METHOD AND SYSTEM FOR HANDLING A DYNAMIC HOST CONFIGURATION PROTOCOL INTERNET PROTOCOL VERSION 4 ADDRESS RELEASE

摘要

PURPOSE: A method for treating DHCP(Dynamic Host Configuration Protocol) IPv4(Internet Protocol version 4) address clear request is provided to effectively treat the request. CONSTITUTION: A method for treating DHCP(Dynamic Host Configuration Protocol) IPv4(Internet Protocol version 4) address clear request comprises: a step of transferring DHCP clear request to PDN gateway by a serving gateway(210); a step of transferring binding revocation massage or PDN disconnection message to the serving gateway by PDN gateway(215); a step of confirming the binding clear message or PDN disconnection message to the PDN gateway(220); and a step of deleting IPv4 connection to activated PDN connection by serving gateway(225).