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acknowledgements for ansi/nist-itl 1-2011 - NIST Visual Image ...

acknowledgements for ansi/nist-itl 1-2011 - NIST Visual Image ...

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ANSI/<strong>NIST</strong>-ITL 1-<strong>2011</strong> - UPDATE 2013 DRAFT VERSIONencoding rules.5.2 Size of a transactionAlthough the 2007 and 2008 versions of the standard stated “... there is no upper limit onthe number of logical records that may be present in a file...” there was an effective upperlimit due to the field size limits specified in the 2007 version (but not the 2008 version).This limit was 3 ASCII 11 characters <strong>for</strong> the in<strong>for</strong>mation item holding the total number ofrecords of Type 2 through 99; thus an upper limit of 999 such records. With the additionof a Type-1 record, the maximum number of records in a transaction was thus restrictedto 1000. This upper limit of 1000 records is maintained in the <strong>2011</strong> version of thestandard to ensure backward compatibility with the 2007 version.5.3 Record typesA transaction is comprised of records. The standard currently supports several differentbiometric [2013a> and <strong>for</strong>ensic [

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