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. 24, 2015

Filed:

Mar. 28, 2012
Applicants:

Teresa Tung, San Jose, CA (US);

Shaw-yi Chaw, San Jose, CA (US);

Qing Xie, Chicago, IL (US);

Qian Zhu, San Jose, CA (US);

Inventors:

Teresa Tung, San Jose, CA (US);

Shaw-Yi Chaw, San Jose, CA (US);

Qing Xie, Chicago, IL (US);

Qian Zhu, San Jose, CA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/173 (2006.01); G06F 9/50 (2006.01); H04L 29/08 (2006.01);
U.S. Cl.
CPC ...
G06F 9/5072 (2013.01); H04L 67/322 (2013.01); G06F 2209/5021 (2013.01);
Abstract

The differentiated service-based graceful degradation layer (DSGDL) allows cloud-based architectures to operate through and recover from periods of limited capability. The DSGDL protects and continues serving higher priority requests with the best possible response even as the underlying cloud-based services deteriorate. The DSGDL offloads lower priority requests to lower-grade secondary capability that can be dynamically provisioned in order to reserve the best capability for maintaining high priority service (e.g., by re-directing lower priority requests to a slightly out-of-date cached dataset, and reserve the primary consistent database for higher priority requests). The DSGDL 1) implements an overlay network over existing cloud services to route and enforce priority requests, and 2) provisions on-demand computing nodes and sites to provide secondary capability for service requests as needed.


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