Method for realizing resource attribute notification, and common service entity

A common service entity, comprising:

• a request receiving module arranged to:
• receive a resource update request, wherein the resource update request contains an original resource address parameter and a parameter of an attribute able to be notified;
• and
• an attribute notification processing module arranged to:
• find a corresponding original resource and an attribute thereof created locally according to the original resource address parameter, and when it is judged that the parameter of an attribute able to be notified contains an attribute name of an attribute able to be notified, and the original resource has been notified to a remote CSE, but the original resource has not created an attribute of “an attribute that has been notified”, sending the resource update request to the remote CSE and carrying a notification resource address of the original resource on the remote CSE, the attribute name of the attribute able to be notified, and the attribute value stored locally.

A common service entity, comprising:

• a request receiving module arranged to:
• receive a resource update request, wherein the resource update request contains a notification resource address parameter and an attribute name and an attribute value of an attribute able to be notified;
• and
• an attribute creation and deletion processing module arranged to:
• find a corresponding notification resource created locally according to the notification resource address parameter, when it is judged that the resource update request contains an attribute name of an attribute able to be notified and a non-null attribute value and the notification resource has not created an attribute corresponding to the attribute able to be notified, create the attribute corresponding to the attribute able to be notified for the notification resource, and feed back to the sender of the resource update request a response for indicating successful creation of the attribute after the successful creation.