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Re: [xml-dev] Is it time for the binary XML permathread to startup again?

Hi Roger,

1. Compression/decompression times are usually quite fast - time on the 
wire is usually quite slow so even for relatively small documents, 
compression/decompression is worthwhile. In fact this applies across 
lots of uses, not just XML. Even Gbit networks benefit from this.

2. Not all XML is sent from a web server so that point is really not 
relevant.

Regards
Rick

Costello, Roger L. wrote:
> Hi Folks,
>
> I have collected the various comments and organized them into the
> appropriate slots.
>
>
> When sending an XML document across the wire, here are the main
> choices:
>
> 2. Compress the XML document using a compression tool such as WinZip or
> Bzip, and then send the compressed document.
>
> Comment: a compressed format is not in the same space nor purpose as a
> binary format.  A long (XML text) document can still be long in binary
> format, but readily parsed efficiently by a binary parser, while a
> compressed format aims solely for compression efficiency regardless of
> parsing difficulty.
>
> Adv: it helps in sending large files quickly by shrinking the size of
> the file.
>
> Disadv: overall processing from sender (encoding side) to receiver
> (decoding
>         side) becomes longer (for given constant CPU speed) due to
> extra
>         overhead of compression and decompression.
>
> WinZip and Bzip reduces the size of the document on the wire but
> usually increases processing time
>
> Zip can be used with any XML document
>
> 3. Use the compression capabilities inherent in HTTP (gzip content
> encoding, i.e. http+gzip)
>
> Adv: The compression is done automatically and pretty much every web
> server and client now supports this.
>
>
> /Roger
>
>
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