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Re: [DotGNU]Re: Why DotGNU should use Jabber

From: Adam Theo
Subject: Re: [DotGNU]Re: Why DotGNU should use Jabber
Date: Thu, 04 Apr 2002 15:42:07 -0500
User-agent: Mozilla/5.0 (X11; U; Linux i586; en-US; rv:0.9.9) Gecko/20020313

Gopal.V wrote:
If memory serves me right, John wrote:

Now, if the data was binary, Jabber could still help by doing the
metadata associated with that binary data, such as sending/receiving the
searches and queries, setting up sessions, negotiating agreements and
privacy contracts, etc... Jabber cannot do the binary itself due to a
flaw in XML itself, not Jabber.

This is probably an elementary question, but...

Can the Jab-protocol transport binary encoded by stuffing it in between
tags defined to hold CDATA in a custom namespace? (not proposing a
method Xhex, UU, all the same to me)

        Base64 ?. (XMLRPC has a Base64 type tag -- so I assumed this much).

Yes, Base64 (otherwise known as MIME) can be used in Jabber. And we have considered using Base64 to solve the binary problem. But we ultimately decided not to, since Base64 is very "clunky", so we decided to make out own. Jeremie Miller, father of Jabber, created XATP [], for embedding binary data in XML. it is not w3c approved, but we are doing it anyway :-)

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