Affects Version/s: 1.8
Fix Version/s: None
Environment:Operating System: All
Although the standard way to perform server communication in SVG seems to be using getURL/postURL (standardized in SVG Tiny 1.2 ), Batik already supports a number of extensions  so the question is... Why not?
Cameron has stated that a half-baked implementation was underway ; also, within the same thread, there's a hints towards the possibility of using Apache CXF technology.
Yesterday, I found a script implementation  (part of scripting, for which there's a separate issue, BATIK-856), which might be possible to integrate with little effort. I've also found another script implementation , part of jQuery.