RA Cheetah FIX Engine – C# FIX Engine | Java FIX Engine | .Net FIX Engine

The RA–Cheetah™ FIX engine is the highest performing messaging engine for the FIX protocol. Whether you need a low-latency .NET / C# FIX engine or a low-latency Java FIX Engine, RA-Cheetah™ provides the lowest-latency FIX Engine available on the market today.

For: Exchanges & MTF’s, Sell- Side, Buy- Side, Transaction Hubs, ISV’s

How RA-Cheetah FIX engine enhances your trading capability:


  • Increases messaging throughput; a single instance of RA-Cheetah FIX engine can process significantly more messages than any competitor
  • Fullly scalable to meet your needs


  • Consistent low-latency message delivery with no nasty outliers
  • Ultra low-latency with consistent measurement
  • Continually optimised to further enhance performance, typically we are 35x faster than other FIX engines
  • The only FIX vendor to conduct a continual program of testing in Intel's Low-Latency Labs


  • Higher performance from commoditised hardware
  • Lower systems and operational costs
  • Higher transaction volume processing = lower data centre footprint
  • Reduced energy consumption: greener footprint
  • Reduced Total Cost of Ownership (TCO)
  • Accelerated return on investment (ROI)

Operational Flexibility:

  • Simplicity
  • Full in-flight session independence
  • Full transport independence
  • FIX repository-driven
  • All versions of FIX-out-of-the-box from 4.0 to 5.0 (all service packs)
  • Ease of integration & customisation (integration in days, not months)
  • Supports local dialects and customised repositories
  • Platform independent - available as a .NET/C# FIX Engine and as a Java FIX Engine
  • Fully compatible with all FAST engines
  • Support for direct integration with .NET and Java applications
  • All versions can be run on Windows, Linux, UNIX, and Apple Mac
  • C# version is "out-of-the-box" deployable as a stand-alone Windows service

FIX Engine Features:

  • Multiple logging options including; log to database, file, bespoke storage devices, and, of course, no logging
  • Supports multiple sessions with different service windows
  • Supports non-standard dialects and customisations
  • Utilises FPL’s repository updates so new FIX releases are supported immediately
  • Customisations applied quickly through configuration; no code updates
  • Sample open source messages included as standard
  • Supports TCP or UDP
  • Supports multiple transports, including FIXT1.1
  • Support for FIXML
  • Available as a .NET/C# FIX engine or a Java FIX Engine
  • Ability to support EMX

What is FIX:

Find out more about FIX here.

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and our registered office is at International House, 1 - 6 Yarmouth Place, London W1J 7BU, United Kingdom
Telephone : +44 (0) 20 7993 9906