The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 26, 2019

Filed:

Oct. 30, 2014
Applicant:

Hitachi, Ltd., Tokyo, JP;

Inventor:

Ryozo Yamashita, Tokyo, JP;

Assignee:

HITACHI, LTD., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/167 (2006.01);
U.S. Cl.
CPC ...
G06F 15/167 (2013.01);
Abstract

In a distributed computing system, a master transmits a prepare request including a proposal number to a slave. When the proposal number included in the prepare request does not exist in management information, the slave sends back a prepare response including a new identifier associated with the proposal number to the master. The master transmits a write request including the identifier and a proposal to the slave. The slave writes the proposal into a memory area associated with the identifier included in the write request received from the master and, when writing is a success, sends back a write success response. The master determines that the slave having sent back the write success response has consented to the proposal.


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