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Blog posts tagged
"networking"

Benjamin Ryzman
2 June 2026

What is InfiniBand?

AI Ubuntu tech blog

When distributed workloads stall because nodes cannot exchange small messages quickly and consistently, the network is the limiting factor. How do you solve that problem? InfiniBand offers one solution. InfiniBand is an interconnect, meaning the end-to-end communication system that links compute, storage, and accelerator nodes. It is impl ...

Benjamin Ryzman
11 February 2026

What is RDMA?

AI Ubuntu tech blog

Modern data centres are hitting a wall that faster CPUs alone cannot fix. As workloads scale out and latency budgets shrink, the impact of moving data between servers is starting to become the most significant factor in overall performance. Remote Direct Memory Access, or RDMA, is one of the technologies reshaping how that data moves, ...

Benjamin Ryzman
28 October 2025

Canonical and NVIDIA BlueField-4: a foundation for zero-trust high performance infrastructure

AI Ubuntu tech blog

At NVIDIA GTC Washington D.C., Canonical is pleased to support the arrival of the NVIDIA BlueField-4 – the newest generation of the data processing unit (DPU) family. NVIDIA BlueField-4 is an accelerated infrastructure platform for gigascale AI factories. By combining NVIDIA Grace CPU and NVIDIA ConnectX-9 networking, it delivers 6x the c ...

Benjamin Ryzman
11 June 2025

Canonical Kubernetes meets NVIDIA DOCA Platform Framework (DPF): building the future of DPU-driven infrastructure

Kubernetes Ubuntu tech blog

The combined solutions simplify infrastructure operations and accelerate time-to-value for AI, telecom, and enterprise computing workloads. Accelerate deployment and operations of BlueField DPUs with Canonical Kubernetes At GTC Paris today, Canonical announced support for the NVIDIA DOCA Platform Framework (DPF) with Canonical Kubernetes ...

Benjamin Ryzman
2 April 2025

The future of Kubernetes networking: Cilium and other CNIs with Canonical Kubernetes

Kubernetes Ubuntu tech blog

Choosing the right Container Network Interface (CNI) for Kubernetes is critical to achieving optimal performance, security, and scalability. With the launch of Canonical Kubernetes LTS (long-term support) last month, Canonical decided to integrate Cilium as the default CNI in order to reflect our commitment to delivering a modern, securit ...

Benjamin Ryzman
21 June 2024

Data Centre AI evolution: combining MAAS and NVIDIA smart NICs

AI Ubuntu tech blog

It has been several years since Canonical committed to implementing support for NVIDIA smart NICs in our products. Among them, Canonical’s metal-as-a-service (MAAS) enables the management and control of smart NICs on top of bare-metal servers. NVIDIA BlueField smart NICs are very high data rate network interface cards providing advanced s ...

Benjamin Ryzman
22 April 2024

Achieving Performant Single-Tenant Cloud Isolation with IBM Cloud Bare Metal Servers, Ubuntu Core, Snaps, and AMD Pensando Elba Data Processing Unit

Networking Ubuntu tech blog

Discover how IBM Cloud’s bare metal servers offer highly confined and high-performing single-tenant cloud isolation through the use of Ubuntu Core and Snaps, supported by the AMD Pensando Elba DPU (Data Processing Unit). This setup enables the creation of secure and efficient environments for each tenant. Its design ensures the total sepa ...

Lukas Märdian
5 April 2024

Introducing Netplan v1.0 – stable, declarative network management

Cloud and server Ubuntu tech blog

After more than 7 years of development, Netplan v1.0 delivers improved stability and maintainability alongside a host of other new features. ...

Shashank Balashankar
19 March 2024

Canonical collaborates with NVIDIA to simplify enterprise AI deployments with NVIDIA BlueField-3 operating an optimised, Ubuntu-based Linux OS 

Networking Ubuntu tech blog

The NVIDIA BlueField-3 networking platform – powering the latest data processing units (DPUs) and SuperNICs, and transforming data centre performance and efficiency – runs BlueField OS, an optimised Linux operating system (OS) derived from Ubuntu. With Ubuntu’s signature maintenance and support guarantees, the comprehensive Ubuntu Pro sof ...

Lukas Märdian
14 November 2023

Netplan brings consistent network configuration across Desktop, Server, Cloud and IoT

Cloud and server Ubuntu tech blog

Learn how Netplan has established itself as the proven network stack across all variants of Ubuntu – Server, Cloud, Embedded and now Desktop. ...

Serdar Vural
11 October 2023

SmartNICs in telco: benefits and use cases

Cloud and server Ubuntu tech blog

In our previous blog, we introduced smartNICs as technology enablers for next-generation converged data centres. We covered how smartNICs can increase efficiency and drive return on investment. In this blog post, we explain how this innovative technology can help the telecom industry. SmartNICs use cases for the telecom sector are still e ...

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