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FIX/SBE - OSI layer 6 presentation for encoding and decoding application messages in binary format for low-latency applications.
Message schema for FIX Simple Binary Encoding
Version: 1.0 Draft Standard
© Copyright 2014-2016 FIX Protocol Limited
License: Creative Commons Attribution-NoDerivatives 4.0 International Public License
Root of XML document, holds all message templates
and their elements
More than one set of types may be provided.
Names must be unique across all encoding
types.
Encoding types may appear in any order.
Unique ID of a message schema
The version of a message schema. Initial version
is 0.
Application layer specification version, such as
FIX version 'FIX.5.0SP2'
Name of the encoding type of the message header,
which is the same for all messages in a schema. The name has a
default, but an encoding of that name must be present under a
'types' element.
A message type, also known as a message template
Base type of message and repeating group entry
Fixed-length fields
Variable-length fields
Unique ID of a message template
Space reserved for root level of message, not
include groups or variable-length
data elements.
A repeating group contains an array of entries
Simple wire encoding consisting of a primitive type
or array of primitives
Override of default null indicator for the data
type in SBE specification,
as a string.
A wire encoding composed of multiple parts
An enumeration of valid values
Valid value as a string
A reference to any existing encoding type (simple type, enum or set)
to reuse as a member of a composite type
A multi value choice (encoded as a bitset)
A choice within a multi value set. Value is the
position within a bitset (zero-based index).
A field of a message of a specified dataType
Must match the name of an encoding contained by
'types' element
Deprecated - only for back compatibility with RC2
Application layer class. Maps a field or encoding
to a FIX data type.
Schema versioning supports message extension
The schema version in which an element was added
The version of the schema in which an element was
deprecated. It is retained for back compatibility but should no
longer be used by updated applications.
Offset from start of a composite type or block
as a zero-based index.
The value must always be populated
Value may be set to nullValue for its data type
Value does not vary so it need not be
serialized on the wire
A constant value as valid value of an enum
in the form enum-name.valid-value-name