Daogui Liu

Title: Daogui Liu: Innovator in Multicast Data Packet Forwarding

Introduction

Daogui Liu is a prominent inventor based in Beijing, China. He has made significant contributions to the field of data packet forwarding, holding a total of 3 patents. His work focuses on enhancing the efficiency and functionality of network systems.

Latest Patents

One of Liu's latest patents is titled "Forwarding Multicast Data Packet." This invention provides a method, device, and system for forwarding multicast data packets. The system consists of an extended bridge constructed by a controlling bridge and a port extender. The controlling bridge transmits a multicast data packet with an ETAG that includes a multicast ECID via a cascade port. This multicast ECID directs the packet to egress ports in different VLANs of the multicast group on the port extender. The port extender receives the packet, searches for multicast duplication information, duplicates the packet for each egress port, and transmits the modified packets accordingly.

Another notable patent is "Setting Link Aggregation Group." In this invention, the controlling bridge associates an aggregation port of a link aggregation group with multiple extended ports connecting to the same terminal on the port extender. It assigns an aggregation port identifier to the aggregation port and associates it with the extended ports and a cascaded port. This innovation allows for efficient management of downstream unicast packets.

Career Highlights

Daogui Liu has worked with reputable companies such as New H3C Technologies Co., Ltd. and Hangzhou H3C Technologies Co., Ltd. His experience in these organizations has contributed to his expertise in network technologies and data packet management.

Collaborations

Throughout his career, Liu has collaborated with notable colleagues, including Zhenglin Qi and Yihong Xiu. These partnerships have likely fostered innovation and development in their respective fields.

Conclusion

Daogui Liu is a distinguished inventor whose work in multicast data packet forwarding has made a significant impact on network technology. His patents reflect a commitment to improving data transmission efficiency and functionality.