong>Clustering<\/strong><\/td>\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\">Zookeeper-based coordination, horizontally scalable<\/td>\n<\/tr>\n<tr class=\"[tbody&gt;&amp;]:odd:bg-bg-500\/10\">\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\"><strong>Community<\/strong><\/td>\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\">Linux Foundation Networking<\/td>\n<\/tr>\n<tr class=\"[tbody&gt;&amp;]:odd:bg-bg-500\/10\">\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\"><strong>Key Differentiator<\/strong><\/td>\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\">Overlay networking for clouds, not physical infrastructure<\/td>\n<\/tr>\n<tr class=\"[tbody&gt;&amp;]:odd:bg-bg-500\/10\">\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\"><strong>Deployment Complexity<\/strong><\/td>\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\">High (distributed microservices architecture)<\/td>\n<\/tr>\n<tr class=\"[tbody&gt;&amp;]:odd:bg-bg-500\/10\">\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\"><strong>License<\/strong><\/td>\n<td class=\"border-t-border-100\/50 [&amp;:not(:first-child)]:-x-[hsla(var(--border-100) \/ 0.5)] border-t-[0.5px] px-2 [&amp;:not(:first-child)]:border-l-[0.5px]\">Apache License 2.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p class=\"whitespace-normal break-words\"><strong>What Tungsten Fabric Does Best:<\/strong><\/p>\n<ul class=\"[&amp;:not(:last-child)_ul]:pb-1 [&amp;:not(:last-child)_ol]:pb-1 list-disc space-y-2.5 pl-7\">\n<li class=\"whitespace-normal break-words\">Overlay networking for VMs and containers<\/li>\n<li class=\"whitespace-normal break-words\">Multi-tenant isolation and security<\/li>\n<li class=\"whitespace-normal break-words\">OpenStack and Kubernetes native integration<\/li>\n<li class=\"whitespace-normal break-words\">Service Function Chaining for NFV<\/li>\n<li class=\"whitespace-normal break-words\">Multi-cloud consistent networking<\/li>\n<li class=\"whitespace-normal break-words\">Microservices-based scalability and resilience<\/li>\n<\/ul>\n<h2><strong><span style=\"color: #03c1ae;\">Architecture Deep Dive<\/span><\/strong><\/h2>\n<p>Tungsten Fabrics architecture is composed of two major software components: TF vRouter and TF Controller.<\/p>\n<\/p><\/div>\n<\/div>\n<div data-list-icon=\"icon-salient-thin-line\" data-animation=\"false\" data-animation-delay=\"0\" data-color=\"accent-color\" data-spacing=\"default\" data-alignment=\"left\"> TF vRouter is used for packet forwarding and applying network and security policies to the devices in the network.<\/p>\n<ul>\n<li>VRouters need to be run in each host or compute node in the network. It\u202freplaces the Linux bridge and traditional routing stack IP tables, or OpenVSwitch\u202fnetworking on the compute hosts.<\/li>\n<li>The TF Controller communicates with the\u202fvRouters\u202fvia Extensible Messaging and Presence\u202fProtocol\u202f(XMPP) to apply the desired networking and security policies.<\/li>\n<\/ul>\n<p>TF Controllers consists of following software services:<\/p>\n<ul>\n<li>Control and Configuration services for communicating with vRouters and maintaining the network topology and network policies.<\/li>\n<li>Analytics services for telemetry and troubleshooting.<\/li>\n<li>Web UI services for interacting with users.<\/li>\n<li>And finally, services to provide integration with private and public could, CNI plugins, virtual machine and bare metal.<\/li>\n<\/ul>\n<p>Tungsten Fabric version 5.0 and later architecture use microservices based on Docker containers as shown in figure below to deploy the services mentioned above. This makes the controller resilient against failure and highly available which result in the customer user experience. <\/p>\n<\/div>\n<div>\n<div class=\"wpb_wrapper\">\n<h3><span style=\"color: #03c1ae;\">Modularity and Extensibility <\/span><\/h3>\n<p>TF microservice-based architecture allows developing particular services based on the performance requirement and increasing load. Also, microservices by nature are modular which makes the maintenance and extensibility of the platform easy whilst isolating the failure of services from each other.<\/p>\n<h3><span style=\"color: #03c1ae;\">Scalability<\/span><\/h3>\n<\/p><\/div>\n<\/div>\n<div>\n<div class=\"wpb_wrapper\">\n<h3><span style=\"color: #03c1ae;\">Telemetry<\/span><\/h3>\n<p>Analytics nodes extract usable telemetry information form infrastructure. The data can then be normalised to the common format and the output is sent\u202fvia the Kafka service into a Cassandra database.\u202fThis data can be used in a multitude of ways operationally, from problem solving to capacity planning. Redis uses the data for generating graphs and running queries.\u202fThe Redis pod is deployed between the analytics pod and the Web UI pod.<\/p>\n<h3><span style=\"color: #03c1ae;\">Resilience and Fault Tolerance<\/span><\/h3>\n<p>The modular architecture of Tungsten Fabric makes it resilient against failure, with typically several controllers\/pods running on several servers for high availability. Also, the failure of a service is isolated, so it does not affect the whole system. The API and Web GUI services are accessed through a load balancer. The load balancer can allow pods to be in different\u202fsubnets.<\/p>\n<h3><span style=\"color: #03c1ae;\">Programming Language<\/span><\/h3>\n<p>TF supports C++, Python, Go, Node.js.<\/p>\n<h3><span style=\"color: #03c1ae;\">Community<\/span><\/h3>\n<p>TF was first associated with Juniper but is now supported under the\u202fLinux Foundation Networking\u202fumbrella and boasts a large developer and user community.<\/p>\n<h3><span style=\"color: #03c1ae;\">Conclusion<\/span><\/h3>\n<p>Given this evaluation; TF is a suitable choice\u202ffor cloud builders and cloud-native platform engineers. This is because it works flexibly with private and public Clouds, CNI plugins, virtual machines and bare metal. Depending on the orchestrator integrated, it exposes heat APIs, Kubernetes APIs, etc. to instantiate network and security policies. The scalability of TF makes it highly available and resilient against failure which increases the customer user experience.\u202fFinally, the modularity features of it allows users to easily customise, read, test and maintain each module separately.<\/p>\n<h3><span style=\"color: #03c1ae;\">SDN Controller Comparisons:<\/span><\/h3>\n<\/p><\/div>\n<\/div>\n\n","protected":false},"excerpt":{"rendered":"<p>Tungsten Fabric (TF) represents a fundamentally different approach to SDN\u2014rather than controlling physical switches via OpenFlow, it provides cloud-native overlay networking for virtualized and containerized workloads. Originally developed by Juniper Networks and now part of the Linux Foundation Networking umbrella, Tungsten Fabric has become the go-to SDN solution for organizations building private clouds, Kubernetes platforms, [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":332725,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[158495,158496,158497,131929,158498],"tags":[37327,3176,37326,3749,19795,158499,158500,3203,158501],"dealstore":[],"offerexpiration":[],"class_list":["post-332724","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sdn","category-sdn-controller","category-software-defined-networking","category-technical-documentation","category-tungsten-fabric","tag-cloudnative","tag-fabric","tag-kubernetes","tag-review","tag-sdn","tag-sdn-controller","tag-software-defined-networking","tag-tungsten","tag-tungsten-fabric"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tungsten Fabric Review: Cloud-Native SDN for Kubernetes - Som2ny Network<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fivemor.com\/?p=332724\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tungsten Fabric Review: Cloud-Native SDN for Kubernetes - Som2ny Network\" \/>\n<meta property=\"og:description\" content=\"Tungsten Fabric (TF) represents a fundamentally different approach to SDN\u2014rather than controlling physical switches via OpenFlow, it provides cloud-native overlay networking for virtualized and containerized workloads. 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