U.S. Patent 11212077 was awarded to CISCO TECHNOLOGY, INC. on December 28, 2021 and is entitled “Authentication of messages sent across a network of multiple data centers.” The first named inventor is Xueqiang Ma of Sunnyvale, CA. The abstract contains an overview of the patent disclosure:

The disclosure provides an approach for authenticating the contents of a control message sent between data centers. The data centers are located in a computing system comprising multiple data centers. The computing system has a controller, and each data center has a local controller. The message contents comprise a tree of data objects. The tree is converted to a hash tree, and the root hash of the hash tree is stored on a distributed blockchain. Storage on the distributed blockchain ensures that the root hash is not tampered with by an attacker. The receiver of the message then authenticates that the hash tree has not been modified by comparing various hash values, as described herein. Link to Full Patent

This blockchain patent was originally filed on October 23, 2018  as U.S. Patent Application 16/168208 at the United Stated Patent and Trademark Office. The application was them awarded a patent grant and published as U.S. Patent 11212077. The primary examiner was Khoi V Le.

CISCO TECHNOLOGY, INC., who is the original assignee of this patent, has at least 16856 total granted patents in the United States as of the date of this article. This blockchain patent has been cited 0 times by other U.S. patents according to our law firm research, and can be considered an innovative patent in the field of cryptocurrency and blockchain.

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