From 665a52c82cb940898e471df5d3db2232be389c8e Mon Sep 17 00:00:00 2001
From: unknown <pwa01@LTW7166.YODA.UTOPIA.LOCAL>
Date: Tue, 12 Aug 2014 10:48:36 -0400
Subject: [PATCH] Added a nr attribute to the chunk message element.

---
 xep-0332.xml | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/xep-0332.xml b/xep-0332.xml
index 33d3e265..2b294ff6 100644
--- a/xep-0332.xml
+++ b/xep-0332.xml
@@ -33,6 +33,14 @@
             <jid>peter.waher@jabber.org</jid>
             <uri>http://www.linkedin.com/in/peterwaher</uri>
         </author>
+		<revision>
+			<version>0.3</version>
+			<date>2014-08-12</date>
+			<initials>pw</initials>
+			<remark>
+				<p>A sequence number have been added to chunks, to allow chunked service to work over servers that do not maintain message order.</p>
+			</remark>
+		</revision>
 		<revision>
 			<version>0.2</version>
 			<date>2014-07-07</date>
@@ -860,14 +868,14 @@ Host: clayster.com</text>
    
    <message from='httpserver@clayster.com'
             to='httpclient@clayster.com/browser'>
-      <chunk xmlns='urn:xmpp:http' streamid='Stream0001'>iVBORw0KGgoAAAANSUhEUgAAASwAAAGQCAYAA ...</chunk>
+      <chunk xmlns='urn:xmpp:http' streamId='Stream0001' nr='0'>iVBORw0KGgoAAAANSUhEUgAAASwAAAGQCAYAA ...</chunk>
    </message>
    
    ...
    
    <message from='httpserver@clayster.com'
             to='httpclient@clayster.com/browser'>
-      <chunk xmlns='urn:xmpp:http' streamid='Stream0001' last='true'>... 2uPzi9u+tVWJd+e+y1AAAAABJRU5ErkJggg==</chunk>
+      <chunk xmlns='urn:xmpp:http' streamId='Stream0001' nr='5' last='true'>... 2uPzi9u+tVWJd+e+y1AAAAABJRU5ErkJggg==</chunk>
    </message>]]>
                 </example>
                 <p>
@@ -883,7 +891,12 @@ Host: clayster.com</text>
                     and then by the HTTP client who will read the original chunk size elements inserted into the content. More information about HTTP chunking,
                     can be found in <link url='http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.6.1'>RDF2616 §3.6.1</link>.
                 </p>
-            </section3>
+				<p>
+					<strong>Note 3:</strong> In order to work over XMPP servers that do not maintain message order, a <strong>nr</strong> attribute is available on the
+					<strong>chunk</strong> element. The first chunk reports a <strong>nr</strong> of zero. Each succcessive chunk reports a <strong>nr</strong> that is
+					incremented by one. In this way, the receiver can make sure to order incoming chunks in the correct order.
+				</p>
+			</section3>
             <section3 topic='sipub'>
                 <p>
                     Often content being sent can be represented by a file, virtual or real, especially if the content actually represents a file and is not
@@ -1942,6 +1955,7 @@ Host: clayster.com</text>
             <xs:simpleContent>
                 <xs:extension base="xs:base64Binary">
                     <xs:attribute name="streamId" type="xs:string" use="required"/>
+                    <xs:attribute name="nr" type="xs:nonNegativeInteger" use="required"/>
                     <xs:attribute name="last" type="xs:boolean" use="optional" default="false"/>
                 </xs:extension>
             </xs:simpleContent>