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:
May. 29, 2018

Filed:

Jun. 06, 2016
Applicant:

Bull Sas, Les Clayes Sous Bois, FR;

Inventors:

Jean-noel Quintin, Bourg la Reine, FR;

Alain Cady, Limours en Hurepoix, FR;

Assignee:

BULL SAS, Les Clayes-Sous-Bois, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/28 (2006.01); H04L 12/755 (2013.01); H04L 12/931 (2013.01); H04L 12/933 (2013.01);
U.S. Cl.
CPC ...
H04L 45/021 (2013.01); H04L 49/15 (2013.01); H04L 49/70 (2013.01);
Abstract

A method of extracting, from a physical topology, a virtual topology, the physical network topology including a plurality of switches connected to each other by their ports. The method includes the following steps: distribution of the leaf switches into sub-topologies according to the characteristics of the target topology, the sub-topologies being included in the virtual topology; inclusion of the neighboring switches connected only to the switches of a same sub-topology to the sub-topology; splitting of neighboring switches connected to a first sub-topology and to a second sub-topology into two virtual switches, the first virtual switch having the ports of the neighboring switch by which it is connected to the first sub-topology, the second virtual switch having the ports of the neighboring switch by which it is connected to the second sub-topology.


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