Company Filing History:

6 out of 83

Sonus Networks, Inc.

Ribbon Communications Operating Company, Inc.

Years Active: 2003-2021

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9 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11212333 - Methods and apparatus for synchronizing transcoded and/or transrated RTP packets (2021-12-28),

2. 9571588 - Systems and methods for handling a registration storm (2017-02-14),

3. 9455927 - Methods and apparatus for bandwidth management in a telecommunications system (2016-09-27),

4. 8683053 - Methods and apparatus for establishing secure communications between client computing devices that use transport and security protocols (2014-03-25),

5. 8015268 - Methods, systems, and computer readable media for synchronizing device state (2011-09-06),

6. 7940657 - Identifying attackers on a network (2011-05-10),

7. 7804774 - Scalable filtering and policing mechanism for protecting user traffic in a network (2010-09-28),

8. 7672336 - Filtering and policing for defending against denial of service attacks on a network (2010-03-02),

9. 6594704 - Method of managing and using multiple virtual private networks in a router with a single routing table (2003-07-15),

Title: Mark Duffy: Innovator in Packet Stream Synchronization

Introduction

Mark Duffy is a prominent inventor based in Lexington, MA (US), known for his contributions to the field of telecommunications and data transmission. With a total of 9 patents to his name, Duffy has made significant advancements in methods and systems for synchronizing packet streams, particularly in the context of Real-time Transport Protocol (RTP) packets.

Latest Patents

Duffy's latest patents include "Methods and apparatus for synchronizing transcoded and/or transrated RTP packets." This invention focuses on the synchronization of transcoded RTP packet streams that carry audio and video data. The patent describes a packet processing device that generates a second RTP packet stream from a first RTP packet stream, ensuring that the timestamps of the packets are appropriately managed. Another notable patent is "Systems and methods for handling a registration storm," which outlines innovative approaches for user device registration during mass-restart scenarios. This system enhances the efficiency of edge devices in managing user registrations.

Career Highlights

Throughout his career, Mark Duffy has worked with notable companies such as Sonus Networks, Inc. and Quarry Technologies. His experience in these organizations has allowed him to develop and refine his expertise in telecommunications and data processing technologies.

Collaborations

Duffy has collaborated with talented individuals in his field, including Shiping Li and Tolga Asveren. These partnerships have contributed to the development of his innovative patents and have fostered a collaborative environment for technological advancement.

Conclusion

Mark Duffy's work in packet stream synchronization and user device registration showcases his innovative spirit and dedication to improving telecommunications technology. His contributions continue to influence the industry and pave the way for future advancements.

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