Used by capital markets firms globally

What's new

Aeron Sequencer: A reference overview

Learn how Aeron Sequencer solves critical capital markets challenges, the distributed-systems principles behind it, its core architecture, and how it differs from other sequencer designs.

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Version 1.52.0 released

Aeron 1.52.0: container-aware CPU affinity, debug log rotation, a new LogInspector CLI, and lower latency in replay workloads. See what changed.

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Tech Deep Dive: State Machine Replication in Practice

In this technical deep dive, recorded at our last Aeron Meetup in London, Martin Thompson shares how a replicated state machine design can replace much of the complexity that accumulates in traditional microservice architectures.

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An Introduction to Aeron

For people new to Aeron who want a clear technical overview of where this tech fits and what it does. In 30 minutes, Aeron developers walk you through the open-source stack powering some of the most demanding workloads in capital markets: from market data distribution to order management, both on-prem and in the cloud.

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Aeron and QuestDB: building open infrastructure for capital markets data

Open capital markets data infrastructure with Aeron and QuestDB for low-latency trading, SQL analytics, and audit-ready replay.

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What’s new in Aeron: Highlights from the London Meetup 2026

Learn about Aeron 1.49.0 and 1.50.0 enhancements, incl. named Archive and Cluster clients, Aeron response channels over IPC, standalone C++ API removal and the benefits of Persistent Subscriptions; a new open-source feature.

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Open-source & sponsored by Adaptive.
The Aeron suite of software components includes:

Aeron Transport

High-performance messaging with microsecond latency and extremely high throughput.

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Aeron Cluster

Fault tolerant service container for distributed state replication.

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Aeron Archive

Zero message loss through reliable, ultra-fast data storage and message replay.

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Aeron Key Features

  • Low Latency Less than 100 μs in the cloud and 18 μs on physical hardware.

  • Highest Throughput Over 1 million msg/sec at microsecond latency.

  • Runs Anywhere On-premises, in the cloud and at co-location facilities.

  • 24/7 Availability Hot system upgrades & automatic failover for zero system downtime.

  • Brokerless Reduce hardware & OPEX costs associated with broker-based systems.

  • Easy to Implement Spend more time on valuable business logic and less on technical infrastructure.

  • Resilient Robust fault tolerance for mission-critical applications.

  • Secure End-to-end encryption for secure low-latency message communication.

Aeron Sequencer

Build your trading platform on the world’s best trading infrastructure.

Aeron Sequencer brings proven replicated state machine architecture to capital markets.

  • Accelerate time-to-market
  • Enable 24/7 market operations
  • Scale development
  • Reduce risk & cost of ownership
  • Ensure regulatory compliance
  • Power business growth
  • Gain business agility through application portability

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We partner with

Aeron Premium

For business or enterprise use!

Take your Aeron implementation to the next level.

  • Complete support with enterprise-level SLA
  • Additional Aeron software components
    – Aeron Transport Security
    – Aeron Transport Kernel Bypass
    – Aeron Cluster Warm Standby
  • Architectural design consulting
  • Developer resources
  • Discounted rates for training courses & professional services

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