Aeron and QuestDB: building open infrastructure for capital markets dataOpen 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 2026Learn 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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Persistent Subscriptions: Managing live and replay transitions in AeronDiscover how Aeron’s new Persistent Subscriptions let late‑joiners switch seamlessly between replay and live streams over UDP or IPC, add automatic slow‑consumer recovery via a clean API, and match ReplayMerge latency with only a modest memory increase.
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Version 1.51.0 releasedAeron 1.51.0 adds a new feature sponsored by Nonco, which is included in the open source version: Persistent Subscriptions, for seamless live/historical streams. This release also includes new C/C++ client APIs for async control, and stricter protocol and cluster reliability.
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The CME-Google Cloud acceleration: why market makers need to speed up cloud migration and how to bridge the cloud performance gapCME’s accelerated Google Cloud move forces market makers to fast-track low-latency migration; Aeron closes the cloud performance gap with sub-20µs messaging.
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Adaptive announces strategic investment from HSBC and CitiFunding will accelerate our technical roadmap, driving performance innovations and cementing Aeron® as the open-source cornerstone of modern trading infrastructure.
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Aeron TransportHigh-performance messaging with microsecond latency and extremely high throughput.
Aeron ArchiveZero message loss through reliable, ultra-fast data storage and message replay.
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.
Build your trading platform on the world’s best trading infrastructure.
For business or enterprise use!
