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Subject: Re: [regrep] Final draft recommendations for CC's and Registry -UML/UMM Profile for CCTS

Chiusano Joseph wrote:

>Why am I getting a 1999 flashback here? :)
The year of the man formally known as .....

1999 is actually an interesting date for many comparisons between bulky 
XML formats and slim binary formats. I conducted  an invited 
presentation for OMG in Norway re. a comparison between Corba IIOP, CDR  
vs XML  This was based on the research on XIOP (IIOP using XML) the BML 
Binary MarkupLanguage I was doing.

It turned out that XML could be up to, more than 10x, bulkier and 10x 
slower than CDR encodings. An interesting observation is that XML 
continues to be textual and binary XML is still being investigated. 
Another observation is that ZIP, GZIP, BZIP etc all are relativly good 
compresors for XML based files.

Lessons learned: select the tools,principles one needs. If one needs 
speed, select, cdr, asn1, tlv and select xml for generic information 
markup formats.


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