http://developers.de/blogs/damir_dobric/archive/2008/02/02/wcf-mtom-binary-data-transmission.aspxSOAP in general supports opaque data as content through the use of either base64 or hexadecimal text encoding. Both these techniques influence the size of the data. For example UTF-8 underlying text encoding and base64 encoding increases the size of theenCommunityServer 2008 SP1 (Build: 30619.63)http://developers.de/blogs/damir_dobric/archive/2008/02/02/wcf-mtom-binary-data-transmission.aspx#312768Tue, 05 Jun 2012 09:25:39 GMT7e491611-45ad-4dae-a68f-c4cb64439510:312768Gaye<p>This has made my day. I wish all psoitgns were this good.</p> <div style="clear:both;"></div><img src="http://developers.de/aggbug.aspx?PostID=312768" width="1" height="1">http://developers.de/blogs/damir_dobric/archive/2008/02/02/wcf-mtom-binary-data-transmission.aspx#1801Fri, 22 Feb 2008 15:59:21 GMT7e491611-45ad-4dae-a68f-c4cb64439510:1801Lanier<p>&quot;</p> <p>Optimization is available only for element content that is in a canonical lexical representation of the xs:base64Binary data type.</p> <p>&quot;</p> <p>What exactly does that mean? That the data has to be divisible by 64 bits? &nbsp;Explain</p> <div style="clear:both;"></div><img src="http://developers.de/aggbug.aspx?PostID=1801" width="1" height="1">