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:
Jun. 13, 2022
Filed:
Mar. 09, 2017
Applicant:
Futurewei Technologies, Inc., Plano, TX (US);
Inventors:
Renwei Li, Fremont, CA (US);
Huaimo Chen, Bolton, MA (US);
Assignee:
Futurewei Technologies, Inc., Plano, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2005.12); H04L 12/751 (2012.12); H04L 45/02 (2021.12);
U.S. Cl.
CPC ...
H04L 45/025 (2012.12);
Abstract
An autonomous system (AS) comprising a topology transparent zone (TTZ) comprising a plurality of TTZ nodes, wherein the plurality of TTZ nodes includes an edge node and an internal node, wherein each of the plurality of TTZ nodes is configured to connect to another TTZ node via an internal link, and a plurality of neighboring external nodes connected to the TTZ edge nodes via a plurality of external links, wherein no link state advertisements (LSAs) describing the internal links are distributed to the neighboring external nodes.