Doug J Tucker

Title: The Innovations of Doug J Tucker

Introduction

Doug J Tucker is a notable inventor based in Northboro, MA (US). He has made significant contributions to the field of computer systems, holding a total of 3 patents. His work focuses on enhancing the efficiency and performance of multiprocessor architectures.

Latest Patents

Among his latest patents is a high availability computer system and methods related thereto. This invention includes a bus arbitration system for multiprocessor architecture. Additionally, he developed a very fast, memory-efficient, highly expandable, and highly efficient Cache Coherent Non-Uniform Memory Access (CCNUMA) processing system. This system is based on a hardware architecture that minimizes system bus contention, maximizes processing forward progress by maintaining strong ordering, and avoids retries. It implements a full-map directory structure cache coherency protocol. The CCNUMA architecture comprises a plurality of integrated modules, each consisting of a motherboard and two daughterboards. Each daughterboard contains two Job Processors (JPs), cache memory, and input/output (I/O) capabilities. The motherboard includes main memory, a memory controller, and directory DRAMs for cache coherency. It also features integrated I/O capabilities, including two Small Computer System Interfaces (SCSI) and one Local Area Network (LAN) interface. A crossbar switch connects the various logic blocks together, ensuring efficient communication within the system.

Career Highlights

Doug J Tucker has worked at Data General Corporation, where he has been able to apply his innovative ideas and technical expertise. His contributions have played a crucial role in advancing computer system technologies.

Collaborations

Throughout his career, Doug has collaborated with notable colleagues such as William F Baxter and Robert G Gelinas. These partnerships have further enriched his work and led to the development of groundbreaking technologies.

Conclusion

Doug J Tucker's innovative contributions to computer systems have significantly impacted the field. His patents reflect a deep understanding of technology and a commitment to enhancing system performance.