Company Filing History:
19 out of 4,171 
1 out of 2,328 
2 out of 832,880 Years Active: 2003-2011
Title: Innovations by Yunzhou Li: A Leader in Multicast Security Systems
Introduction: Yunzhou Li, based in Lowell, MA, has made significant contributions to the field of networking and security technologies. With a total of 22 patents to his name, Li has consistently pushed the boundaries of innovation in multicast traffic security systems, enhancing the way data is managed across networks.
Latest Patents: Among Yunzhou Li's latest patents is a groundbreaking method for key distribution in a hierarchical multicast traffic security system for an internetwork. This innovation organizes multicast networks into hierarchical security domains, where each domain includes a security broker to effectively distribute group keys and translate multicast data as necessary. A primary security broker at the second level of this system facilitates trust relationships by distributing a top security key to all peer members, including the brokers of lower security domains.
Additionally, his patented method also employs multicast virtual links configured to connect security domain border routers with the security broker, thereby reducing latency in data forwarding. The multicast data is seamlessly forwarded through the security broker, ensuring secure translation. The innovative rekey process utilizes multicasting rekey announcement messages, either regionally or globally, enhancing the robustness of data transmission in a secure multicast environment.
Another significant patent focuses on multicasting data when forwarding information is unknown. This method improves efficiency by storing state information associated with multicast data directly at each line card, negating the need for unnecessary control path forwarding. By evaluating multicast packets to determine their source and group, Li's invention allows for a more dynamic and adaptable approach to data forwarding.
Career Highlights: Yunzhou Li has had a remarkable career with notable contributions to prominent organizations such as Nortel Networks Corporation. His work has played a pivotal role in developing advanced networking technologies that are essential in today's data-driven world.
Collaborations: Throughout his career, Li has collaborated with talented professionals, including Billy C Ng and Shuching Shieh. These partnerships have undoubtedly spurred innovative ideas and solutions in the realms of networking and security.
Conclusion: Yunzhou Li stands as a testament to ingenuity in the field of network security. With his impressive portfolio of patents and collaborative spirit, he continues to impact the industry positively, fostering innovations that shape the future of secure communications.