RE: [ebxmlms-general] Text vs. binary payload

[Steven H. <sh...@te...>]

According to what documentation I have handy with me, binary information in a soap message is base 64 encoded - which is logical,
you have to ensure that the binary data doesn't break the xml envelope its transmitted in.

Since Base64 encoded takes up about 33% more space than the orginal data I'd say that explains the timing differences.

If you are doing the messaging over SSL, then you'll also be taking a bandwidth hit for that (quite apart from the encryption
computational overhead)

-----Original Message-----
From: ebx...@li... [mailto:ebx...@li...] On Behalf Of R. van Kuijk
(Ronald)
Sent: Friday, 30 September 2005 5:09 PM
To: ebx...@li...
Subject: RE: [ebxmlms-general] Text vs. binary payload

I agree, but is the difference really in the 7 or 8 bit? Or is it because binary data is often base64 encoded before transmission?
(or is that the 'CRC' as you put it ;-))

Ronald 

-----Oorspronkelijk bericht-----
Van: ebx...@li...
[mailto:ebx...@li...] Namens David Webber
(XML)
Verzonden: donderdag 29 september 2005 4:19
Aan: ebx...@li...
Onderwerp: Re: [ebxmlms-general] Text vs. binary payload

Patrick,

It's much more likely to be a behaviour of the router and the network hardware.

7bit ASCII goes faster over any network infrastructure.  8bit binary has much more CRC and transmission overhead (upto 30% larger
than the actual bit count sent).

So my guess is - if the binary takes 30% longer - its the network overhead.

DW

----- Original Message -----
From: "Patrick Yee" <kc...@ce...>
To: <ebx...@li...>
Sent: Wednesday, September 28, 2005 4:19 AM
Subject: Re: [ebxmlms-general] Text vs. binary payload


> Sorry we don't have an explanation on that. Actually we treat text
> content and binary content equally, they are all garbage-in
garbage-out.
> You can try to configure Content-Transfer-Encoding settings (like
> base64) in msh.properties.xml. It makes the Hermes handle the payload
> using some encoding algorithms. Maybe you can find out some clues from
that.
>
> Regards, -Patrick
>
>
> em...@og... wrote:
>
> >
> > It seems that it takes a longer time to send a binary attachment
when
> > compared with an attachment of text content.  Any one has this
> > experience and is it the normal behaviour of the ebMS
Implementation.
> >
> > Thanks!
>
>
>
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