# \#fastdds

**URL:** https://discourse.openrobotics.org/tag/fastdds/211.md

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## [New CLI tool: fastdds\_transport\_viz — predict & measure per-topic DDS transport in ROS 2](https://discourse.openrobotics.org/t/new-cli-tool-fastdds-transport-viz-predict-measure-per-topic-dds-transport-in-ros-2/57900)

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**Author:** [@dandelion1124](https://discourse.openrobotics.org/u/dandelion1124)\
**Replies:** 5\
**Last updated:** [September 14, 2026, 6:37pm UTC](https://discourse.openrobotics.org/t/new-cli-tool-fastdds-transport-viz-predict-measure-per-topic-dds-transport-in-ros-2/57900 "2026-09-14T18:37:25Z")

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Hi all, I built fastdds\_transport\_viz, a CLI tool that shows which transport (UDPv4/v6, TCP, SHM, or zero-copy data-sharing) each ROS 2 topic actually uses — and why. Predicts the transport per writer→reader pair from…

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## [Ros2probe: observe ROS 2 traffic without the probe effect (swap ros2 -\> rp)](https://discourse.openrobotics.org/t/ros2probe-observe-ros-2-traffic-without-the-probe-effect-swap-ros2-rp/55430)

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**Author:** [@sanghoon\_lee](https://discourse.openrobotics.org/u/sanghoon_lee)\
**Replies:** 13\
**Last updated:** [August 27, 2026, 2:11am UTC](https://discourse.openrobotics.org/t/ros2probe-observe-ros-2-traffic-without-the-probe-effect-swap-ros2-rp/55430 "2026-08-27T02:11:02Z")

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ros2probe is a drop-in replacement for rosbag2 and ros2 topic that does not perturb the system it observes. It records and monitors ROS 2 traffic from outside the DDS domain. No extra subscriber, no observer-induced dro…

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## [ROS 2 Lyrical Luth and 11 Years of Fast DDS as ROS 2 Default Middleware](https://discourse.openrobotics.org/t/ros-2-lyrical-luth-and-11-years-of-fast-dds-as-ros-2-default-middleware/55062)

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**Author:** [@Jaime\_Martin\_Losa](https://discourse.openrobotics.org/u/Jaime_Martin_Losa)\
**Replies:** 1\
**Last updated:** [May 25, 2026, 9:33am UTC](https://discourse.openrobotics.org/t/ros-2-lyrical-luth-and-11-years-of-fast-dds-as-ros-2-default-middleware/55062 "2026-05-25T09:33:07Z")

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With the upcoming release of ROS 2 Lyrical Luth in May 2026, Fast DDS will continue serving as the default middleware implementation for ROS 2. For more than 11 years, Fast DDS has accompanied the ROS 2 ecosystem throug…

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## [Is FastDDS (default config) totally unusable for simulation with rclpy?](https://discourse.openrobotics.org/t/is-fastdds-default-config-totally-unusable-for-simulation-with-rclpy/54553)

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**Author:** [@peci1](https://discourse.openrobotics.org/u/peci1)\
**Replies:** 11\
**Last updated:** [May 10, 2026, 6:55am UTC](https://discourse.openrobotics.org/t/is-fastdds-default-config-totally-unusable-for-simulation-with-rclpy/54553 "2026-05-10T06:55:06Z")

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I was fighting some performance issues in our simulation for a subject I teach. It boiled down to one slight performance improvement in rclpy which I started discussing, but the larger surprise was how super-bad FastDDS…

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## [Announcing Fast DDS Pro – Advanced Features for ROS 2 and Vulcanexus](https://discourse.openrobotics.org/t/announcing-fast-dds-pro-advanced-features-for-ros-2-and-vulcanexus/49862)

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**Author:** [@Jaime\_Martin\_Losa](https://discourse.openrobotics.org/u/Jaime_Martin_Losa)\
**Replies:** 2\
**Last updated:** [September 8, 2025, 12:57pm UTC](https://discourse.openrobotics.org/t/announcing-fast-dds-pro-advanced-features-for-ros-2-and-vulcanexus/49862 "2025-09-08T12:57:20Z")

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Hello ROS 2 community, We are excited to announce the upcoming release of Fast DDS Pro, the new commercial edition of Fast DDS. Fast DDS Pro extends the capabilities of the community edition with advanced networking fe…

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## [\[Announcement\] Intel RealSense D555 with Native ROS 2 Support – Powered by Safe DDS](https://discourse.openrobotics.org/t/announcement-intel-realsense-d555-with-native-ros-2-support-powered-by-safe-dds/44084)

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**Author:** [@Jaime\_Martin\_Losa](https://discourse.openrobotics.org/u/Jaime_Martin_Losa)\
**Replies:** 2\
**Last updated:** [July 18, 2025, 10:11am UTC](https://discourse.openrobotics.org/t/announcement-intel-realsense-d555-with-native-ros-2-support-powered-by-safe-dds/44084 "2025-07-18T10:11:59Z")

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We’re excited to share that Intel has just launched the RealSense Depth Camera D555, and it comes with native ROS 2 support out of the box – no additional installation required! The D555 is powered by Safe DDS, an ISO 2…

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## [Safe DDS Achieves ISO 26262 ASIL D Certification](https://discourse.openrobotics.org/t/safe-dds-achieves-iso-26262-asil-d-certification/41036)

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**Author:** [@Jaime\_Martin\_Losa](https://discourse.openrobotics.org/u/Jaime_Martin_Losa)\
**Replies:** 5\
**Last updated:** [December 17, 2024, 3:47am UTC](https://discourse.openrobotics.org/t/safe-dds-achieves-iso-26262-asil-d-certification/41036 "2024-12-17T03:47:16Z")

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We are thrilled to announce a groundbreaking achievement: Safe DDS has successfully completed the rigorous ISO 26262 ASIL D certification process! This makes Safe DDS the first European DDS implementation to attain this …

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## [ROS2 DDS - using static topic types and enabling FastDDS' typelookup functionality for those - fact check/early planning](https://discourse.openrobotics.org/t/ros2-dds-using-static-topic-types-and-enabling-fastdds-typelookup-functionality-for-those-fact-check-early-planning/20511)

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**Author:** [@fwr-ml](https://discourse.openrobotics.org/u/fwr-ml)\
**Replies:** 1\
**Last updated:** [October 21, 2024, 1:20am UTC](https://discourse.openrobotics.org/t/ros2-dds-using-static-topic-types-and-enabling-fastdds-typelookup-functionality-for-those-fact-check-early-planning/20511 "2024-10-21T01:20:20Z")

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Hello, I tried to get turtlesim to initialize with FastDDS’ typelookup\_config.use\_server set to true, so I could gather information about topics via DDS readers/writers and on demand get typeinformation/TypeObjects to i…

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## [Shared memory transport in FastDDS for Image publisher has lower frame rate than UDP transport ](https://discourse.openrobotics.org/t/shared-memory-transport-in-fastdds-for-image-publisher-has-lower-frame-rate-than-udp-transport/39874)

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**Author:** [@darrenjkt](https://discourse.openrobotics.org/u/darrenjkt)\
**Replies:** 9\
**Last updated:** [October 3, 2024, 11:13am UTC](https://discourse.openrobotics.org/t/shared-memory-transport-in-fastdds-for-image-publisher-has-lower-frame-rate-than-udp-transport/39874 "2024-10-03T11:13:08Z")

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My team and I have noticed that our image publisher is much slower on shared memory transport compared to solely using UDP transport. We have two docker containers on net: host and ipc: host. One docker container publis…

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## [Vulcanexus Core Tutorials](https://discourse.openrobotics.org/t/vulcanexus-core-tutorials/27991)

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**Author:** [@Blanca](https://discourse.openrobotics.org/u/Blanca)\
**Replies:** 12\
**Last updated:** [March 22, 2024, 6:36am UTC](https://discourse.openrobotics.org/t/vulcanexus-core-tutorials/27991 "2024-03-22T06:36:56Z")

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Hi everyone, As you know we’ve recently launched Vulcanexus, the All-in-One ROS 2 tool set, and we are working hard on the documentation, that’s why we want to share with you the tutorials that will help you get the mos…

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## [Zero-copy DDS Performance Comparison for RMW Providers in ROS 2](https://discourse.openrobotics.org/t/zero-copy-dds-performance-comparison-for-rmw-providers-in-ros-2/22696)

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**Author:** [@IkerLuengo](https://discourse.openrobotics.org/u/IkerLuengo)\
**Replies:** 6\
**Last updated:** [December 20, 2023, 2:02pm UTC](https://discourse.openrobotics.org/t/zero-copy-dds-performance-comparison-for-rmw-providers-in-ros-2/22696 "2023-12-20T14:02:29Z")

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Hello ROS community! Following the previous DDS middleware comparison on Windows platforms, today we bring you the performance comparison using zero-copy delivery. This benchmark uses the Apex performance test tool to …

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## [ROS2 Inter-distro Communication Issue: Eloquent to Humble with Fast DDS](https://discourse.openrobotics.org/t/ros2-inter-distro-communication-issue-eloquent-to-humble-with-fast-dds/33550)

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**Author:** [@jacob-CyberB](https://discourse.openrobotics.org/u/jacob-CyberB)\
**Replies:** 3\
**Last updated:** [September 14, 2023, 3:54pm UTC](https://discourse.openrobotics.org/t/ros2-inter-distro-communication-issue-eloquent-to-humble-with-fast-dds/33550 "2023-09-14T15:54:19Z")

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Hello ROS community, :wave: :wave: :wave: I am currently facing an inter-distro communication issue between ROS2 installations. Here’s a brief summary of my setup: :man\_technologist: PC Setup: Ubuntu with ROS2 Humble. …

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## [New Vulcanexus Iron Release](https://discourse.openrobotics.org/t/new-vulcanexus-iron-release/32579)

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**Author:** [@Daniel\_Cabezas](https://discourse.openrobotics.org/u/Daniel_Cabezas)\
**Replies:** 0\
**Last updated:** [July 27, 2023, 2:43pm UTC](https://discourse.openrobotics.org/t/new-vulcanexus-iron-release/32579 "2023-07-27T14:43:08Z")

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Hi folks! The new Vulcanexus Iron is out! This new version supports ROS 2 Iron and brings many new features and tools such as the DDS Record and Replay and the DDS Spy. This new version includes: V-CORE: Fast DDS 2.11…

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## [ROS2 QoS Reliability Issue](https://discourse.openrobotics.org/t/ros2-qos-reliability-issue/31700)

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**Author:** [@ciandonovan](https://discourse.openrobotics.org/u/ciandonovan)\
**Replies:** 22\
**Last updated:** [June 5, 2023, 6:18am UTC](https://discourse.openrobotics.org/t/ros2-qos-reliability-issue/31700 "2023-06-05T06:18:20Z")

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ROS2 QoS Reliability Issue tl;dr: using tools such as RViz over WiFi can cause a robot to stall, even when all topics are subscribed using the “best\_effort” policy - seemingly it’s functionally equivalent to the “reliabl…

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## [Announcing REP-2015 - ROS 2 DDS Security PKCS #11 Support](https://discourse.openrobotics.org/t/announcing-rep-2015-ros-2-dds-security-pkcs-11-support/31357)

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**Author:** [@EduPonz](https://discourse.openrobotics.org/u/EduPonz)\
**Replies:** 1\
**Last updated:** [May 19, 2023, 9:00pm UTC](https://discourse.openrobotics.org/t/announcing-rep-2015-ros-2-dds-security-pkcs-11-support/31357 "2023-05-19T21:00:44Z")

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Hi everyone, We are happy to share with you a joint effort between eProsima and Unikie which has resulted in REP-2015, a ROS Enhancement Proposal (REP) aiming to increase ROS 2’s security support by enabling the retriev…

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## [New Vulcanexus Humble Sync](https://discourse.openrobotics.org/t/new-vulcanexus-humble-sync/26088)

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**Author:** [@Daniel\_Cabezas](https://discourse.openrobotics.org/u/Daniel_Cabezas)\
**Replies:** 4\
**Last updated:** [April 27, 2023, 2:26pm UTC](https://discourse.openrobotics.org/t/new-vulcanexus-humble-sync/26088 "2023-04-27T14:26:13Z")

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Hi all! The new Vulcanexus Humble Sync is out. This new version of Vulcanexus, the All-in-One ROS 2 tool set for the easy and personalized development of robotic applications, includes Webots for robot simulation and t…

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## [Vulcanexus available on Docker Hub](https://discourse.openrobotics.org/t/vulcanexus-available-on-docker-hub/29387)

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**Author:** [@Katrin\_Kellner](https://discourse.openrobotics.org/u/Katrin_Kellner)\
**Replies:** 0\
**Last updated:** [January 23, 2023, 5:47pm UTC](https://discourse.openrobotics.org/t/vulcanexus-available-on-docker-hub/29387 "2023-01-23T17:47:20Z")

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This goes out to all Docker Hub users We proudly announce that Vulcanexus is now also available on Docker Hub. Choose the preferred package and start your journey with the all-in-one ROS 2 tool set. You can find all V…

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## [Vulcanexus Tutorial Summary](https://discourse.openrobotics.org/t/vulcanexus-tutorial-summary/29270)

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**Author:** [@Katrin\_Kellner](https://discourse.openrobotics.org/u/Katrin_Kellner)\
**Replies:** 0\
**Last updated:** [January 16, 2023, 4:31pm UTC](https://discourse.openrobotics.org/t/vulcanexus-tutorial-summary/29270 "2023-01-16T16:31:37Z")

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Hello ROS community 2022 we launched Vulcanexus - the all-in-one ROS 2 tool set, and focused especially on comprehensive documentation with lots of tutorials. I wanted to take this moment to thank the community for the…

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## [Fast DDS selected as the ROS 2 Humble Default Middleware](https://discourse.openrobotics.org/t/fast-dds-selected-as-the-ros-2-humble-default-middleware/23374)

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**Author:** [@Jaime\_Martin\_Losa](https://discourse.openrobotics.org/u/Jaime_Martin_Losa)\
**Replies:** 0\
**Last updated:** [December 6, 2021, 9:07pm UTC](https://discourse.openrobotics.org/t/fast-dds-selected-as-the-ros-2-humble-default-middleware/23374 "2021-12-06T21:07:49Z")

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We are proud to announce the ROS 2 TSC members selected Fast DDS as the default middleware for the next release of ROS 2, codenamed Humble. After a careful analysis of the technical evaluation reports provided by Open R…

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## [ROS2-DDS-TSN integration demo by NXP](https://discourse.openrobotics.org/t/ros2-dds-tsn-integration-demo-by-nxp/22776)

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**Author:** [@Daniel\_Cabezas](https://discourse.openrobotics.org/u/Daniel_Cabezas)\
**Replies:** 6\
**Last updated:** [November 24, 2021, 10:37am UTC](https://discourse.openrobotics.org/t/ros2-dds-tsn-integration-demo-by-nxp/22776 "2021-11-24T10:37:39Z")

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Hi ROS community! Today we want to bring your attention to an interesting and hopefully helpful Github repository created by NXP that shows how to integrate DDS and TSN, allowing the modeling of a differential drive veh…

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## [How to track DDS performance in ROS 2](https://discourse.openrobotics.org/t/how-to-track-dds-performance-in-ros-2/22498)

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**Author:** [@Daniel\_Cabezas](https://discourse.openrobotics.org/u/Daniel_Cabezas)\
**Replies:** 1\
**Last updated:** [October 29, 2021, 11:25am UTC](https://discourse.openrobotics.org/t/how-to-track-dds-performance-in-ros-2/22498 "2021-10-29T11:25:26Z")

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Hi everyone! At eProsima we’ve been working on a solution that allows users to monitor the performance of their Fast DDS environments, called Fast DDS Monitor. This new tool can also be used to track the DDS performanc…

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## [DDS Performance Comparison on Windows for RMW Providers in ROS 2](https://discourse.openrobotics.org/t/dds-performance-comparison-on-windows-for-rmw-providers-in-ros-2/22635)

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**Author:** [@Daniel\_Cabezas](https://discourse.openrobotics.org/u/Daniel_Cabezas)\
**Replies:** 5\
**Last updated:** [October 18, 2021, 2:00pm UTC](https://discourse.openrobotics.org/t/dds-performance-comparison-on-windows-for-rmw-providers-in-ros-2/22635 "2021-10-18T14:00:49Z")

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Hello ROS community! Today, we are happy to present to you a DDS middleware performance comparison on Windows platforms. As you may know, RMW providers that compete to be the default provider for the next ROS 2 release…

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## [Wifi & Lossy networks Solutions: Flow controllers](https://discourse.openrobotics.org/t/wifi-lossy-networks-solutions-flow-controllers/22594)

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**Author:** [@Daniel\_Cabezas](https://discourse.openrobotics.org/u/Daniel_Cabezas)\
**Replies:** 0\
**Last updated:** [October 7, 2021, 3:23pm UTC](https://discourse.openrobotics.org/t/wifi-lossy-networks-solutions-flow-controllers/22594 "2021-10-07T15:23:09Z")

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Hi everybody! Just wanted to share with you the new Fast DDS feature Flow Controllers, a solution designed to avoid bursts of data that could collapse your network when using wifi and lossy network solutions. This mech…

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## [eProsima is launching Integration Service v3.0.0](https://discourse.openrobotics.org/t/eprosima-is-launching-integration-service-v3-0-0/20515)

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**Author:** [@mamerlan](https://discourse.openrobotics.org/u/mamerlan)\
**Replies:** 1\
**Last updated:** [June 23, 2021, 1:35pm UTC](https://discourse.openrobotics.org/t/eprosima-is-launching-integration-service-v3-0-0/20515 "2021-06-23T13:35:56Z")

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eProsima Integration Service is an open source product that enables the intercommunication of numerous protocols that speak different languages. Easily configurable Support for IDL 4.2 and xTypes Easy to extend to new …

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## [Big differences on network traffic generated depending on the DDS implementation used](https://discourse.openrobotics.org/t/big-differences-on-network-traffic-generated-depending-on-the-dds-implementation-used/19398)

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**Author:** [@marcogg](https://discourse.openrobotics.org/u/marcogg)\
**Replies:** 0\
**Last updated:** [March 11, 2021, 8:03am UTC](https://discourse.openrobotics.org/t/big-differences-on-network-traffic-generated-depending-on-the-dds-implementation-used/19398 "2021-03-11T08:03:44Z")

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I was checking some bandwidth metrics on rmf\_demos and came across some big differences between bandwidth usage depending on the DDS implementation that I used. These are the measurements of bandwidth on the loopback int…

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## [ROS 2 Native 5G Support from Ericsson and eProsima](https://discourse.openrobotics.org/t/ros-2-native-5g-support-from-ericsson-and-eprosima/17705)

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**Author:** [@Jaime\_Martin\_Losa](https://discourse.openrobotics.org/u/Jaime_Martin_Losa)\
**Replies:** 2\
**Last updated:** [December 4, 2020, 10:56pm UTC](https://discourse.openrobotics.org/t/ros-2-native-5g-support-from-ericsson-and-eprosima/17705 "2020-12-04T22:56:03Z")

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5G is on the news: 5G routers, mobiles, telephony networks support… it is here already. Any communications middleware can use 5G as a data link, and ROS 2 is going to work “out of the box” in these networks, but Ericsso…

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## [Fast DDS reaching the highest quality level: QL1!](https://discourse.openrobotics.org/t/fast-dds-reaching-the-highest-quality-level-ql1/17638)

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**Author:** [@Jaime\_Martin\_Losa](https://discourse.openrobotics.org/u/Jaime_Martin_Losa)\
**Replies:** 2\
**Last updated:** [December 4, 2020, 11:28pm UTC](https://discourse.openrobotics.org/t/fast-dds-reaching-the-highest-quality-level-ql1/17638 "2020-12-04T23:28:32Z")

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We are pleased to announce Fast DDS is reaching QL1. During the last month we have been working very hard on increasing the code coverage, the last step we were missing to declare QL1. We now have a code coverage policy …

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## [Fast DDS & ROS 2 Galactic: Solutions for lossy networks](https://discourse.openrobotics.org/t/fast-dds-ros-2-galactic-solutions-for-lossy-networks/17559)

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**Author:** [@Jaime\_Martin\_Losa](https://discourse.openrobotics.org/u/Jaime_Martin_Losa)\
**Replies:** 0\
**Last updated:** [November 25, 2020, 2:37pm UTC](https://discourse.openrobotics.org/t/fast-dds-ros-2-galactic-solutions-for-lossy-networks/17559 "2020-11-25T14:37:40Z")

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Lossy networks, such as the typical wifi with low intensity or congestion problems can be a real headache. In Foxy, we optimized Fast DDS/ROS 2 default discovery and we also developed the ROS 2 Discovery Server to speed …

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## [Fast DDS & ROS 2, Micro-ROS and Visual-ROS: Our plan for Galactic](https://discourse.openrobotics.org/t/fast-dds-ros-2-micro-ros-and-visual-ros-our-plan-for-galactic/17637)

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**Author:** [@Jaime\_Martin\_Losa](https://discourse.openrobotics.org/u/Jaime_Martin_Losa)\
**Replies:** 0\
**Last updated:** [November 30, 2020, 4:06pm UTC](https://discourse.openrobotics.org/t/fast-dds-ros-2-micro-ros-and-visual-ros-our-plan-for-galactic/17637 "2020-11-30T16:06:45Z")

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Some days ago we announced our Plan for ROS 2 Galactic, a set of solutions for lossy networks, and today you can read about the roadmap of Micro-ROS in this post. We are going to complete our bet with a new tool: Visual…

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## [A review of the new tools available for ROS 2 Foxy and Fast DDS](https://discourse.openrobotics.org/t/a-review-of-the-new-tools-available-for-ros-2-foxy-and-fast-dds/17520)

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**Author:** [@Jaime\_Martin\_Losa](https://discourse.openrobotics.org/u/Jaime_Martin_Losa)\
**Replies:** 4\
**Last updated:** [November 30, 2020, 8:34pm UTC](https://discourse.openrobotics.org/t/a-review-of-the-new-tools-available-for-ros-2-foxy-and-fast-dds/17520 "2020-11-30T20:34:06Z")

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I wanted to recap, as in the latest months we have developed plenty of new features and tools you can use with the latest version of ROS2: Foxy. Shared Memory Transport: The best performance for intra and interprocess c…

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