a flag set indicating a node that accepted the corresponding resolve request if the path is now empty the corresponding resolve originated locally pnrp does an identity validation check on the bestmatch if the identity validation check succeeds the bestmatch is passed up to the request manager else a failure indication is passed up if the path is empty processing is complete if the path is not empty the node forwards the response packet to the endmost entry in the path list a need for a pnrp address certificate revocation exists whenever the published address certificate becomes invalid prior to the certificate expiration date validity to field examples of such events are when a node is gracefully disconnecting from the p2p network or when a node is leaving a group etc the revocation mechanism of the present invention utilizes the publishing of a revocation certificate a revocation certificate has the revoke flag set and the from date of the validity field set to the current time or the time at which the certificate is to become revoked and the to field set to the same value as the previously advertised certificates all the certificates for which all the following conditions are met are considered to be revoked the certificate is signed by the same issuer the id matches the id in the revocation certificate the address fields match the ones in the revocation certificate the to date of the validation field is the same as the to date of the validation filed in the revocation certificate and the from date of the validation field precedes the from date of the validation filed in the revocation certificate since the.