A pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term evolution (LTE) is provided. A method of a receiver is provided. The method includes receiving packets to which a single SN is allocated, starting a reordering timer if there is a non-received packet, and requesting a retransmission of the non-received packet among the packets transmitted from a transmitter based on a received record message, if the reordering timer expires.