Morgan Stanley has developed lightweight C++ implementation that supports most of the encoding/decoding features of FAST protocol. The implementation also supports loading FAST configuration from an XML file. They are planning to open source the code.
The Financial Information eXchange (FIX) Protocol is a messaging standard developed specifically for the real-time electronic exchange of securities transactions. FIX is a public-domain specification owned and maintained by FIX Protocol, Ltd.
Market Data Definition Language (MDDL) is an XML-based interchange format and common data dictionary on the fields needed to describe 1) financial instruments, 2) corporate events affecting value and tradability and 3) market-related, economic, industry
