David J Ruffen

Title: David J Ruffen: Innovator in Connection-Oriented Services

Introduction

David J Ruffen is an accomplished inventor based in Salem, NH (US). He has made significant contributions to the field of data communications through his innovative patent. His work focuses on enhancing the efficiency and reliability of packet-switched data networks.

Latest Patents

David J Ruffen holds a patent for "Distributed connection-oriented services for switched communications." This patent describes a method and apparatus that provides connection-oriented services for packet-switched data communications networks. The invention includes features such as distributed discovery of MAC addresses and protocol alias addresses. It also encompasses topology services that facilitate a link state topology exchange among switches, allowing each switch to maintain a complete topology graph of the network. This capability enables access switches to determine a complete path from a source end system to a destination end system. Additionally, the patent addresses the resolution of broadcast frames to unicast frames, thereby reducing broadcast traffic. Policy restrictions can be applied prior to connection setup, and path determination services allow for multiple paths from a source to a destination. Connection management includes source routed mapping of connections on the desired path. Furthermore, the invention provides a distributed call rerouting service that responds to link failures, ensuring network reliability.

Career Highlights

David J Ruffen is associated with Cabletron Systems, Inc., where he has contributed to the development of advanced networking technologies. His expertise in connection-oriented services has positioned him as a key player in the field of data communications.

Collaborations

Throughout his career, David has collaborated with notable colleagues, including Kurt A Dobbins and Thomas A Grant. These partnerships have fostered innovation and the advancement of networking solutions.

Conclusion

David J Ruffen's contributions to connection-oriented services have significantly impacted the field of data communications. His innovative patent showcases his dedication to improving network efficiency and reliability.