What’s New

From principles to practice: operating sequenced distributed systems in capital markets

Move from principles to practice. Compare non‑gating, gating, and consensus sequencers, and see how ordered logs and deterministic state machines deliver consistency, fast recovery via snapshots, and tight p99 latency for trading systems.

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Building high-performance, resilient distributed systems for capital markets

Explore how distributed, resilient, high‑performance trading systems deliver 24/7 availability—scaling to millions of msgs/sec—using sequencer architectures, rolling upgrades, and seamless failover to keep capital markets always on.

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Now Live: Aeron Premium Documentation

The Aeron Premium documentation site is now live, providing in-depth technical details on Aeron’s premium software components, including architecture diagrams, changelogs, sample code, and configuration files.The page is designed to help you evaluate, integrate, and get the most out of Aeron Premium features.

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Aeron Community MeetUps:
Spring Roadshow 2026

12 March in London & 26 March in New York
Join us for the latest updates and releases on Aeron, a technical deep dive into state machine replication, guest speaker sessions and networking after-event. Spots are limited, registration is now open.

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BLOX Markets Integrates Aeron® to Power its Upcoming Retail-Focused U.S. Equities Trading Venue

BLOX Markets announced the integration of Aeron into the architecture of Openpool, its upcoming retail focused U.S. equities trading venue. Aeron will provide high performance messaging capabilities and ensure system resilience and high availability.

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On-demand Webinar: Architecting 24×7 Capital Markets with High-Availability Sequencer Designs

Our latest webinar on how to tackle one of the toughest architectural mandates in Capital Markets: Uninterrupted 24x7 Operations. The session demystifies the advanced techniques that enable true 24x7 operations at scale. Watch now on-demand.

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Version 1.49.0 released!

Aeron’s latest release enhances trading technology's performance and observability. With new IPC support for response channels, async counter creation, and improved client identification, capital markets can now achieve even greater speed, reliability, and transparency in their trading systems.

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Industry Research: Tech Deployment Patterns in Capital Markets

Adaptive and Markets Media surveyed 50 capital‑markets professionals to benchmark modernization: on‑prem to hybrid/cloud (~80% front‑office in 2–3 years), AI/cloud/open‑source adoption, in‑house vs vendor provisioning, and distributed decision authority.

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Rapid Addition’s CTO, Deepak Dhayatker on Powering Ultra-Low-Latency Trading with Aeron

Explore how Deepak Dhayatker leverages Aeron for secure, high-performance ultra-low-latency trading infrastructure at Rapid Addition.

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EDX Markets – Building a fault-tolerant, low-latency exchange with Aeron in 7 months

Chris Walsh, Head of Trading Systems, shares how the exchange uses Aeron Cluster and Hydra to achieve RTT of 73 μs and zero unplanned outages to date. Leveraging a three-node Aeron Cluster setup for high availability and fast failover, EDXM built their exchange platform in 7 months.

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On-demand Webinar: Deep Dive into Sequencer Architectures

Watch our on-demand webinar on sequencer architecture setups and how to support crucial quality attributes, incl. consistency, resilience, performance & availability.

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Rapid Addition: Building high-performance trading infrastructure with Aeron

At our recent Aeron MeetUp in London, Deepak Dhayatker, CTO at Rapid Addition, explains how the firm tackled real-world trading infrastructure challenges, leveraging Aeron for predictable microsecond latency, reliable delivery, and seamless scaling.

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Aeron Q&A – Highlights from NY & London 2025

Our Aeron developers & co-creator Todd Montgomery answer pressing questions about Aeron and trading system design at the Aeron Meetups. From the impact of clustering on latency and managing slow consumers to the benefits of using Java and the future of multi-language support, listen in for insights and detailed responses.

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Technical Deep Dive: Flow Control and Back Pressure in Distributed Systems

Learn about advanced flow control and back pressure strategies—such as sliding windows, asynchronous APIs, and state machines—used to optimize reliability and throughput in distributed trading systems.

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Aeron MeetUp Recording: What’s New – June 2025

Learn about Publication Revoke for immediate stream cleanup, Image Reject for dynamic resource control, and new mechanisms to prevent dormant client interference. Full C/C++ archive client API parity is now also available. Explore new premium tools and see what's on the roadmap.

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On-demand Webinar: Building Distributed Systems in Capital Markets

Watch our 30-min on-demand webinar on distributed systems for capital markets: The evolution of trading system architectures & the pressures on modern tech stacks.

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Aeron available in Google Cloud Self-paced Lab

Learn how to run Aeron Messaging in Google Cloud and run a basic deployment of Aeron Cluster to demonstrate high availability deterministic message handling, node to node communication, failover and recovery, admin commands and basic messaging.

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Version 1.48.0 released!

Here are some of the highlights: Aeron v.1.48.0 offers immediate resource release, session rejection, improved client connections, GA status for response channels and C/C++ APIs, per-stream NAK counters, and various enhancements.

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