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.
Patent No.:
Date of Patent:
Feb. 04, 2020
Filed:
Jul. 31, 2017
International Business Machines Corporation, Armonk, NY (US);
Colin R. Devilbiss, Byron, MN (US);
Charles S. Graham, Rochester, MN (US);
James B. Cunningham, Austin, TX (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
The present invention provides computer implemented method, system, and computer program product of switching servers without interrupting a client command-response queue. In an embodiment, the present invention includes selecting standby computer server systems, connecting a CRQ of a client computer system to a previous active computer server system and to the selected standby computer server systems, transmitting setup commands to the selected standby computer server systems, communicating data with the previous active computer server system via at least one sub-CRQ, communicating management commands with the previous active computer server system and the selected standby computer server systems via the CRQ, receiving a notification that a switchover has occurred, redirecting the CRQ to one of the selected standby computer server systems, in response to the redirecting, communicating data with a new active computer server system via at least one sub-CRQ, and sending new setup commands to the new computer server system.