US Patent Issued to Ciena on July 1 for "Pointer sharing in QDMA transactions" (Canadian Inventors)

ALEXANDRIA, Va., July 3 -- United States Patent no. 12,346,271, issued on July 1, was assigned to Ciena Corp. (Hanover, Md.).

"Pointer sharing in QDMA transactions" was invented by Kenneth Edward Neudorf (Ottawa) and Alain Robert Trottier (St. Albert, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Queue Direct Memory Access (QDMA) system includes circuitry configured to store N pointers in a contiguous block of memory in the QDMA system, wherein N is an integer greater than 1 and there are N queues in the QDMA system with each pointer of the N pointers being associated with a queue of the N queues, receive a pointer packet from a host device connected to a chip device that includes the QDMA system, ...