FIX Adapted for STreamingSM (FAST ProtocolSM) Specifications


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Current FAST Protocol Specifications

FAST Extension Version 1.2 (FAST 1 2 Extension v10.pdf, 119KB)
This document includes the 1.2 extensions to the FAST protocol which were largely driven by feedback from implementers and increased functionality for FIX over FAST.
[13 February 2009]
FAST Specification Version 1.1 (FAST Specification 1 x 1.pdf, 472KB)
This document defines the structure and semantics of FAST, which is a binary encoding method for message oriented data streams. FAST is an acronym for FIX Adapted for Streaming.
[22 December 2006]
FAST Session Control Protocol (SCP) Specification v1.00 (FAST_SessionControlProtocol_v1.00.pdf, 323KB)
The FAST Session Control Protocol specification describes how to establish a basic FAST session in order to seamlessly exchange FAST encoded messages. SCP v1.00 represents the final update to this version. Further changes or enhancements will be included in a future release point release.
[2 June 2006]

Old FAST Protocol Specifications

Field Encoding Specification Version 1.0 (FAST%20Field%20Encoding%20Specification%201.0.pdf, 158KB)
Version 1.0 of the Field Encoding Specification describes field-level operations used to reduce redundant information carried in a data stream.
[21 February 2006]
Transfer Encoding Specification Version 1.01 (FAST%20Transfer%20Encoding%20Specification%201.0.2.pdf, 226KB)
Version 1.01 of the Transfer Encoding Specification describes the serialization processs used to reduce the size of a data stream as it traverses the wire.
[6 March 2006]