A network relaying apparatus and method for high quality transfer of packets under stable quality-of-service (QoS) control. A transfer engine stores the packets received through a network interface, in a packet buffer, and the header information in a RAM. A search engine searches the transfer control...http://www.google.de/patents/US6671277?utm_source=gb-gplus-sharePatent US6671277 - Network relaying apparatus and network relaying method capable of high quality transfer of packets under stable service quality control