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DPDK Summit 2026

12-13 May 2026 | Stockholm, Sweden
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09:25 CEST

DPDK and 802.11 - Robert McMahon, Umber Networks

Tuesday May 12, 2026 09:25 - 10:10 CEST

Rum 17+18 - Floor 3

DPDK transformed wired networking by giving host software direct control over packet processing. This talk makes the case that the same approach should be applied to 802.11 wireless.

Wi-Fi’s real behavior—contention, TXOP scheduling, A-MPDU aggregation, rate adaptation, and retries—is hidden below the 802.3 interface inside firmware and hardware state machines. This prevents per-packet observability and programmable control.

We propose a Wi-Fi Poll Mode Driver model that operates natively on 802.11 frames, exposing aggregation and retry behavior as first-class metadata and accepting explicit transmission parameters (MCS/NSS/BW, TXOP limits, retry policy). With this interface, a DPDK application can coordinate microsecond-scale MAC scheduling with millisecond-scale ECN/AQM control.

We outline the required PMD interface, metadata surface, and driver hooks needed to bring software-defined control to wireless networking.

Slides: https://www.umbernetworks.com/DPDK_WiFi_Stockholm_Pres.html
Acronyms: https://www.umbernetworks.com/dpdk_talk_acronyms.html

Speakers

ROBERT MCMAHON

Founder, Umber Networks

Bob McMahon is founder and CTO of Umber Networks, developing Fi-Wi, a software-defined Wi-Fi architecture that centralizes MAC scheduling using fiber-connected radio heads. He previously worked on Cisco Catalyst switching and Wi-Fi chipset testing at Broadcom. He maintains iperf2... Read More →

Tuesday May 12, 2026 09:25 - 10:10 CEST
Rum 17+18 - Floor 3

Session Presentations

Audience Any
Presentation Slides Attached Yes
Presentation Link https://www.umbernetworks.com/DPDK_WiFi_Stockholm_Pres.html

10:15 CEST

Applying Header–Data Split To Zero-Copy Data Transfer - Dapeng Sang & Wei Yan, ByteDance

Tuesday May 12, 2026 10:15 - 10:25 CEST

Rum 17+18 - Floor 3

In this presentation, we will explore the application of header-data split in zero-copy mechanisms within a disaggregated userspace protocol stack to improve performance and multi-tenant memory safety. We focus on two key points:
1. Performance Optimization
a. Zero-Copy: Achieve zero-copy between the application and the NIC, reducing latency and saving CPU resources.
b. Cache Efficiency: By applying HDS, the userspace stack only loads the protocol headers, reducing cache pollution and making protocol parsing faster.
c. Cross-Socket Access: Headers and payloads can reside on different sockets, eliminating the need for remote data access by applications.
2. Memory Permission Isolation
a. Memory Sharing and Safety: Each application creates memory pool and shares it with the userspace stack. Only read permission is retained in userspace stack after registration on device.
b. Fault Containment and Protection: In the event of memory exceptions in either the application or the userspace stack, their operational stability remain unaffected.
Through detailed design, we have enhanced the performance and safety. Attendees will get an in-depth look at the practical application.

Speakers

dapeng sang

Senior Engineer, ByteDance

A kernel network engineer at ByteDance, currently focusing on user-space protocol stacks, kernel networking. We provide high-performance, cost-effective, and stable network services for data centers.

Wei Yan

Senior Engineer, ByteDance

A software engineer at ByteDance, currently focusing on the performance and stability of user-space TCP protocol stack.

Applying Header–Data Split to Zero Copy Data Transfer pdf

Tuesday May 12, 2026 10:15 - 10:25 CEST
Rum 17+18 - Floor 3

Lightning Talks

Audience Intermediate
Presentation Slides Attached Yes

12:05 CEST

Accelerate RSS Hash in Software With GFNI - Vladimir Medvedkin, Intel

Tuesday May 12, 2026 12:05 - 12:15 CEST

Rum 17+18 - Floor 3

Overview of GFNI based Toeplitz hash implementation

Speakers

Vladimir Medvedkin

Software Engineer, Intel

Long time DPDK developer, maintainer of RIB, FIB, LPM, Hash and a few Intel PMDs.

Accelerating Toeplitz Hash with GFNI pdf

Tuesday May 12, 2026 12:05 - 12:15 CEST
Rum 17+18 - Floor 3

Lightning Talks

Audience Any
Presentation Slides Attached Yes

12:20 CEST

Low‑Latency Sensor Bridge Solution for Perception Physical AI (using DPDK) - Hemant Agrawal, NXP

Tuesday May 12, 2026 12:20 - 12:30 CEST

Rum 17+18 - Floor 3

Physical AI systems demand ultra‑low‑latency transport of rich sensor data from the edge to centralized AI compute. This talk showcases a DPDK‑based sensor bridge using NXP i.MX processors as NVIDIA Holoscan Sensor Bridge endpoints, delivering deterministic, zero‑copy perception pipelines. It highlights how DPDK unlocks a new class of real‑time workloads for robotics, industrial vision, and Physical AI.

Speakers

Hemant Agrawal

Technical Director, NXP

NXP

AI SENSOR BRIDGE HEMANT NXP pdf

Tuesday May 12, 2026 12:20 - 12:30 CEST
Rum 17+18 - Floor 3

Lightning Talks

Audience Any
Presentation Slides Attached Yes

15:00 CEST

DPDK Powered Data Acquisition Systems at CERN - Roland Sipos, CERN

Tuesday May 12, 2026 15:00 - 15:30 CEST

Rum 17+18 - Floor 3

At CERN, the European Organization for Nuclear Research, DPDK has evolved from a performance enabler to a common technology for data acquisition and readout systems across multiple practical use-cases. It is deployed in production in multiple experiments like NA62 and in the prototype detectors at CERN’s Neutrino Platform, and forms part of the architectural foundation for large-scale experiments like DUNE.
For NA62, DPDK replaced a commercial, licensed networking solution, enabling a fully open-source readout stack with improved maintainability and long-term sustainability.
In the DUNE experiment’s prototypes, the challenge was not only transitioning from custom protocols to standard Ethernet, but scaling to multi-100Gbps UDP inputs per computing node. This required NUMA-aware architecture, RX queue partitioning, multi-process separation of control and data planes, memory pool tuning, burst optimization, and careful interrupt and polling strategies to sustain deterministic throughput.
The talk presents concrete architectural patterns, tuning strategies, and operational lessons from large-scale, long-running deployments for physics experiments at CERN.

Speakers

Roland Sipos

Computing Engineer, CERN

I design and coordinate large-scale data acquisition and control systems, focusing on scalability, reliability, and maintainability. My work spans system architecture, technical direction, and cross-team alignment, while staying hands-on in development. I’m also active in R&D on... Read More →

RolandSipos DPDKPoweredDAQAtCERN pdf

Tuesday May 12, 2026 15:00 - 15:30 CEST
Rum 17+18 - Floor 3

Session Presentations

Audience Intermediate
Presentation Slides Attached Yes

16:00 CEST

Running a High-Performance DPDK-Based Router on Kubernetes - Andrea Panattoni, Red Hat

Tuesday May 12, 2026 16:00 - 16:30 CEST

Rum 17+18 - Floor 3

Grout is a DPDK-based software router that supports IPv4/IPv6
forwarding, VRFs, NAT, and FRR integration. Deploying it, as any DPDK application, inside a Kubernetes pod presents a fundamental challenge: DPDK expects direct hardware access, hugepages, and dedicated CPU cores, while Kubernetes abstracts all of these away by design.

This talk walks through deploying Grout on Red Hat OpenShift, leveraging the platform's operator ecosystem to bridge the gap between DPDK's hardware requirements and Kubernetes' abstraction model. It covers the full stack: configuring the SR-IOV Network Operator to expose virtual functions, using the Node Tuning Operator and PerformanceProfiles to guarantee isolated CPUs, Hugepages, and NUMA-aligned scheduling, and packaging Grout as a container that can consume these resources.

Speakers

Andrea Panattoni

Software Engineer, Red Hat

Andrea Panattoni is a Principal Software Engineer at Red Hat, working on OpenShift Networking area. He
has been working on Telco-related OpenShift features and operators for the last few years.

DPDKSummit2026 Running a High Performance DPDK Based Router on Kubernetes pdf

Tuesday May 12, 2026 16:00 - 16:30 CEST
Rum 17+18 - Floor 3

Session Presentations

Audience Intermediate
Presentation Slides Attached Yes

16:35 CEST

Using DPDK on Embedded RISC-V Cores of a NIC - Dmitry Kozlyuk, Mitigator Global

Tuesday May 12, 2026 16:35 - 17:05 CEST

Rum 17+18 - Floor 3

Data-path accelerator (DPA) is an NVIDIA BlueField-3 subsystem that consists of a large number of RISC-V cores integrated with the NIC fabric. DPA cannot comprehensively host DPDK, because DPA is running an RTOS without any conventional services except scheduling. Besides, DPDK core abstractions are suboptimal for DPA or have limited use there. On the other hand, it is desired to run advanced and well-tested DPDK algorithms on DPA. Doing so means running DPDK control plane and data plane code on separate HW and in very different environments. We describe the needed adjustments to DPDK libraries to do so and measure the performance of DPDK code running on DPA. We also outline and discuss the gaps that DPDK could overcome to allow its use in such heterogeneous environments.

Speakers

Dmitry Kozlyuk

Principal SWE, Mitigator Global

I've been using DPDK for 10 years including 2+ years of active contribution. Windows support and memory management are my areas of expertise in DPDK. I'm also eager about teaching DPDK and have a lot of experience in anti-DDoS.

Kozlyuk DPA DPDK Summit 2026 pdf

Tuesday May 12, 2026 16:35 - 17:05 CEST
Rum 17+18 - Floor 3

Session Presentations

Audience Intermediate
Presentation Slides Attached Yes

10:05 CEST

PQC Integration in DPDK: OpenSSL PMD Implementation and Future Offload Roadmap - Gowrishankar Muthukrishnan & Akhil Goyal, Marvell

Wednesday May 13, 2026 10:05 - 10:15 CEST

Rum 17+18 - Floor 3

Post Quantum Cryptography (PQC) requires seamless integration into modern packet frameworks. This work introduces post-quantum cryptography (PQC) support in the Data Plane Development Kit (DPDK) through the OpenSSL Poll Mode Driver (PMD), providing developers with a practical entry point to experiment with PQC primitives using the familiar cryptodev API. The OpenSSL PMD implementation serves as a reference design, demonstrating how PQC algorithms such as key encapsulation and digital signatures can be exposed consistently to applications with minimal changes. For developers, this enables immediate validation, benchmarking, and integration of PQC workloads in software, while establishing a clear API model for future extensions. The long-term vision is for hardware crypto accelerators—including Octeon CNXK and VirtIO crypto drivers—to adopt this reference approach, ensuring interoperability and contributing back to the community. By aligning software and hardware PMDs around a unified PQC API, DPDK fosters a collaborative ecosystem where developers, vendors, and operators can build scalable, quantum resilient applications such as VPNs, TLS termination, IPsec gateways, and 5G cores.

Speakers

Akhil Goyal

Principal Engineer, Marvell Semiconductors

Akhil is principal engineer at Marvell, member of its Dataplane and Accelarators team. He mainly contributes to the DPDK project, for which he is the maintainer for crypto tree. He has made significant contributions to rte_security, IPsec, PDCP, MACsec, and various Crypto API def... Read More →

Gowrishankar Muthukrishnan

Principal Engineer, Marvell Technology

I have been working as a Principal Engineer at Marvell for the past five years, contributing to DPDK cryptography drivers and applications. Prior to Marvell, I worked on various Linux projects at Red Hat, IBM, and Oracle. My interests include exploring Network security, the Internet... Read More →

DPDK summit 26 PQC v3 pdf

Wednesday May 13, 2026 10:05 - 10:15 CEST
Rum 17+18 - Floor 3

Lightning Talks

Audience Any
Presentation Slides Attached Yes

10:20 CEST

DPDK Integration for DPI: Practical Trade-offs Between Throughput, Portability, and Operations - Harald Bunke, ipoque GmbH, a Rohde & Schwarz company

Wednesday May 13, 2026 10:20 - 10:30 CEST

Rum 17+18 - Floor 3

DPDK is used as the packet-ingest layer for a traffic monitoring system feeding an internal DPI engine.
Today, throughput is maximized by tuning for a specific server/NIC/OS combination, but this reduces portability and increases operational effort.

This lightning talk discusses the throughput impact observed when moving toward a more “generic” deployment.
Results are presented for: (1) optimized (“native”) vs portable (“generic”) builds, (2) CPU isolation, (3) hugepage configuration and (4) PMD/driver configuration.

Speakers

Harald Bunke

Software Developer, ipoque, a Rohde & Schwarz company

Harald Bunke is a software developer at ipoque working on network traffic analysis and Deep Packet Inspection (DPI) systems.
In this role, he focuses on packet-ingest and performance aspects of DPDK-based application on Linux, supporting deployment and benchmarking across different hardware and runtime configurations... Read More →

DPDK summit 2026 ppt deploy options performance pdf

Wednesday May 13, 2026 10:20 - 10:30 CEST
Rum 17+18 - Floor 3

Lightning Talks

Audience Beginner
Presentation Slides Attached Yes

10:55 CEST

Beyond Throughput: Exploring the Ambiguities and Limits of rte_flow Offloading - Pavlina Patova, DynaNIC Semiconductors

Wednesday May 13, 2026 10:55 - 11:25 CEST

Rum 17+18 - Floor 3

As network speeds increase, relying on hardware offloading via rte_flow becomes essential. However, the implementation of these APIs varies significantly across vendors. This talk shares findings from an ongoing exploration of NIC performance (NVIDIA, Intel or DYNANIC), with a primary focus on the capabilities and limitations of hardware-offloaded packet filtering using the DPDK rte_flow API. While standard throughput metrics are important, this session moves beyond basic performance to explore the behavior of NICs under stress and in ambiguous scenarios that are often overlooked in standard datasheets.

Speakers

Pavlina Patova

Developer, DynaNIC Semiconductors

Pavlína is a Software Engineer at DYNANIC, where she specializes in high-performance networking with a focus on DPDK and the rte_flow API. She began her professional journey during her studies at Brno University of Technology, where she joined CESNET. There, she initially worked... Read More →

patova dpdk summit26 pdf

Wednesday May 13, 2026 10:55 - 11:25 CEST
Rum 17+18 - Floor 3

Session Presentations

Audience Intermediate
Presentation Slides Attached Yes

11:30 CEST

AI-Assisted Formal Verification of the DPDK eBPF Verifier - Marat Khalili, Claudia Cauli & Konstantin Ananyev, Huawei Ireland Research Center

Wednesday May 13, 2026 11:30 - 12:00 CEST

Rum 17+18 - Floor 3

eBPF support was added to DPDK in 2018, enabling users to execute custom byte-code to extend application functionality without rebuilding or restarting. Our Data-Plane team aims to make eBPF a first-class citizen in HC data-plane appliances. However, safe usage requires ensuring custom programs won't crash the application. The current DPDK eBPF verifier lacks essential features and isn't as robust as the Linux kernel version. This presentation covers two aspects:
- eBPF Usage in Data-Plane Appliances: Current and planned uses, missing DPDK eBPF functionality, and requirements for wider community adoption.
- Verifying the Verifier: We applied bounded model checking and deductive verification to verify the BPF validator's correctness. We uncovered multiple previously unknown bugs across distinct classes. For each bug, we produced counterexamples, verified fixes, and machine-checked proofs. Using an AI assistant, we formally verified the validator in days. We'll share practical lessons for applying AI-assisted formal verification to DPDK subsystems.

Speakers

Konstantin Ananyev

Principal Engineer, Huawei Ireland Research Center

Claudia Cauli

Principal Research Engineer, Huawei Ireland Research Center

Claudia Cauli is a Principal Research Engineer and Team Lead of the Formal Methods Team at Huawei Ireland Research Center. She works on ensuring systems' correctness and reliability through principled and rigorous approaches, such as provable formal methods.

Marat Khalili

Principal Software Engineer, Huawei Ireland Research Center

Marat Khalili is a Principal Software Engineer specializing in R&D for high-performance systems. With a mathematical foundation that turns numerical recipes into production-ready code, he focuses on algorithmic design and infrastructure scalability. Marat has deep experience in performance... Read More →

2026 05 13 AI Assisted Formal Verification of the DPDK eBPF Verifier pdf

Wednesday May 13, 2026 11:30 - 12:00 CEST
Rum 17+18 - Floor 3

Session Presentations

Audience Any
Presentation Slides Attached Yes

12:05 CEST

Packet Capture Tool Based on eBPF for DPDK - Tengteng Yang, ByteDance

Wednesday May 13, 2026 12:05 - 12:15 CEST

Rum 17+18 - Floor 3

In the field of high-performance networking, traditional packet capture tools like tcpdump are facing a massive blind spot in observability. tcpdump relies heavily on the kernel protocol stack, whereas modern high-performance applications widely adopt DPDK technology. In DPDK, packets flow directly between userspace drivers and applications via mbuf, completely bypassing the kernel.

To address these pain points, we have introduced an internal open-source network observability tool — netcap.

Netcap not only inherits the ability to trace kernel skbs but also achieves breakthrough support for DPDK mbufs:
- Deep Userspace Introspection: It can delve directly into userspace memory, non-intrusively capturing and parsing mbuf data flowing through critical DPDK processing functions.
- Zero Learning Curve: It perfectly supports tcpdump filter syntax (BPF filters), allowing developers to precisely capture the mbuf traffic they care about, just like using tcpdump.

The emergence of netcap effectively fills the gap in "mbuf observability" within high-performance network development, making black-box debugging of DPDK applications a thing of the past.

Speakers

Tengteng Yang

linux kernel network engineer, ByteDance

A linux kernel network engineer at ByteDance,

- Kernel side: Built a fine-grained kernel traffic observability system using eBPF, enabling end-to-end tracing to gain deep insights into service call relationships.

- User-space side: pioneered the extension of eBPF observability capabilities into the DPDK user-space protocol stack. This addressed the observability blind spots of traditional tools in kernel-bypass environments by enabling packet capture and analysis at `mbuf` granularity... Read More →

netcap DPDK summit 2026 v13 pdf

Wednesday May 13, 2026 12:05 - 12:15 CEST
Rum 17+18 - Floor 3

Lightning Talks

Audience Any
Presentation Slides Attached Yes

12:35 CEST

Multithreading on Eventdev - Mattias Rönnblom, Ericsson

Wednesday May 13, 2026 12:35 - 12:45 CEST

Rum 17+18 - Floor 3

Events (jobs) in Eventdev are non-preemptive, and thus must be relatively short run time.

One way to deal with this issue is to split large jobs into multiple events.

For legacy code, originally design for POSIX threads, such an exercise may be costly. Also, for certain domains, being able to retain the stack between invocations (events) may results in a simpler program.

This talk briefly introduce this topic and discuss an Ericsson prototype coroutine library running on top of Eventdev, allowing for a code written for a thread-like, cooperative multi-tasking programming model to coexist with native event-driven programs running on the same DPDK lcores, making the coroutine library in combination the event device a task/thread scheduler.

Speakers

Mattias Rönnblom

Principal Designer, Ericsson

Principal Developer in Radio Access Network (RAN) Software Architecture at Ericsson with 25+ years of experience designing Linux and Open Source-based networking equipment and services. Focuses on high-performance, DPDK-based networking for 4G/5G RAN and is a DPDK maintainer and author... Read More →

Threading on Eventdev pdf

Wednesday May 13, 2026 12:35 - 12:45 CEST
Rum 17+18 - Floor 3

Lightning Talks

Audience Any
Presentation Slides Attached Yes

16:30 CEST

Develop With Confidence: Integrating the DPDK Test Suite With Your Development Workflow - Patrick Robb, DTS Maintainer

Wednesday May 13, 2026 16:30 - 17:00 CEST

Rum 17+18 - Floor 3

Currently, the standard development workflow for DPDK goes something like this: A developer wants to add a new feature or resolve a bug in DPDK, so they write a patch, run the DPDK unit tests against it, and then if those are passing, send it off to the mailing list, where it will get picked up by CI labs that run end to end testing on real hardware using the DPDK Test Suite. Although this solution works fairly well, DPDK developers may also gain some valuable speed and confidence by directly integrating the DPDK Test Suite into their local development workflow. So, I will “demo” the following sequence. First apply a patch to DPDK which either resolves or breaks some DPDK functionality. Then, pass this new DPDK source into the DPDK Test Suite, executing a testcase/testcases on a minimal DTS setup. Then, overview the results produced by DTS, and highlight how the patch applied in step 1 resolved/broke functionality tracked by the testcase/testcases being run. Specifically, I will demonstrate this workflow through the new Flow Offload Testsuite that is arriving to DPDK in DPDK version 26.03.

Speakers

Patrick Robb

Senior Software System Design Engineer, AMD

Patrick Robb has been involved in the DPDK CI testing community since 2022 and is a maintainer of the DPDK Test Suite (DTS).

Stockholm DTS Presentation (FINAL) Patrick Robb pdf

Wednesday May 13, 2026 16:30 - 17:00 CEST
Rum 17+18 - Floor 3

Session Presentations

Audience Beginner
Presentation Slides Attached Yes

17:05 CEST

Closing Remarks - Thomas Monjalon, NVIDIA

Wednesday May 13, 2026 17:05 - 17:15 CEST

Rum 17+18 - Floor 3

Speakers

Thomas Monjalon

DPDK Maintainer, NVIDIA

2026 05 closing pdf

Wednesday May 13, 2026 17:05 - 17:15 CEST
Rum 17+18 - Floor 3

Opening/Closing Remarks

Audience Any
Presentation Slides Attached Yes