4. The method according to claim 1 , wherein the access permission information comprises an identity identifier, an action field and an operation type field; and the process of determining whether to perform an operation described in the XML document management operation request in accordance with access permission information corresponding to an XML document comprises: determining whether to perform the operation requested by the XDMC in accordance with the action field and the operation type field corresponding to the identity identifier of the XDMC sending the XML document management operation request, wherein the action field and the operation type field are obtained from the access permission information.
1. An Extensible Markup Language (XML) document management method, comprising: receiving an XML document management operation request sent via an XML Configuration Access Protocol (XCAP) protocol by an XML Document Management Server (XDMS); determining that the XML document management operation request is in an entrustment mode, by an XDMS, wherein the entrustment mode allows a client to entrust its management operation on an XML document to another client; and determining whether to perform an operation described in the XML document management operation request in accordance with access permission information corresponding to an XML document, by the XDMS, wherein the process of determining that the XML document management operation request is in an entrustment mode comprises: obtaining an identity identifier of an XML Document Management Client (XDMC) sending the XML document management operation request and the identity identifier of the owner of the XML document, in accordance with the XML document management operation request, by the XDMS; determining that the identity identifier of the XDMC sending the XML document management operation request does not match the identity identifier of the owner of the XML document, by the XDMS.