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FIX Adapted for STreaming(SM)

FAST Protocol(SM)

The FAST Protocol (SM) is developed, maintained and supported by the FIX Trading Community's  Market Data Optimization Working Group. The protocol is intended to enable efficient use of band width in high volume messaging without incurring material processing overhead or latency. The protocol was developed as a result of the Market Data Optimization Working Group's  Proof of Concept  (POC) project to explore various methods of optimized data representation within the FIX Protocol.

FAST Protocol Specification

FAST Session Control Protocol

FAST Reference Code

  • FAST Protocol - Reference Code Reference source code for the FAST Protocol (CODEC and SERDES). This source is provided on an open source basis via the W3C Software License (you will be prompted to accept prior to downloading). C and C# versions are available.

FAST User Guides

FAST Interoperability Portal

FAST Interoperability Portal
FIX Trading Community provides the FAST Interoperability Portal to assist implementers of the FAST protocol in making sure their implementation will interoperate with other FAST implementations. The site supports FAST 1.1, SCP 1.0, and SCP 1.1. There are two modes the site can be used, the first is via uploading and downloading of templates and unencoded or encoded data files. The second mode is an interactive mode that uses the FAST Session Control Protocols over a TCP/IP sockets connection to test your application.