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. 21, 2023

Filed:

Dec. 20, 2021
Applicant:

Juniper Networks, Inc., Sunnyvale, CA (US);

Inventors:

Tarek Saad, Ottawa, CA;

Raveendra Torvi, Nashua, NH (US);

Vishnu Pavan Kumar Beeram, Ashburn, VA (US);

Jonathan C. Barth, Collegeville, PA (US);

Assignee:

Juniper Networks, Inc., Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 45/24 (2022.01); H04L 45/02 (2022.01); H04L 45/12 (2022.01); H04L 43/0882 (2022.01);
U.S. Cl.
CPC ...
H04L 45/24 (2013.01); H04L 43/0882 (2013.01); H04L 45/02 (2013.01); H04L 45/04 (2013.01); H04L 45/123 (2013.01);
Abstract

An example network element includes one or more interfaces and a control unit, the control unit includes one or more processors configured to determine an egress network domain identifier (ID) and determine an abstracted interdomain network topology. The one or more processors are also configured to determine one or more interdomain paths from an abstracted ingress domain node to an abstracted egress domain node and determine whether an abstracted domain node is on the one or more interdomain paths. The one or more processors are configured to, based on the abstracted domain node being on the one or more interdomain paths, include one or more resources within a network domain in a filtered traffic engineering database (TED) and compute a path from an ingress node within the ingress network domain to an egress node within the egress network domain based on the filtered TED.


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