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Recently, technology of appliances being networked together in the home has been deployed. To connect the Internet with the home, a home gateway plays an important role in a home network. However, to be more comfortable in the environment of living for the home by networked appliances and by controlling them, services such as quality of service (for short, QoS) supported applications, remote control of appliances, and safety/security of the home network still have not been realized enough. In such services, especially, the home gateway for QoS control needs to deal with real-time data in applications. In this paper, a packet-classifier algorithm for QoS control in the home gateway is proposed and its performance is evaluated. The proposed method is forwarded a real-time packet precedent. The feature of the proposed method is a simple and deterministic process for packets such as a round-robin manner. Simulation studies show that the proposed method can balance the process of the packets compared with the algorithm without QoS.