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RE: X12 vs: XML File Sizes
I didn't want to revisit the XML wars of old. Please, let's not go there.
I agree with you and Rachel on all of your points(I usually do).
I'm not so much interested in any "standard" as long as the content is
preserved.
If anyone who feels like answering the question posed, would like to include
the additional information regarding how said XML is structured, again, that
would be welcome.
In answer to your inquiry about what use I might have for it... I'd have to
say, all of those you list and maybe more.
Martin A. Morrison ¿¯¯)
HIPAA Project Manager
Blue Shield of California
4203 Town Center Bl., Ste. D1
El Dorado Hills, Ca 95762
Ph: (916) 350-8808 Fx: (916) 350-8623
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-----Original Message-----
From: Bill Chessman [mailto:
Sent: Friday, December 20, 2002 1:35 PM
To:
Subject: RE: [EDI-L] X12 vs: XML File Sizes
I agree with Rachel.
Which leads me to some other XML-related thoughts...
As far as XML "standards" are concerned, I would wonder exactly which
"standard" a person would convert X12 data to...? There is no approved
"standard" X12 XML definition as of yet (unless I'm hopelessly out of
touch...it could happen!).
There's a great quote that I think of often though I don't know the original
source. It goes like this (approximately): "The best thing about standards
is that there are so many to choose from." Whoever came up with the remark
must have been thinking of XML. Everybody and their brother appears to be
creating new XML "standards" though in reality the word "specification"
might be more accurate if perhaps overly optimistic. Anybody who creates a
DTD can call it a "standard" and many do.
Having said that, the size of the expansion is going to depend in large part
on your chosen "standard" design. Do you use long, "human readable" tags?
Do you replace codes with human readable text? Do you rearrange the data in
a way that makes it more "human readable" from a logical flow perspective?
Do you use attributes to give enhanced meaning? I could go on and on...
Depending on which design features your "standard" has, the increase could
be 2X, 10X, 50X...etc.
As a final question, assuming you're not using XML to transmit your HIPAA
transactions, what are you using the XML for? Pretty displays? Database?
Troubleshooting? The ability to claim bleeding-edge technology adoption?
Okay, I guess this borders on a rant. But I feel better. Don't you? 8-)
Best regards,
Bill Chessman
Inovis(tm), Inc. (formerly Harbinger and Extricity)
(Insert standard disclaimer with respect to opinions expressed here.)
-----Original Message-----
From: Rachel Foerster [mailto:
Sent: Friday, December 20, 2002 1:10 PM
To:
Subject: RE: [EDI-L] X12 vs: XML File Sizes
Just keep in mind that the only "legal" data exchange format between covered
entities for HIPAA transactions is according to the X12 specifications
embodied in the HIPAA guides adopted by the Department of Health and Human
Services. No other exchange format, including XML, is allowed under HIPAA.
So the issue of transaction volume bloat is a non-issue as far as HIPAA
transactions go.
Rachel Foerster
Principal
Rachel Foerster & Associates, Ltd.
Professionals in EDI & Electronic Commerce
39432 North Avenue
Beach Park, IL 60099
Voice: 847-872-8070
Fax: 847-872-6860
eMail:
http://www.rfa-edi.com
-----Original Message-----
From: OLIVOLA Peter [mailto:
Sent: Friday, December 20, 2002 2:16 PM
To:
Subject: RE: [EDI-L] X12 vs: XML File Sizes
Our experience in writing XML standards for a group of transactions, using
the most efficient XML techniques, is that a document grows by a factor of
10. This can be reduced a bit if you forego all visual formatting of the
raw document and rely exclusively on screen/print templates for visual
presentation. However, at some point, it will be necessary to debug
document contents in raw form so this isn't a practical approach and it
creates documents that can be as arcane to read as X12.
If you are in any way bandwidth bound XML will be a major headache. If you
have the bandwidth and don't already have a large investment in X12 it will
be a faster implementation than trying to do X12. Converting from X12 to
XML is not easily cost justified. It usually happens for the same reason
most people got into EDI in the first place; customer or regulatory
requirements.
Peter G. Olivola
Effective Data, Inc.
1515 E. Woodfield Rd.
Suite 770
Schaumburg IL 60173
847 969 9300
708 829 3185 (cell)
847 969 9350 (fax)
-----Original Message-----
From:
[mailto:
I know I've seen some posts in this forum, on this (way back), but am
looking for any real-world metrics now that we have more experience in the
XML sub-genre.
I'm looking for information about how much, on average, a typical X12 file
grows when converted to XML. Specifically, for the HIPAA implementations of
X12 transactions.
I'm hearing unqualified reports of 80% bloat which is a far cry from the
3000 percent growth I seem to recall from the previous discussions.
I think those earlier figures were based on ordered pair implementations.
Any information would be greatly appreciated.
If you could qualify the information with which XML
implementation/schema/DTD is involved, that would be helpful.
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