Table of Contents

FOREWORD
1 SCOPE
2 NORMATIVE REFERENCE(S)
3 DEFINITIONS
4 GENERAL OPERATION
   4.1 ENCODER
   4.2 DECODER
5 FUNCTIONAL REQUIREMENTS
   5.1 REQUIREMENTS FOR ERROR CORRECTING PROCEDURES
   5.2 COMPRESSION FUNCTION ERROR DETECTION
6 SUPPORTING STRUCTURES
   6.1 DETERMINATION OF DATA COMPRESSION PARAMETERS
   6.2 DEFAULTS, RANGES, AND INITIAL VALUES
7 PROCEDURES FOR DICTIONARY USE AND MAINTENANCE
   7.1 GENERAL
   7.2 DICTIONARY IMPLEMENTATION TECHNIQUES (OPTIONAL
        SECTION)
   7.3 DICTIONARY INITIALIZATION PROCEDURE
   7.4 STRING MATCHING PROCEDURE
   7.5 PROCEDURE FOR ADDING STRINGS TO THE DICTIONARY
   7.6 STRING PROCESSING EXAMPLES
   7.7 PROCEDURE FOR RECOVERING A DICTIONARY ENTRY
8 OPERATION OF THE ENCODING FUNCTION
   8.1 GENERAL
   8.2 INITIAL CONDITIONS
   8.3 STRING MATCHING
   8.4 ENCODING
   8.5 TRANSFER
   8.6 DICTIONARY UPDATING
   8.7 NODE RECOVERY
   8.8 DATA COMPRESSIBILITY TEST
        8.8.1 Transition to compressed mode
        8.8.2 Transition to transparent mode
        8.8.3 RESET function
        8.8.4 End of data
9 OPERATION OF THE DECODING FUNCTION
10 COMMUNICATIONS BETWEEN PEER DATA COMPRESSION FUNCTIONS
   10.1 CONTROL CODEWORDS AND COMMAND CODES.
   10.2 PROCEDURES FOR USE OF THE ESCAPE SEQUENCE
ANNEX A (INFORMATIVE) IMPLEMENTATION ISSUES
   A.1 INTRODUCTION
   A.2 CRITERIA FOR SELECTING ANSI X9.32
        A.2.1 DATA TYPES
        A.2.2 DATA LENGTH
   A.3 OPTIMIZATION OF THE ALGORITHM'S PARAMETERS
   A.4 COMPARISONS
        A.4.1 X9.32 VERSUS CHARACTER ORIENTED ALGORITHMS
        A.4.2 X9.32 VERSUS ITU-T V.42BIS
   A.5 CONCLUSIONS
        A.5.1 BENEFITS
        A.5.2 IMPACTS
ANNEX B (NORMATIVE) STATIC SHIFT OPTION
   B.1 COMMON ENCODER AND DECODER REQUIREMENTS FOR SSO
   B.2 ENCODER REQUIREMENTS
   B.3 DECODER REQUIREMENTS

Abstract

Establishes a method for the compression, decompression, and related control functions associated with the electronic transmission of financial data.

General Product Information

Published
Document Type	Standard
Status	Current
Publisher	American Bankers Association
Pages
ISBN
Committee	X9