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:
Jul. 17, 2018

Filed:

Nov. 21, 2017
Applicant:

Ciena Corporation, Hanover, MD (US);

Inventors:

Jeffrey Scott Moynihan, Cumming, GA (US);

Srinivasa Thirumalasetty, Alpharetta, GA (US);

Assignee:

Ciena Corporation, Hanover, MD (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H04L 29/08 (2006.01); H04L 12/701 (2013.01);
U.S. Cl.
CPC ...
H04L 67/141 (2013.01); H04L 45/00 (2013.01);
Abstract

Systems and methods for service preemption selection in a network include receiving, from an ingress link, a request to establish a service on a path in the network while preempting one or more existing services if required to establish the service, wherein the request comprises a list of any previously selected services for preemption and an indication of whether preemption is required on the ingress link, wherein the service and the one or more existing services comprise an end-to-end path in the network; selecting, if required based on the indication, one or more services for preemption on the ingress link based on service selection criteria; and forwarding the request on an egress link to an adjacent node with any updates based on the selecting.


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