FIELD: radio engineering, communication.
SUBSTANCE: invention relates to communication systems using a data packet network and is intended to improve efficiency of processing a request over a dynamic host configuration protocol (DHCP). The invention discloses a method and a system for releasing an Internet Protocol (IP) version 4 address using a DHCP release in a proxy mobile IP version 6 (PMIPv6) of a third generation partnership project (3GPP) evolved packet core (EPC). The method includes transmitting a DHCP release request from a serving gateway (SGW) to a packet data network (PDN) GW, transmitting a binding revocation from the PDN GW to the SGW, acknowledging the binding revocation from the SGW to the PDN GW, and deleting the IP version 4 connection for an active PDN connection.
EFFECT: high efficiency of processing a request over a dynamic host configuration protocol (DHCP).
8 cl, 10 dwg
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